/* ==========================================================================
   QR Studio design system
   Tokens first, then layout shell, components, and page specific pieces.
   Bootstrap 5 provides the grid, modal and dropdown behaviour; everything
   visual below overrides it with one consistent set of tokens.
   ========================================================================== */

:root {
    /* Type */
    --font-sans: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    --font-mono: ui-monospace, "SFMono-Regular", "Cascadia Mono", Consolas, monospace;
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 0.9375rem;
    --text-lg: 1.125rem;
    --text-xl: 1.375rem;
    --text-2xl: 1.75rem;

    /* Spacing (4px base) */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;

    /* Radii */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;

    /* Neutrals */
    --gray-1: #fcfcfd;
    --gray-2: #f8f9fb;
    --gray-3: #f1f3f6;
    --gray-4: #e9ecf1;
    --gray-5: #e1e5eb;
    --gray-6: #d5dae2;
    --gray-8: #b4bcc8;
    --gray-9: #8a93a1;
    --gray-10: #6b7483;
    --gray-11: #535b69;
    --gray-12: #151922;

    /* Accent */
    --accent-2: #f5f5ff;
    --accent-3: #eceefe;
    --accent-4: #dfe2fd;
    --accent-6: #c3c8fa;
    --accent-9: #4f46e5;
    --accent-10: #4338ca;
    --accent-11: #3f37b8;
    --accent-contrast: #ffffff;

    /* Semantic */
    --success-3: #e8f7ee;
    --success-9: #16a34a;
    --success-11: #15803d;
    --warning-3: #fff5e0;
    --warning-11: #a35c00;
    --danger-3: #fdeceb;
    --danger-9: #dc2626;
    --danger-10: #c81e1e;
    --danger-11: #b42318;

    /* Elevation */
    --shadow-xs: 0 1px 2px rgba(16, 24, 40, 0.05);
    --shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.04), 0 1px 3px rgba(16, 24, 40, 0.06);
    --shadow-md: 0 2px 4px rgba(16, 24, 40, 0.04), 0 4px 12px rgba(16, 24, 40, 0.08);
    --shadow-lg: 0 4px 8px rgba(16, 24, 40, 0.04), 0 12px 32px rgba(16, 24, 40, 0.12);
    --shadow-xl: 0 8px 16px rgba(16, 24, 40, 0.06), 0 24px 48px rgba(16, 24, 40, 0.16);
    --focus-ring: 0 0 0 3px rgba(79, 70, 229, 0.28);

    --sidebar-width: 256px;
    --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
}

/* ---------- Base ---------- */

html, body {
    height: 100%;
}

body {
    margin: 0;
    font-family: var(--font-sans);
    font-size: var(--text-base);
    line-height: 1.55;
    color: var(--gray-12);
    background: var(--gray-2);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-feature-settings: "cv11", "ss01";
}

h1, h2, h3, h4, h5, h6 {
    color: var(--gray-12);
    line-height: 1.2;
    letter-spacing: -0.015em;
    font-weight: 600;
    margin: 0;
}

a {
    color: var(--accent-9);
    text-decoration: none;
}

    a:hover {
        color: var(--accent-10);
    }

code, .mono {
    font-family: var(--font-mono);
    font-size: 0.92em;
}

.tabular {
    font-variant-numeric: tabular-nums;
}

.text-muted-2 {
    color: var(--gray-10) !important;
}

.visually-hidden-focusable:focus {
    position: fixed;
    top: var(--space-2);
    left: var(--space-2);
    z-index: 2000;
}

:focus-visible {
    outline: none;
    box-shadow: var(--focus-ring);
}

.icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    stroke: currentColor;
    fill: none;
    stroke-width: 1.9;
    stroke-linecap: round;
    stroke-linejoin: round;
    vertical-align: middle;
}

.icon-sm {
    width: 16px;
    height: 16px;
}

.icon-lg {
    width: 22px;
    height: 22px;
}

/* ---------- App shell ---------- */

.app-shell {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    width: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    background: #ffffff;
    border-right: 1px solid var(--gray-4);
    padding: var(--space-5) var(--space-4);
    z-index: 1030;
    transition: transform 240ms var(--ease-out);
}

.brand {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: 0 var(--space-2) var(--space-6);
    color: var(--gray-12);
}

    .brand:hover {
        color: var(--gray-12);
    }

.brand-mark {
    display: grid;
    place-items: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, #6366f1 0%, #4338ca 100%);
    color: #fff;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.18), var(--shadow-sm);
}

.brand-name {
    font-weight: 650;
    font-size: 1rem;
    letter-spacing: -0.01em;
    line-height: 1.1;
}

.brand-sub {
    display: block;
    font-size: var(--text-xs);
    font-weight: 500;
    color: var(--gray-9);
    letter-spacing: 0;
}

.nav-label {
    padding: 0 var(--space-3);
    margin: var(--space-2) 0 var(--space-2);
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--gray-9);
}

.side-nav {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 2px;
}

.side-link {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: 0.5625rem var(--space-3);
    border-radius: var(--radius-md);
    color: var(--gray-11);
    font-size: var(--text-sm);
    font-weight: 500;
    transition: background-color 150ms ease, color 150ms ease;
}

    .side-link:hover {
        background: var(--gray-3);
        color: var(--gray-12);
    }

    .side-link.active {
        background: var(--accent-3);
        color: var(--accent-11);
    }

        .side-link.active .icon {
            color: var(--accent-9);
        }

.sidebar-footer {
    margin-top: auto;
    border-top: 1px solid var(--gray-4);
    padding-top: var(--space-4);
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.avatar {
    display: grid;
    place-items: center;
    width: 34px;
    height: 34px;
    border-radius: var(--radius-full);
    background: var(--accent-3);
    color: var(--accent-11);
    font-size: var(--text-xs);
    font-weight: 600;
    flex-shrink: 0;
}

.user-meta {
    min-width: 0;
    flex: 1;
}

.user-name {
    font-size: var(--text-sm);
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-email {
    font-size: var(--text-xs);
    color: var(--gray-9);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.main {
    flex: 1;
    min-width: 0;
    margin-left: var(--sidebar-width);
}

.topbar-mobile {
    display: none;
}

.page {
    max-width: 1240px;
    margin: 0 auto;
    padding: var(--space-8) var(--space-8) var(--space-12);
}

.page-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: var(--space-4);
    flex-wrap: wrap;
    margin-bottom: var(--space-6);
}

.page-title {
    font-size: var(--text-2xl);
    font-weight: 650;
    letter-spacing: -0.022em;
}

.page-subtitle {
    margin: var(--space-1) 0 0;
    color: var(--gray-10);
    font-size: var(--text-sm);
    max-width: 65ch;
}

.breadcrumb-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    font-size: var(--text-sm);
    color: var(--gray-10);
    font-weight: 500;
    margin-bottom: var(--space-2);
}

    .breadcrumb-link:hover {
        color: var(--gray-12);
    }

@media (max-width: 991.98px) {
    .sidebar {
        transform: translateX(-100%);
        box-shadow: var(--shadow-xl);
    }

    .sidebar-open .sidebar {
        transform: translateX(0);
    }

    .sidebar-backdrop {
        position: fixed;
        inset: 0;
        background: rgba(21, 25, 34, 0.4);
        z-index: 1025;
        opacity: 0;
        pointer-events: none;
        transition: opacity 200ms ease;
    }

    .sidebar-open .sidebar-backdrop {
        opacity: 1;
        pointer-events: auto;
    }

    .main {
        margin-left: 0;
    }

    .topbar-mobile {
        display: flex;
        align-items: center;
        justify-content: space-between;
        position: sticky;
        top: 0;
        z-index: 1020;
        padding: var(--space-3) var(--space-4);
        background: rgba(255, 255, 255, 0.92);
        backdrop-filter: blur(8px);
        border-bottom: 1px solid var(--gray-4);
    }

    .page {
        padding: var(--space-6) var(--space-4) var(--space-10);
    }
}

/* ---------- Buttons ---------- */

.btn {
    --bs-btn-font-weight: 500;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    height: 38px;
    padding: 0 var(--space-4);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    font-weight: 500;
    line-height: 1;
    white-space: nowrap;
    transition: background-color 150ms ease, border-color 150ms ease, color 150ms ease, box-shadow 150ms ease, transform 100ms ease;
}

    .btn:active {
        transform: scale(0.98);
    }

    .btn:focus-visible {
        box-shadow: var(--focus-ring);
    }

    .btn:disabled, .btn.disabled {
        opacity: 0.55;
        pointer-events: none;
    }

.btn-sm {
    height: 32px;
    padding: 0 var(--space-3);
    font-size: 0.8125rem;
}

.btn-lg {
    height: 44px;
    padding: 0 var(--space-5);
    font-size: var(--text-base);
}

.btn-primary {
    background: var(--accent-9);
    border: 1px solid var(--accent-10);
    color: var(--accent-contrast);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.14), var(--shadow-xs);
}

    .btn-primary:hover, .btn-primary:focus {
        background: var(--accent-10);
        border-color: var(--accent-11);
        color: var(--accent-contrast);
    }

    .btn-primary:active, .btn-primary.active {
        background: var(--accent-11) !important;
        border-color: var(--accent-11) !important;
    }

.btn-secondary {
    background: #fff;
    border: 1px solid var(--gray-5);
    color: var(--gray-12);
    box-shadow: var(--shadow-xs);
}

    .btn-secondary:hover, .btn-secondary:focus {
        background: var(--gray-2);
        border-color: var(--gray-6);
        color: var(--gray-12);
    }

    .btn-secondary:active {
        background: var(--gray-3) !important;
        border-color: var(--gray-6) !important;
        color: var(--gray-12) !important;
    }

.btn-ghost {
    background: transparent;
    border: 1px solid transparent;
    color: var(--gray-11);
}

    .btn-ghost:hover, .btn-ghost:focus {
        background: var(--gray-3);
        color: var(--gray-12);
    }

.btn-danger {
    background: var(--danger-9);
    border: 1px solid var(--danger-10);
    color: #fff;
}

    .btn-danger:hover, .btn-danger:focus {
        background: var(--danger-10);
        color: #fff;
    }

.btn-icon {
    width: 34px;
    height: 34px;
    padding: 0;
    border-radius: var(--radius-md);
}

.btn .spinner {
    width: 14px;
    height: 14px;
    border: 2px solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: spin 700ms linear infinite;
    display: none;
}

.btn.is-loading .spinner {
    display: inline-block;
}

.btn.is-loading {
    pointer-events: none;
    opacity: 0.85;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ---------- Forms ---------- */

.form-label {
    display: block;
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--gray-12);
    margin-bottom: var(--space-2);
}

.form-hint {
    font-size: var(--text-xs);
    color: var(--gray-10);
    margin-top: var(--space-2);
}

.form-control, .form-select {
    min-height: 40px;
    padding: 0.5rem 0.75rem;
    font-size: var(--text-sm);
    color: var(--gray-12);
    background-color: #fff;
    border: 1px solid var(--gray-5);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xs);
    transition: border-color 150ms ease, box-shadow 150ms ease;
}

    .form-control::placeholder {
        color: var(--gray-9);
    }

    .form-control:hover, .form-select:hover {
        border-color: var(--gray-6);
    }

    .form-control:focus, .form-select:focus {
        border-color: var(--accent-9);
        box-shadow: var(--focus-ring);
    }

    .form-control.is-invalid, .form-select.is-invalid {
        border-color: var(--danger-9);
        background-image: none;
        padding-right: 0.75rem;
    }

        .form-control.is-invalid:focus {
            box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.2);
        }

textarea.form-control {
    min-height: 96px;
    resize: vertical;
}

.field-error {
    display: none;
    font-size: var(--text-xs);
    color: var(--danger-11);
    margin-top: var(--space-2);
    font-weight: 500;
}

    .field-error.show {
        display: block;
    }

.input-group-joined {
    display: flex;
    align-items: stretch;
    border: 1px solid var(--gray-5);
    border-radius: var(--radius-md);
    background: #fff;
    box-shadow: var(--shadow-xs);
    transition: border-color 150ms ease, box-shadow 150ms ease;
    overflow: hidden;
}

    .input-group-joined:focus-within {
        border-color: var(--accent-9);
        box-shadow: var(--focus-ring);
    }

    .input-group-joined.is-invalid {
        border-color: var(--danger-9);
    }

    .input-group-joined .prefix {
        display: flex;
        align-items: center;
        padding: 0 var(--space-3);
        background: var(--gray-2);
        border-right: 1px solid var(--gray-4);
        color: var(--gray-10);
        font-size: var(--text-sm);
        white-space: nowrap;
        max-width: 55%;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .input-group-joined input {
        flex: 1;
        min-width: 0;
        border: 0;
        outline: 0;
        padding: 0 var(--space-3);
        min-height: 38px;
        font-size: var(--text-sm);
        font-family: var(--font-mono);
        background: transparent;
        color: var(--gray-12);
    }

    .input-group-joined .suffix {
        display: flex;
        align-items: center;
        padding: 0 var(--space-1);
    }

.slug-status {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    font-size: var(--text-xs);
    font-weight: 500;
    margin-top: var(--space-2);
    min-height: 18px;
    color: var(--gray-10);
}

    .slug-status.ok {
        color: var(--success-11);
    }

    .slug-status.bad {
        color: var(--danger-11);
    }

.form-check-input {
    width: 1.05rem;
    height: 1.05rem;
    border-color: var(--gray-6);
    margin-top: 0.2rem;
}

    .form-check-input:checked {
        background-color: var(--accent-9);
        border-color: var(--accent-9);
    }

    .form-check-input:focus {
        box-shadow: var(--focus-ring);
        border-color: var(--accent-9);
    }

.form-switch .form-check-input {
    width: 2.25rem;
    height: 1.25rem;
    margin-top: 0.1rem;
}

.form-check-label {
    font-size: var(--text-sm);
    color: var(--gray-11);
}

/* Segmented control */
.segmented {
    display: inline-grid;
    grid-auto-flow: column;
    grid-auto-columns: 1fr;
    gap: 2px;
    padding: 3px;
    background: var(--gray-3);
    border-radius: var(--radius-md);
    width: 100%;
}

    .segmented input {
        position: absolute;
        opacity: 0;
        pointer-events: none;
    }

    .segmented label {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: var(--space-2);
        min-height: 36px;
        padding: 0 var(--space-3);
        border-radius: calc(var(--radius-md) - 2px);
        font-size: var(--text-sm);
        font-weight: 500;
        color: var(--gray-10);
        cursor: pointer;
        transition: background-color 150ms ease, color 150ms ease, box-shadow 150ms ease;
        user-select: none;
    }

        .segmented label:hover {
            color: var(--gray-12);
        }

    .segmented input:checked + label {
        background: #fff;
        color: var(--gray-12);
        box-shadow: var(--shadow-sm);
    }

    .segmented input:focus-visible + label {
        box-shadow: var(--focus-ring);
    }

/* ---------- Surfaces ---------- */

.card-surface {
    background: #fff;
    border: 1px solid var(--gray-4);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.card-header-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-5);
    border-bottom: 1px solid var(--gray-4);
}

.card-title {
    font-size: var(--text-base);
    font-weight: 600;
}

.card-body-pad {
    padding: var(--space-5);
}

/* Stat tiles */
.stats {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--space-4);
    margin-bottom: var(--space-6);
}

@media (max-width: 991.98px) {
    .stats {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

.stat {
    padding: var(--space-4) var(--space-5);
}

.stat-label {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-xs);
    font-weight: 500;
    color: var(--gray-10);
}

    .stat-label .icon {
        width: 15px;
        height: 15px;
        color: var(--gray-9);
    }

.stat-value {
    margin-top: var(--space-2);
    font-size: 1.625rem;
    font-weight: 650;
    letter-spacing: -0.02em;
    line-height: 1.1;
    font-variant-numeric: tabular-nums;
    color: var(--gray-12);
}

/* Toolbar */
.toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    flex-wrap: wrap;
    padding: var(--space-3) var(--space-4);
    border-bottom: 1px solid var(--gray-4);
}

.search {
    position: relative;
    flex: 1;
    max-width: 360px;
    min-width: 200px;
}

    .search .icon {
        position: absolute;
        left: 11px;
        top: 50%;
        transform: translateY(-50%);
        color: var(--gray-9);
        pointer-events: none;
    }

    .search .form-control {
        padding-left: 36px;
        min-height: 36px;
    }

.filter-pills {
    display: flex;
    gap: var(--space-1);
    flex-wrap: wrap;
}

.filter-pill {
    display: inline-flex;
    align-items: center;
    height: 30px;
    padding: 0 var(--space-3);
    border-radius: var(--radius-full);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--gray-11);
    border: 1px solid transparent;
    transition: background-color 150ms ease, color 150ms ease;
}

    .filter-pill:hover {
        background: var(--gray-3);
        color: var(--gray-12);
    }

    .filter-pill.active {
        background: var(--gray-12);
        color: #fff;
    }

/* ---------- Tables ---------- */

.data-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    font-size: var(--text-sm);
}

    .data-table th {
        position: sticky;
        top: 0;
        padding: var(--space-3) var(--space-4);
        background: var(--gray-2);
        border-bottom: 1px solid var(--gray-4);
        font-size: var(--text-xs);
        font-weight: 600;
        color: var(--gray-10);
        text-align: left;
        white-space: nowrap;
    }

    .data-table td {
        padding: var(--space-3) var(--space-4);
        border-bottom: 1px solid var(--gray-3);
        vertical-align: middle;
        color: var(--gray-11);
    }

    .data-table tbody tr {
        transition: background-color 120ms ease;
    }

        .data-table tbody tr:hover {
            background: var(--gray-2);
        }

        .data-table tbody tr:last-child td {
            border-bottom: 0;
        }

    .data-table .num {
        text-align: right;
        font-variant-numeric: tabular-nums;
    }

.table-scroll {
    overflow-x: auto;
}

.cell-primary {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    min-width: 240px;
}

.cell-title {
    font-weight: 600;
    color: var(--gray-12);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 280px;
}

    .cell-title a {
        color: inherit;
    }

        .cell-title a:hover {
            color: var(--accent-10);
        }

.cell-sub {
    font-size: var(--text-xs);
    color: var(--gray-9);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 280px;
}

.qr-thumb {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    background: #fff;
    box-shadow: inset 0 0 0 1px rgba(16, 24, 40, 0.08);
    padding: 3px;
    flex-shrink: 0;
    object-fit: contain;
}

.short-url {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    max-width: 260px;
}

    .short-url code {
        color: var(--gray-12);
        background: var(--gray-3);
        border-radius: var(--radius-sm);
        padding: 2px 6px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

.truncate {
    display: inline-block;
    max-width: 260px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    vertical-align: middle;
}

/* Badges */
.badge-soft {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    height: 22px;
    padding: 0 8px;
    border-radius: var(--radius-full);
    font-size: 0.71875rem;
    font-weight: 600;
    white-space: nowrap;
}

    .badge-soft::before {
        content: "";
        width: 6px;
        height: 6px;
        border-radius: 50%;
        background: currentColor;
    }

    .badge-soft.no-dot::before {
        display: none;
    }

.badge-success {
    background: var(--success-3);
    color: var(--success-11);
}

.badge-muted {
    background: var(--gray-3);
    color: var(--gray-10);
}

.badge-accent {
    background: var(--accent-3);
    color: var(--accent-11);
}

.badge-warning {
    background: var(--warning-3);
    color: var(--warning-11);
}

/* Dropdown */
.dropdown-menu {
    padding: var(--space-1);
    border: 1px solid var(--gray-4);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    font-size: var(--text-sm);
    min-width: 190px;
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: 0.5rem 0.625rem;
    border-radius: var(--radius-sm);
    color: var(--gray-11);
    font-weight: 500;
}

    .dropdown-item .icon {
        width: 16px;
        height: 16px;
        color: var(--gray-9);
    }

    .dropdown-item:hover, .dropdown-item:focus {
        background: var(--gray-3);
        color: var(--gray-12);
    }

    .dropdown-item.text-danger:hover {
        background: var(--danger-3);
        color: var(--danger-11) !important;
    }

    .dropdown-item.text-danger .icon {
        color: var(--danger-9);
    }

.dropdown-divider {
    margin: var(--space-1) 0;
    border-color: var(--gray-4);
}

/* Pagination */
.pager {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    border-top: 1px solid var(--gray-4);
    font-size: var(--text-sm);
    color: var(--gray-10);
}

/* Empty state */
.empty {
    text-align: center;
    padding: var(--space-12) var(--space-6);
}

.empty-icon {
    display: inline-grid;
    place-items: center;
    width: 56px;
    height: 56px;
    border-radius: var(--radius-lg);
    background: var(--accent-3);
    color: var(--accent-9);
    margin-bottom: var(--space-4);
}

.empty h3 {
    font-size: var(--text-lg);
    margin-bottom: var(--space-2);
}

.empty p {
    color: var(--gray-10);
    font-size: var(--text-sm);
    max-width: 42ch;
    margin: 0 auto var(--space-5);
}

/* Modal */
.modal-content {
    border: 0;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

.modal-header {
    padding: var(--space-5) var(--space-6) var(--space-3);
    border-bottom: 0;
    align-items: flex-start;
}

.modal-title {
    font-size: var(--text-lg);
    font-weight: 600;
}

.modal-body {
    padding: var(--space-2) var(--space-6) var(--space-4);
}

.modal-footer {
    padding: var(--space-4) var(--space-6);
    border-top: 1px solid var(--gray-4);
    background: var(--gray-2);
    border-radius: 0 0 var(--radius-xl) var(--radius-xl);
    gap: var(--space-2);
}

    .modal-footer > * {
        margin: 0;
    }

.modal-backdrop.show {
    opacity: 0.45;
}

.modal.fade .modal-dialog {
    transform: translateY(8px) scale(0.98);
    transition: transform 220ms var(--ease-out), opacity 220ms var(--ease-out);
}

.modal.show .modal-dialog {
    transform: none;
}

/* Alert */
.alert-inline {
    display: flex;
    gap: var(--space-3);
    align-items: flex-start;
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    background: var(--danger-3);
    color: var(--danger-11);
    border: 1px solid rgba(220, 38, 38, 0.18);
}

    .alert-inline ul {
        margin: 0;
        padding-left: 1rem;
    }

/* Toast */
.toast-stack {
    position: fixed;
    right: var(--space-6);
    bottom: var(--space-6);
    z-index: 2000;
    display: grid;
    gap: var(--space-2);
}

.app-toast {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    min-width: 280px;
    max-width: 420px;
    padding: var(--space-3) var(--space-4);
    background: var(--gray-12);
    color: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    font-size: var(--text-sm);
    font-weight: 500;
    animation: toast-in 260ms var(--ease-out);
}

    .app-toast .icon {
        color: #4ade80;
    }

    .app-toast.error .icon {
        color: #f87171;
    }

    .app-toast.leaving {
        opacity: 0;
        transform: translateY(6px);
        transition: opacity 200ms ease, transform 200ms ease;
    }

@keyframes toast-in {
    from {
        opacity: 0;
        transform: translateY(10px) scale(0.98);
    }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 1ms !important;
        transition-duration: 1ms !important;
    }
}

/* ---------- Login ---------- */

.auth {
    min-height: 100vh;
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    background: #fff;
}

.auth-aside {
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: var(--space-10);
    color: #fff;
    background: radial-gradient(1200px 600px at 0% 0%, #6366f1 0%, transparent 60%), radial-gradient(900px 600px at 100% 100%, #0ea5e9 0%, transparent 55%), #1e1b4b;
}

    .auth-aside::after {
        content: "";
        position: absolute;
        inset: 0;
        background-image: linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
        background-size: 32px 32px;
        mask-image: radial-gradient(ellipse at center, #000 30%, transparent 75%);
        pointer-events: none;
    }

    .auth-aside > * {
        position: relative;
        z-index: 1;
    }

    .auth-aside .brand {
        padding: 0;
        color: #fff;
    }

    .auth-aside .brand-mark {
        background: rgba(255, 255, 255, 0.14);
        box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.2);
    }

    .auth-aside .brand-sub {
        color: rgba(255, 255, 255, 0.65);
    }

.auth-hero h2 {
    color: #fff;
    font-size: 2.25rem;
    font-weight: 650;
    letter-spacing: -0.03em;
    line-height: 1.12;
    max-width: 16ch;
}

.auth-hero p {
    margin: var(--space-4) 0 0;
    color: rgba(255, 255, 255, 0.72);
    max-width: 44ch;
}

.auth-showcase {
    display: flex;
    gap: var(--space-4);
    align-items: center;
    margin-top: var(--space-8);
}

.auth-qr {
    width: 132px;
    height: 132px;
    padding: 10px;
    background: #fff;
    border-radius: var(--radius-xl);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
    transform: rotate(-4deg);
}

    .auth-qr + .auth-qr {
        transform: rotate(5deg) translateY(12px);
    }

.auth-features {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: var(--space-3);
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.82);
}

    .auth-features li {
        display: flex;
        align-items: center;
        gap: var(--space-3);
    }

    .auth-features .icon {
        color: #a5b4fc;
    }

.auth-main {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-10) var(--space-6);
}

.auth-card {
    width: 100%;
    max-width: 380px;
}

    .auth-card h1 {
        font-size: var(--text-2xl);
        font-weight: 650;
        letter-spacing: -0.025em;
    }

    .auth-card .lead-text {
        color: var(--gray-10);
        font-size: var(--text-sm);
        margin: var(--space-2) 0 var(--space-8);
    }

    .auth-card .form-control {
        min-height: 44px;
    }

.password-field {
    position: relative;
}

    .password-field .form-control {
        padding-right: 44px;
    }

    .password-field .toggle {
        position: absolute;
        right: 4px;
        top: 50%;
        transform: translateY(-50%);
    }

.captcha-wrap {
    display: flex;
    justify-content: flex-start;
    margin: var(--space-2) 0 var(--space-5);
    min-height: 78px;
}

.btn-google {
    gap: var(--space-3);
}

.google-mark {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.qr-auth-gate .auth-divider {
    margin: var(--space-4) 0;
}

.auth-divider {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin: var(--space-5) 0;
    color: var(--gray-9);
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

    .auth-divider::before, .auth-divider::after {
        content: "";
        flex: 1;
        height: 1px;
        background: var(--gray-5);
    }

.auth-foot {
    margin-top: var(--space-8);
    font-size: var(--text-xs);
    color: var(--gray-9);
    text-align: center;
}

@media (max-width: 991.98px) {
    .auth {
        grid-template-columns: 1fr;
    }

    .auth-aside {
        display: none;
    }
}

/* ---------- QR editor ---------- */

.editor {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 360px;
    gap: var(--space-6);
    align-items: start;
}

@media (max-width: 1099.98px) {
    .editor {
        grid-template-columns: 1fr;
    }
}

.editor-section {
    margin-bottom: var(--space-4);
}

.section-head {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-5);
    border-bottom: 1px solid var(--gray-4);
}

.step {
    display: grid;
    place-items: center;
    width: 24px;
    height: 24px;
    border-radius: var(--radius-full);
    background: var(--gray-12);
    color: #fff;
    font-size: var(--text-xs);
    font-weight: 600;
    flex-shrink: 0;
}

.section-title {
    font-size: var(--text-base);
    font-weight: 600;
}

.section-desc {
    font-size: var(--text-xs);
    color: var(--gray-10);
}

.template-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(104px, 1fr));
    gap: var(--space-3);
}

.template-tile {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-2) var(--space-2);
    background: #fff;
    border: 1px solid var(--gray-4);
    border-radius: var(--radius-lg);
    cursor: pointer;
    font-size: var(--text-xs);
    font-weight: 500;
    color: var(--gray-11);
    transition: border-color 150ms ease, box-shadow 150ms ease, transform 150ms var(--ease-out);
}

    .template-tile:hover {
        border-color: var(--gray-6);
        box-shadow: var(--shadow-md);
        transform: translateY(-1px);
    }

    .template-tile.active {
        border-color: var(--accent-9);
        box-shadow: 0 0 0 1px var(--accent-9), var(--shadow-md);
        color: var(--accent-11);
    }

.template-preview {
    width: 72px;
    height: 72px;
    display: grid;
    place-items: center;
    border-radius: var(--radius-sm);
    overflow: hidden;
}

    .template-preview canvas, .template-preview svg {
        width: 72px !important;
        height: 72px !important;
    }

.color-field {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: 4px 4px 4px 4px;
    border: 1px solid var(--gray-5);
    border-radius: var(--radius-md);
    background: #fff;
    box-shadow: var(--shadow-xs);
    transition: border-color 150ms ease, box-shadow 150ms ease;
}

    .color-field:focus-within {
        border-color: var(--accent-9);
        box-shadow: var(--focus-ring);
    }

    .color-field input[type="color"] {
        width: 30px;
        height: 30px;
        padding: 0;
        border: 0;
        border-radius: var(--radius-sm);
        background: none;
        cursor: pointer;
        flex-shrink: 0;
    }

        .color-field input[type="color"]::-webkit-color-swatch-wrapper {
            padding: 0;
        }

        .color-field input[type="color"]::-webkit-color-swatch {
            border: 0;
            border-radius: var(--radius-sm);
            box-shadow: inset 0 0 0 1px rgba(16, 24, 40, 0.12);
        }

    .color-field input[type="text"] {
        flex: 1;
        min-width: 0;
        border: 0;
        outline: 0;
        font-family: var(--font-mono);
        font-size: var(--text-sm);
        text-transform: uppercase;
        color: var(--gray-12);
        background: transparent;
    }

.swatches {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.swatch {
    width: 26px;
    height: 26px;
    border-radius: var(--radius-full);
    border: 0;
    padding: 0;
    cursor: pointer;
    box-shadow: inset 0 0 0 1px rgba(16, 24, 40, 0.14);
    transition: transform 150ms var(--ease-out), box-shadow 150ms ease;
}

    .swatch:hover {
        transform: scale(1.1);
    }

    .swatch.active {
        box-shadow: 0 0 0 2px #fff, 0 0 0 4px var(--accent-9);
    }

.dropzone {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-4);
    border: 1.5px dashed var(--gray-6);
    border-radius: var(--radius-lg);
    background: var(--gray-2);
    cursor: pointer;
    transition: border-color 150ms ease, background-color 150ms ease;
}

    .dropzone:hover, .dropzone.dragging {
        border-color: var(--accent-9);
        background: var(--accent-2);
    }

.dropzone-icon {
    display: grid;
    place-items: center;
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: #fff;
    color: var(--gray-10);
    box-shadow: var(--shadow-sm);
    flex-shrink: 0;
    overflow: hidden;
}

    .dropzone-icon img {
        width: 100%;
        height: 100%;
        object-fit: contain;
    }

.range-row {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

    .range-row .form-range {
        flex: 1;
    }

    .range-row output {
        min-width: 44px;
        text-align: right;
        font-size: var(--text-xs);
        font-variant-numeric: tabular-nums;
        color: var(--gray-10);
    }

.form-range::-webkit-slider-thumb {
    background: var(--accent-9);
}

.form-range::-moz-range-thumb {
    background: var(--accent-9);
}

.advanced-toggle {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--gray-11);
    background: none;
    border: 0;
    padding: 0;
}

    .advanced-toggle .icon {
        transition: transform 200ms var(--ease-out);
    }

    .advanced-toggle[aria-expanded="true"] .icon {
        transform: rotate(90deg);
    }

.preview-panel {
    position: sticky;
    top: var(--space-6);
    align-self: start;
    min-width: 0;
}

.preview-card {
    display: flex;
    flex-direction: column;
    max-height: calc(100vh - var(--space-6) - 16px);
    max-height: calc(100dvh - var(--space-6) - 16px);
    overflow: hidden;
}

.preview-scroll-body {
    min-height: 0;
    overflow: auto;
    overscroll-behavior: contain;
    scrollbar-width: thin;
}

.preview-scroll-body:focus-visible {
    outline: 2px solid var(--accent-9);
    outline-offset: -2px;
}

.preview-card > .preview-actions {
    flex-shrink: 0;
    background: var(--gray-1);
    position: relative;
    z-index: 1;
}

.preview-card .preview-actions > .alert-inline {
    max-height: 96px;
    overflow: auto;
}

@media (max-width: 1099.98px) {
    .preview-panel { top: 80px; }
    .preview-card {
        max-height: calc(100vh - 96px);
        max-height: calc(100dvh - 96px);
    }
}

.preview-stage {
    display: grid;
    place-items: center;
    padding: var(--space-6);
    background-color: var(--gray-2);
    background-image: linear-gradient(45deg, var(--gray-3) 25%, transparent 25%), linear-gradient(-45deg, var(--gray-3) 25%, transparent 25%), linear-gradient(45deg, transparent 75%, var(--gray-3) 75%), linear-gradient(-45deg, transparent 75%, var(--gray-3) 75%);
    background-size: 16px 16px;
    background-position: 0 0, 0 8px, 8px -8px, -8px 0;
    border-bottom: 1px solid var(--gray-4);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.preview-canvas {
    width: 264px;
    height: 264px;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    background: #fff;
}

    .preview-canvas canvas, .preview-canvas svg {
        display: block;
        width: 264px !important;
        height: 264px !important;
    }

.preview-meta {
    padding: var(--space-4) var(--space-5);
    display: grid;
    gap: var(--space-3);
}

.encoded-value {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    background: var(--gray-2);
    border: 1px solid var(--gray-4);
    border-radius: var(--radius-md);
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--gray-11);
    min-width: 0;
}

    .encoded-value span {
        flex: 1;
        min-width: 0;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

.meta-label {
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--gray-9);
    margin-bottom: var(--space-1);
}

.download-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-2);
}

.preview-actions {
    padding: var(--space-4) var(--space-5);
    border-top: 1px solid var(--gray-4);
    display: grid;
    gap: var(--space-2);
}

.contrast-warning {
    display: none;
    gap: var(--space-2);
    align-items: flex-start;
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
    background: var(--warning-3);
    color: var(--warning-11);
    font-size: var(--text-xs);
    font-weight: 500;
}

    .contrast-warning.show {
        display: flex;
    }

/* ---------- Scan report ---------- */

.chart {
    display: grid;
    grid-template-columns: repeat(14, minmax(0, 1fr));
    align-items: end;
    gap: 6px;
    height: 180px;
    padding: var(--space-5) var(--space-5) 0;
}

.chart-col {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-end;
    height: 100%;
}

.chart-bar {
    min-height: 2px;
    border-radius: 4px 4px 0 0;
    background: var(--accent-9);
    transition: background-color 150ms ease;
}

    .chart-bar.zero {
        background: var(--gray-4);
    }

.chart-col:hover .chart-bar {
    background: var(--accent-10);
}

.chart-col:hover .chart-bar.zero {
    background: var(--gray-6);
}

.chart-tip {
    position: absolute;
    bottom: calc(100% + 6px);
    left: 50%;
    transform: translateX(-50%) translateY(4px);
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    background: var(--gray-12);
    color: #fff;
    font-size: var(--text-xs);
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 120ms ease, transform 120ms ease;
    z-index: 2;
}

.chart-col:hover .chart-tip {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.chart-axis {
    display: grid;
    grid-template-columns: repeat(14, minmax(0, 1fr));
    gap: 6px;
    padding: var(--space-2) var(--space-5) var(--space-4);
    font-size: 0.6875rem;
    color: var(--gray-9);
    text-align: center;
    border-top: 1px solid var(--gray-4);
    margin: 0;
    font-variant-numeric: tabular-nums;
}

/* ---------- Public pages ---------- */

.public {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: var(--space-6) var(--space-4);
    background: var(--gray-2);
}

.public-card {
    width: 100%;
    max-width: 480px;
    padding: var(--space-8);
    text-align: center;
}

    .public-card h1 {
        font-size: var(--text-xl);
        margin-bottom: var(--space-2);
    }

    .public-card p {
        color: var(--gray-10);
        margin: 0 auto;
        max-width: 42ch;
    }

.public-value {
    margin: var(--space-5) 0;
    padding: var(--space-4);
    background: var(--gray-2);
    border: 1px solid var(--gray-4);
    border-radius: var(--radius-md);
    text-align: left;
    white-space: pre-wrap;
    word-break: break-word;
    font-size: var(--text-sm);
    color: var(--gray-12);
    max-height: 50vh;
    overflow: auto;
}

/* ==========================================================================
   Public website
   ========================================================================== */

.site {
    background: #fff;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.site-nav {
    position: sticky;
    top: 0;
    z-index: 1030;
    background: rgba(255, 255, 255, 0.86);
    backdrop-filter: saturate(180%) blur(12px);
    border-bottom: 1px solid transparent;
    transition: border-color 200ms ease, box-shadow 200ms ease;
}

    .site-nav.scrolled {
        border-bottom-color: var(--gray-4);
        box-shadow: var(--shadow-xs);
    }

.site-container {
    width: 100%;
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

@media (max-width: 575.98px) {
    .site-container {
        padding: 0 var(--space-4);
    }
}

.site-nav-inner {
    display: flex;
    align-items: center;
    gap: var(--space-6);
    height: 64px;
}

    .site-nav-inner .brand {
        padding: 0;
    }

.site-links {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    list-style: none;
    margin: 0;
    padding: 0;
}

.site-link {
    display: inline-flex;
    align-items: center;
    height: 36px;
    padding: 0 var(--space-3);
    border-radius: var(--radius-md);
    color: var(--gray-11);
    font-size: var(--text-sm);
    font-weight: 500;
    transition: background-color 150ms ease, color 150ms ease;
}

    .site-link:hover {
        background: var(--gray-3);
        color: var(--gray-12);
    }

    .site-link.active {
        color: var(--gray-12);
    }

.site-actions {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.site-menu-toggle {
    display: none;
}

@media (max-width: 767.98px) {
    .site-links {
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: var(--space-2) var(--space-4) var(--space-4);
        background: #fff;
        border-bottom: 1px solid var(--gray-4);
        box-shadow: var(--shadow-md);
        display: none;
    }

    .site-nav.menu-open .site-links {
        display: flex;
    }

    .site-link {
        height: 44px;
    }

    .site-menu-toggle {
        display: inline-flex;
    }

    .site-actions .btn-ghost {
        display: none;
    }
}

.site-main {
    flex: 1;
}

/* Hero */
.hero {
    position: relative;
    overflow: visible;
    padding: var(--space-12) 0 var(--space-12);
    background: radial-gradient(900px 420px at 50% -120px, var(--accent-3) 0%, transparent 70%), #fff;
}

    .hero::before {
        content: "";
        position: absolute;
        inset: 0;
        background-image: linear-gradient(var(--gray-3) 1px, transparent 1px), linear-gradient(90deg, var(--gray-3) 1px, transparent 1px);
        background-size: 40px 40px;
        mask-image: radial-gradient(ellipse 70% 55% at 50% 0%, #000 20%, transparent 70%);
        pointer-events: none;
    }

    .hero > * {
        position: relative;
    }

.hero-head {
    text-align: center;
    max-width: 760px;
    margin: 0 auto var(--space-8);
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: 4px 12px 4px 6px;
    border-radius: var(--radius-full);
    background: #fff;
    border: 1px solid var(--gray-4);
    box-shadow: var(--shadow-xs);
    font-size: var(--text-xs);
    font-weight: 500;
    color: var(--gray-11);
    margin-bottom: var(--space-5);
}

    .eyebrow b {
        padding: 2px 8px;
        border-radius: var(--radius-full);
        background: var(--accent-9);
        color: #fff;
        font-weight: 600;
    }

.hero-title {
    font-size: clamp(2.1rem, 4.6vw, 3.4rem);
    font-weight: 700;
    letter-spacing: -0.035em;
    line-height: 1.06;
}

    .hero-title .accent-text {
        background: linear-gradient(90deg, #4f46e5, #0ea5e9);
        -webkit-background-clip: text;
        background-clip: text;
        color: transparent;
    }

.hero-sub {
    margin: var(--space-4) auto 0;
    font-size: var(--text-lg);
    color: var(--gray-10);
    max-width: 56ch;
    line-height: 1.55;
}

/* Tool card */
.tool {
    max-width: 980px;
    margin: 0 auto;
    background: #fff;
    border: 1px solid var(--gray-4);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    overflow: visible;
}

.tool-tabs {
    display: flex;
    gap: var(--space-1);
    padding: var(--space-2);
    border-bottom: 1px solid var(--gray-4);
    background: var(--gray-2);
}

.tool-tab {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    height: 44px;
    border: 0;
    border-radius: var(--radius-md);
    background: transparent;
    color: var(--gray-10);
    font-size: var(--text-sm);
    font-weight: 600;
    transition: background-color 150ms ease, color 150ms ease, box-shadow 150ms ease;
}

    .tool-tab:hover {
        color: var(--gray-12);
    }

    .tool-tab[aria-selected="true"] {
        background: #fff;
        color: var(--gray-12);
        box-shadow: var(--shadow-sm);
    }

        .tool-tab[aria-selected="true"] .icon {
            color: var(--accent-9);
        }

.tool-panel {
    padding: var(--space-6);
}

@media (max-width: 575.98px) {
    .tool-panel {
        padding: var(--space-4);
    }
}

.link-form-row {
    display: flex;
    gap: var(--space-3);
}

    .link-form-row .form-control {
        min-height: 52px;
        font-size: var(--text-base);
        padding: 0 var(--space-4);
    }

    .link-form-row .btn {
        height: 52px;
        padding: 0 var(--space-6);
    }

@media (max-width: 575.98px) {
    .link-form-row {
        flex-direction: column;
    }
}

.link-options {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    flex-wrap: wrap;
    margin-top: var(--space-3);
    font-size: var(--text-sm);
    color: var(--gray-10);
}

.text-button {
    border: 0;
    background: none;
    padding: 0;
    color: var(--accent-9);
    font-weight: 500;
    font-size: var(--text-sm);
}

    .text-button:hover {
        color: var(--accent-10);
        text-decoration: underline;
    }

.result {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--space-5);
    align-items: center;
    margin-top: var(--space-5);
    padding: var(--space-5);
    border-radius: var(--radius-lg);
    background: linear-gradient(180deg, var(--accent-2), #fff);
    border: 1px solid var(--accent-4);
    animation: toast-in 320ms var(--ease-out);
}

@media (max-width: 575.98px) {
    .result {
        grid-template-columns: 1fr;
    }
}

.result-label {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--success-11);
    margin-bottom: var(--space-2);
}

.result-url {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex-wrap: wrap;
}

    .result-url a {
        font-size: var(--text-xl);
        font-weight: 650;
        letter-spacing: -0.015em;
        color: var(--gray-12);
        word-break: break-all;
    }

.result-dest {
    margin-top: var(--space-1);
    font-size: var(--text-sm);
    color: var(--gray-10);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 560px;
}

.result-qr {
    width: 112px;
    height: 112px;
    padding: 6px;
    background: #fff;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
}

    .result-qr canvas {
        width: 100px !important;
        height: 100px !important;
        display: block;
    }

.upsell {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    flex-wrap: wrap;
    margin-top: var(--space-4);
    padding: var(--space-4);
    border-radius: var(--radius-lg);
    background: var(--gray-12);
    color: #fff;
}

    .upsell .icon-wrap {
        display: grid;
        place-items: center;
        width: 40px;
        height: 40px;
        border-radius: var(--radius-md);
        background: rgba(255, 255, 255, 0.1);
        color: #a5b4fc;
        flex-shrink: 0;
    }

    .upsell strong {
        display: block;
        font-size: var(--text-sm);
    }

    .upsell span {
        font-size: var(--text-xs);
        color: rgba(255, 255, 255, 0.7);
    }

    .upsell .upsell-actions {
        display: flex;
        gap: var(--space-2);
        margin-left: auto;
    }

    .upsell .btn-light-solid {
        background: #fff;
        color: var(--gray-12);
        border: 1px solid #fff;
    }

        .upsell .btn-light-solid:hover {
            background: var(--gray-3);
            color: var(--gray-12);
        }

.qr-tool {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: var(--space-6);
    min-width: 0;
}

.qr-tool > *, .editor > * { min-width: 0; }
.section-head > div { flex: 1; min-width: 0; }
.section-title, .section-desc, .form-hint { overflow-wrap: anywhere; }
.input-group-joined { min-width: 0; max-width: 100%; }
.input-group-joined > .btn, .input-group-joined > .suffix { flex-shrink: 0; }

@media (max-width: 859.98px) {
    .qr-tool {
        grid-template-columns: minmax(0, 1fr);
    }
}

.mini-templates {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(76px, 1fr));
    gap: var(--space-2);
}

    .mini-templates .template-tile {
        padding: var(--space-2) var(--space-1) var(--space-1);
        border-radius: var(--radius-md);
    }

    .mini-templates .template-preview {
        width: 52px;
        height: 52px;
    }

        .mini-templates .template-preview canvas {
            width: 52px !important;
            height: 52px !important;
        }

.qr-tool-preview {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

    .qr-tool-preview .preview-stage {
        border: 1px solid var(--gray-4);
        border-radius: var(--radius-lg);
        padding: var(--space-5);
    }

    .qr-tool-preview .preview-canvas {
        width: 220px;
        height: 220px;
    }

        .qr-tool-preview .preview-canvas canvas {
            width: 220px !important;
            height: 220px !important;
        }

.logo-mini {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

    .logo-mini .dropzone {
        flex: 1;
        padding: var(--space-2) var(--space-3);
        gap: var(--space-3);
    }

    .logo-mini .dropzone-icon {
        width: 36px;
        height: 36px;
    }

/* Recent creations */
.recent {
    max-width: 980px;
    margin: var(--space-6) auto 0;
}

.recent-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
    gap: var(--space-3);
}

.recent-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3);
    background: #fff;
    border: 1px solid var(--gray-4);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xs);
    min-width: 0;
}

.recent-icon {
    display: grid;
    place-items: center;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background: var(--accent-3);
    color: var(--accent-9);
    flex-shrink: 0;
    overflow: hidden;
}

    .recent-icon img {
        width: 100%;
        height: 100%;
        object-fit: contain;
        background: #fff;
    }

/* Sections */
.section {
    padding: var(--space-12) 0;
}

    .section + .section {
        border-top: 1px solid var(--gray-3);
    }

.section-soft {
    background: var(--gray-2);
}

.section-head-center {
    text-align: center;
    max-width: 640px;
    margin: 0 auto var(--space-10);
}

.kicker {
    font-size: var(--text-xs);
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--accent-9);
    margin-bottom: var(--space-3);
}

.section-title-lg {
    font-size: clamp(1.6rem, 3vw, 2.25rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.15;
}

.section-lead {
    margin: var(--space-3) auto 0;
    color: var(--gray-10);
    font-size: var(--text-base);
    max-width: 58ch;
}

.steps {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-6);
    counter-reset: step;
}

@media (max-width: 767.98px) {
    .steps {
        grid-template-columns: 1fr;
    }
}

.step-card {
    position: relative;
    padding: var(--space-6);
}

    .step-card::before {
        counter-increment: step;
        content: counter(step, decimal-leading-zero);
        display: block;
        font-size: var(--text-xs);
        font-weight: 700;
        letter-spacing: 0.08em;
        color: var(--accent-9);
        margin-bottom: var(--space-4);
    }

    .step-card h3, .feature h3 {
        font-size: var(--text-base);
        font-weight: 600;
        margin-bottom: var(--space-2);
    }

    .step-card p, .feature p {
        margin: 0;
        font-size: var(--text-sm);
        color: var(--gray-10);
    }

.features {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-4);
}

@media (max-width: 991.98px) {
    .features {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 575.98px) {
    .features {
        grid-template-columns: 1fr;
    }
}

.feature {
    padding: var(--space-6);
    transition: box-shadow 200ms ease, transform 200ms var(--ease-out);
}

    .feature:hover {
        box-shadow: var(--shadow-md);
        transform: translateY(-2px);
    }

.feature-icon {
    display: grid;
    place-items: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    background: var(--accent-3);
    color: var(--accent-9);
    margin-bottom: var(--space-4);
}

.cta-band {
    position: relative;
    overflow: hidden;
    padding: var(--space-10);
    border-radius: var(--radius-xl);
    color: #fff;
    background: radial-gradient(700px 300px at 0% 0%, #6366f1 0%, transparent 60%), radial-gradient(600px 300px at 100% 100%, #0ea5e9 0%, transparent 55%), #1e1b4b;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-6);
    flex-wrap: wrap;
}

    .cta-band h2 {
        color: #fff;
        font-size: clamp(1.4rem, 2.6vw, 2rem);
        letter-spacing: -0.025em;
    }

    .cta-band p {
        margin: var(--space-2) 0 0;
        color: rgba(255, 255, 255, 0.75);
        max-width: 52ch;
    }

    .cta-band .btn-light-solid {
        background: #fff;
        color: var(--gray-12);
        border: 1px solid #fff;
    }

        .cta-band .btn-light-solid:hover {
            background: var(--gray-3);
            color: var(--gray-12);
        }

    .cta-band .cta-actions {
        display: flex;
        flex-wrap: wrap;
        gap: var(--space-3);
    }

    .cta-band .btn-outline-light-solid {
        background: transparent;
        color: #fff;
        border: 1px solid rgba(255, 255, 255, 0.45);
    }

        .cta-band .btn-outline-light-solid:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            color: #fff;
        }

    .cta-band .google-mark {
        background: #fff;
        border-radius: 50%;
        padding: 3px;
        width: 22px;
        height: 22px;
    }

/* Prose pages */
.page-hero {
    padding: var(--space-12) 0 var(--space-8);
    background: radial-gradient(800px 320px at 50% -140px, var(--accent-3) 0%, transparent 70%), #fff;
    text-align: center;
}

.prose {
    max-width: 68ch;
    margin: 0 auto;
    font-size: 1rem;
    line-height: 1.7;
    color: var(--gray-11);
}

    .prose h2 {
        font-size: var(--text-xl);
        margin: var(--space-8) 0 var(--space-3);
    }

    .prose p {
        margin: 0 0 var(--space-4);
    }

    .prose ul {
        padding-left: 1.2rem;
        margin: 0 0 var(--space-4);
    }

    .prose li {
        margin-bottom: var(--space-2);
    }

.contact-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr);
    gap: var(--space-8);
    align-items: start;
}

@media (max-width: 859.98px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

.contact-point {
    display: flex;
    gap: var(--space-3);
    align-items: flex-start;
    margin-bottom: var(--space-5);
}

.honeypot {
    position: absolute !important;
    left: -10000px !important;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.alert-success-inline {
    display: flex;
    gap: var(--space-3);
    align-items: flex-start;
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    background: var(--success-3);
    color: var(--success-11);
    border: 1px solid rgba(22, 163, 74, 0.2);
}

/* Footer */
.site-footer {
    border-top: 1px solid var(--gray-4);
    background: var(--gray-2);
    padding: var(--space-10) 0 var(--space-6);
    font-size: var(--text-sm);
    color: var(--gray-10);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.6fr repeat(2, 1fr);
    gap: var(--space-8);
}

@media (max-width: 767.98px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }

        .footer-grid > :first-child {
            grid-column: 1 / -1;
        }
}

.footer-title {
    font-size: var(--text-xs);
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--gray-12);
    margin-bottom: var(--space-3);
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: var(--space-2);
}

    .footer-links a {
        color: var(--gray-10);
    }

        .footer-links a:hover {
            color: var(--gray-12);
        }

.footer-bottom {
    margin-top: var(--space-8);
    padding-top: var(--space-5);
    border-top: 1px solid var(--gray-4);
    font-size: var(--text-xs);
}

/* Auth: email check state */
.check-email-icon {
    display: grid;
    place-items: center;
    width: 64px;
    height: 64px;
    border-radius: var(--radius-xl);
    margin-bottom: var(--space-5);
    background: var(--accent-3);
    color: var(--accent-9);
}

    .check-email-icon.warn {
        background: var(--warning-3);
        color: var(--warning-11);
    }

.role-badge {
    display: inline-flex;
    align-items: center;
    height: 18px;
    padding: 0 6px;
    border-radius: var(--radius-full);
    background: var(--accent-3);
    color: var(--accent-11);
    font-size: 0.625rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    margin-left: 4px;
    vertical-align: middle;
}

.scope-banner {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex-wrap: wrap;
    padding: var(--space-3) var(--space-4);
    margin-bottom: var(--space-5);
    border-radius: var(--radius-lg);
    background: var(--warning-3);
    color: var(--warning-11);
    font-size: var(--text-sm);
    border: 1px solid rgba(163, 92, 0, 0.18);
}

    .scope-banner a {
        margin-left: auto;
        color: var(--warning-11);
        font-weight: 600;
    }

/* Reserve space for both gradient labels and the dropdown arrow. */
.gradient-fields { display: grid; grid-template-columns: minmax(0, 1fr) 116px; gap: var(--space-2); align-items: center; }
.gradient-fields[hidden] { display: none; }
.gradient-fields .color-field { min-width: 0; }
.gradient-fields .gradient-type { width: 100%; min-width: 116px; padding-right: 36px; }
.framed-qr { display: contents; }
.template-tile:focus-visible { outline: 2px solid var(--accent-9); outline-offset: 3px; }
@media (max-width: 380px) { .gradient-fields { grid-template-columns: minmax(0, 1fr); } }


@media (prefers-reduced-motion: reduce) { .template-tile { transition: none; } .template-tile:hover { transform: none; } }

/* Caption exports grow vertically while preserving the square QR matrix. */
.preview-canvas, .qr-tool-preview .preview-canvas { height: auto; min-height: 220px; }
.preview-canvas canvas, .preview-canvas svg,
.qr-tool-preview .preview-canvas canvas { height: auto !important; }
.qr-caption-controls textarea { resize: vertical; }
.qr-caption-controls .form-control-color { width: 100%; }

/* Public QR designer: exploratory member features remain visible and interactive. */
.public-qr-design { margin-top: var(--space-6); }
.public-qr-design .editor-section { margin-bottom: var(--space-4); }
.public-qr-design .template-grid { grid-template-columns: repeat(auto-fill, minmax(104px, 1fr)); }
.member-badge, .template-lock { display: inline-flex; align-items: center; gap: 4px; border: 1px solid var(--accent-4); background: var(--accent-2); color: var(--accent-11); border-radius: 999px; padding: 3px 7px; font-size: 10px; font-weight: 600; line-height: 1.3; white-space: nowrap; vertical-align: middle; }
.member-badge { margin-left: 6px; }
.member-badge .icon, .template-lock .icon { width: 12px; height: 12px; }
.member-template { background: var(--gray-1); }
.member-template:hover { border-color: var(--accent-8); }
.qr-access-banner { display: flex; align-items: flex-start; gap: var(--space-3); padding: var(--space-4); border: 1px solid var(--accent-4); border-radius: var(--radius-lg); background: var(--accent-2); }
.qr-access-banner[hidden] { display: none; }
.qr-access-banner strong { color: var(--accent-11); font-size: var(--text-sm); }
.qr-access-banner p { font-size: var(--text-xs); line-height: 1.6; color: var(--gray-11); margin: 4px 0 0; }
.qr-access-icon { color: var(--accent-11); flex-shrink: 0; }
.qr-access-banner .btn { flex-shrink: 0; }
/* Stick to the page scroll, with room for tall captions and the navigation. */
.qr-tool-preview {
    align-self: start;
    position: sticky;
    top: 96px;
    max-height: calc(100vh - 112px);
    max-height: calc(100dvh - 112px);
    overflow: auto;
    overscroll-behavior: contain;
    scrollbar-width: thin;
}
@supports (overflow: clip) {
    .hero, .tool { overflow: clip; }
}
.tool-tabs { border-radius: var(--radius-xl) var(--radius-xl) 0 0; }
.qr-auth-gate .modal-content { border: 1px solid var(--gray-4); border-radius: 24px; box-shadow: var(--shadow-lg); overflow: hidden; }
.qr-auth-gate .modal-dialog { max-width: 460px; }
.gate-close { position: absolute; right: 12px; top: 12px; z-index: 1; }
.auth-gate-body { padding: 40px 32px 24px; }
.gate-mark { width: 56px; height: 56px; display: grid; place-items: center; background: var(--accent-2); color: var(--accent-11); border: 1px solid var(--accent-4); border-radius: 16px; margin-bottom: 24px; }
.auth-gate-body .kicker { display: block; margin-bottom: 8px; }
.auth-gate-body h2 { font-size: 26px; line-height: 1.2; letter-spacing: -0.025em; margin-bottom: 12px; }
.auth-gate-body > p { color: var(--gray-11); font-size: var(--text-sm); line-height: 1.7; }
.gate-benefits { list-style: none; padding: 0; margin: 24px 0; display: grid; gap: 14px; }
.gate-benefits li { display: flex; align-items: center; gap: 10px; font-size: var(--text-sm); color: var(--gray-12); }
.gate-benefits .icon { color: var(--accent-9); flex-shrink: 0; width: 18px; height: 18px; }
.gate-continue { display: block; margin: 20px auto 0; font-size: var(--text-sm); min-height: 40px; }
.password-field .toggle { min-width: 40px; min-height: 40px; }
@media (max-width: 859.98px) { .qr-tool-preview { position: static; max-height: none; overflow: visible; } }
@media (max-width: 575px) { .auth-gate-body { padding: 36px 24px 24px; } .qr-access-banner { flex-wrap: wrap; } }
@media (prefers-reduced-motion: reduce) { .qr-auth-gate.fade, .qr-auth-gate.fade .modal-dialog { transition: none; } }


/* Information is portaled above panels, with a clear title and readable body. */
.field-label-row { display: flex; align-items: center; gap: 6px; margin-bottom: var(--space-2); }
.caption-format-toolbar { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-bottom: 8px; }
.caption-selection-color { display: inline-flex; align-items: center; gap: 8px; font-size: var(--text-xs); color: var(--gray-11); }
.caption-selection-color input { width: 32px; height: 30px; padding: 3px; border: 1px solid var(--gray-6); border-radius: 6px; background: var(--gray-1); cursor: pointer; }
.field-label-row > .form-label, .field-label-row > .form-check-label { margin-bottom: 0; min-width: 0; }
.field-label-row > .info-tooltip-trigger { flex-shrink: 0; }
.field-label-row-switch { display: inline-flex; max-width: 100%; margin-bottom: 0; vertical-align: middle; }
.section-title { display: flex; align-items: center; gap: 6px; }
.section-title > .info-tooltip-trigger { flex-shrink: 0; }
.info-tooltip-trigger { display: inline-flex; align-items: center; justify-content: center; width: 26px; height: 26px; padding: 0; border: 0; border-radius: 50%; background: transparent; color: var(--gray-9); vertical-align: middle; cursor: help; transition: color 140ms ease, background-color 140ms ease; }
.info-tooltip-trigger .icon { width: 16px; height: 16px; }
.info-tooltip-trigger:hover, .info-tooltip-trigger[aria-expanded="true"] { color: var(--accent-11); background: var(--accent-2); }
.info-tooltip-trigger:focus-visible { outline: 2px solid var(--accent-9); outline-offset: 2px; }
.rich-info-tooltip { position: fixed; z-index: 1090; width: min(320px, calc(100vw - 16px)); padding: 16px 18px; border: 1px solid var(--gray-5); border-radius: 14px; color: var(--gray-12); background: #fff; box-shadow: 0 4px 12px rgba(15, 23, 42, 0.06), 0 16px 36px rgba(15, 23, 42, 0.12); animation: info-tooltip-enter 140ms ease-out; }
.rich-info-tooltip::after { content: ""; position: absolute; left: var(--info-arrow-x); bottom: -5px; width: 9px; height: 9px; border-right: 1px solid var(--gray-5); border-bottom: 1px solid var(--gray-5); background: #fff; transform: translateX(-50%) rotate(45deg); }
.rich-info-tooltip.below::after { top: -5px; bottom: auto; transform: translateX(-50%) rotate(225deg); }
.info-tooltip-title { font-size: 13px; font-weight: 600; line-height: 1.4; margin-bottom: 7px; letter-spacing: -0.01em; }
.info-tooltip-body { color: var(--gray-11); font-size: 12px; line-height: 1.7; margin: 0; overflow-wrap: anywhere; }
@keyframes info-tooltip-enter { from { opacity: 0; transform: translateY(3px); } to { opacity: 1; transform: translateY(0); } }
@media (pointer: coarse) { .info-tooltip-trigger { width: 40px; height: 40px; } }
@media (prefers-reduced-motion: reduce) { .rich-info-tooltip { animation: none; } .info-tooltip-trigger { transition: none; } }
.gradient-fields { grid-template-columns: minmax(0, 1fr) 152px; }
.gradient-type-with-help { display: flex; align-items: center; gap: 4px; min-width: 0; }
.gradient-type-with-help .info-tooltip-trigger { flex-shrink: 0; width: 26px; height: 26px; }
@media (max-width: 380px) { .gradient-fields { grid-template-columns: minmax(0, 1fr); } }

/* Let mobile controls wrap inside the available width instead of widening the grid. */
@media (max-width: 575.98px) {
    .tool-panel { padding: 12px; }
    .qr-tool { gap: 16px; }
    .editor-section { margin-bottom: 16px; }
    .editor-section .card-body-pad { padding: 16px; }
    .section-head { padding: 14px 16px; gap: 10px; align-items: flex-start; }
    .section-head > .step { margin-top: 6px; }
    .section-desc { line-height: 1.6; }
    .section-title { flex-wrap: wrap; gap: 4px; }
    .template-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
    .template-tile { min-width: 0; }
    .swatches { flex-wrap: wrap; }
    .gradient-fields { grid-template-columns: minmax(0, 1fr); }
    .input-group-joined { flex-wrap: wrap; }
    .input-group-joined .prefix {
        flex: 0 0 100%;
        max-width: 100%;
        min-width: 0;
        display: block;
        padding: 8px 12px;
        border-right: 0;
        border-bottom: 1px solid var(--gray-4);
        font-size: 12px;
    }
    .input-group-joined input { flex: 1 1 0; min-height: 44px; font-size: 16px; }
    .input-group-joined > .btn { width: 44px; min-height: 44px; }
    .qr-caption-controls .form-control, .qr-caption-controls .form-select,
    .editor-section textarea, .editor-section input.form-control { font-size: 16px; }
    .caption-format-toolbar { gap: 6px; }
    .caption-format-toolbar .btn { min-height: 40px; }
    .caption-selection-color { min-height: 40px; }
    .preview-stage, .qr-tool-preview .preview-stage { padding: 16px; }
    .preview-canvas, .qr-tool-preview .preview-canvas { max-width: 100%; min-height: 0; }
    .preview-canvas canvas, .preview-canvas svg,
    .qr-tool-preview .preview-canvas canvas { max-width: 100% !important; }
    .preview-meta, .preview-actions { padding: 16px; }
    .qr-access-banner { flex-wrap: wrap; padding: 12px; }
    .qr-access-banner > div { flex: 1; min-width: 0; overflow-wrap: anywhere; }
    .qr-access-banner > .btn { width: 100%; }
    .download-row { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .field-label-row { gap: 4px; }
}

/* ---------- Bootstrap Icons in buttons and motion ---------- */

/* Specificity zero so positioned buttons (password toggle, modal close) keep their own position. */
:where(.btn) { position: relative; overflow: hidden; isolation: isolate; }

.btn .bi, .text-button .bi, .dropdown-item .bi, .tool-tab .bi {
    display: inline-block;
    font-size: 1.0625em;
    line-height: 1;
    flex-shrink: 0;
    transition: transform 260ms var(--ease-out), color 150ms ease;
}
.btn-icon .bi { font-size: 16px; }
.btn-lg .bi { font-size: 1.125rem; }
.btn.is-loading .bi { display: none; }
.dropdown-item .bi { font-size: 16px; color: var(--gray-9); }
.dropdown-item.text-danger .bi { color: var(--danger-9); }
.tool-tab[aria-selected="true"] .bi { color: var(--accent-9); }
.text-button .bi { margin-right: 4px; }

/* Lift on hover, press back down on click. Icon buttons stay in place. */
.btn:not(.btn-icon):not(.btn-ghost):not(:disabled):not(.disabled):not(:active):hover { transform: translateY(-1px); }
.btn-primary:not(:disabled):hover { box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.14), 0 6px 16px -6px rgba(79, 70, 229, 0.55); }
.btn-secondary:not(:disabled):hover { box-shadow: var(--shadow-md); }
.btn-danger:not(:disabled):hover { box-shadow: 0 6px 16px -6px rgba(220, 38, 38, 0.5); }

/* Light sweep across primary buttons. */
.btn-primary::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background: linear-gradient(110deg, transparent 30%, rgba(255, 255, 255, 0.28) 50%, transparent 70%);
    transform: translateX(-120%);
    pointer-events: none;
}
.btn-primary:not(:disabled):hover::after { transform: translateX(120%); transition: transform 700ms var(--ease-out); }

/* Press ripple added by app.js. */
.btn-ripple {
    position: absolute;
    z-index: -1;
    border-radius: 50%;
    background: currentColor;
    opacity: 0.18;
    transform: scale(0);
    pointer-events: none;
    animation: btn-ripple 520ms var(--ease-out) forwards;
}
@keyframes btn-ripple { to { transform: scale(1); opacity: 0; } }

/* Icon motion that matches what the button does. */
.btn:hover .bi, .dropdown-item:hover .bi, .text-button:hover .bi { transform: scale(1.12); }
.btn:hover .bi-arrow-right, .btn:hover .bi-chevron-right, .btn:hover .bi-box-arrow-in-right, .btn:hover .bi-box-arrow-right, .dropdown-item:hover .bi-box-arrow-in-right { transform: translateX(3px); }
.btn:hover .bi-arrow-left, .btn:hover .bi-chevron-left { transform: translateX(-3px); }
.btn:hover .bi-box-arrow-up-right, .dropdown-item:hover .bi-box-arrow-up-right, .btn:hover .bi-send { transform: translate(2px, -2px); }
.btn:hover .bi-arrow-down-short { transform: translateY(2px); }
.btn:hover .bi-plus-lg, .btn:hover .bi-x-lg { transform: rotate(90deg); }
.btn:hover .bi-shuffle { transform: rotate(180deg); }
.btn:hover .bi-pencil-square, .dropdown-item:hover .bi-pencil-square { transform: rotate(-12deg) scale(1.08); }
.btn:hover .bi-download, .btn:hover [class*="bi-filetype-"], .btn:hover .bi-file-earmark-image, .dropdown-item:hover .bi-download { animation: icon-drop 700ms var(--ease-out); }
.btn:hover .bi-trash3, .dropdown-item:hover .bi-trash3 { animation: icon-wiggle 480ms ease-in-out; }
.btn:hover .bi-unlock, .btn:hover .bi-bell { animation: icon-wiggle 480ms ease-in-out; }
.btn:hover .bi-magic, .btn:hover .bi-lightning-charge { animation: icon-sparkle 720ms var(--ease-out); }
.btn:hover .bi-copy { transform: translate(-1px, -1px) scale(1.08); }
.btn:hover .bi-compass, .text-button:hover .bi-compass { transform: rotate(45deg); }
.bi.is-copied { color: var(--success-9, #16a34a); animation: icon-pop 360ms var(--ease-out); }
.btn-primary .bi.is-copied { color: inherit; }

@keyframes icon-drop { 0% { transform: translateY(0); } 35% { transform: translateY(3px); } 60% { transform: translateY(-1px); } 100% { transform: translateY(0); } }
@keyframes icon-wiggle { 0%, 100% { transform: rotate(0); } 25% { transform: rotate(-12deg); } 60% { transform: rotate(10deg); } }
@keyframes icon-sparkle { 0% { transform: rotate(0) scale(1); } 45% { transform: rotate(-18deg) scale(1.2); } 100% { transform: rotate(0) scale(1.1); } }
@keyframes icon-pop { 0% { transform: scale(0.6); } 60% { transform: scale(1.2); } 100% { transform: scale(1); } }

/* Entrance for cards on sign-in, sign-up, error and message pages. */
.auth-card, .public-card, .page-hero .site-container { animation: enter-up 560ms var(--ease-out) backwards; }

/* Public page sections slide in as they scroll into view (classes added by app.js). */
.reveal { opacity: 0; }
.reveal.is-revealed { opacity: 1; animation: enter-up 640ms var(--ease-out) var(--reveal-delay, 0ms) backwards; }

@keyframes enter-up { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: translateY(0); } }

@media (prefers-reduced-motion: reduce) {
    .btn .bi, .text-button .bi, .dropdown-item .bi, .tool-tab .bi { transition: none; animation: none !important; transform: none !important; }
    .btn:hover { transform: none !important; }
    .btn-primary::after, .btn-ripple { display: none; }
    .auth-card, .public-card, .page-hero .site-container, .reveal.is-revealed { animation: none; }
    .reveal { opacity: 1; }
}