/* ═══════════════════════════════════════════════════════════
   SynoForce URL Shortener — Main Stylesheet
   Brand: SynoForce — Dark theme
   ═══════════════════════════════════════════════════════════ */

/* ── CSS Custom Properties ─────────────────────────────── */
:root {
    /* SynoForce Primary */
    --primary: #01A2FD;
    --primary-hover: #4ABCFE;
    --primary-light: rgba(1, 162, 253, 0.15);
    --primary-shadow: 0 4px 12px rgba(1, 162, 253, 0.3);

    /* SynoForce Dark */
    --bg-primary: #070C17;
    --bg-secondary: #0E182E;
    --bg-card: #0E182E;
    --bg-card-hover: #162040;
    --bg-sidebar: #0A1020;
    --bg-input: #0E182E;
    --bg-input-focus: #162040;
    --bg-overlay: rgba(7, 12, 23, 0.7);

    /* SynoForce Text */
    --text-primary: #FFFFFF;
    --text-secondary: #A0AEC0;
    --text-muted: #6B7280;
    --text-heading: #FFFFFF;

    /* SynoForce Accent */
    --accent: #01A2FD;
    --accent-hover: #4ABCFE;
    --accent-light: rgba(1, 162, 253, 0.15);
    --accent-cyan: #2DE2E6;
    --accent-cyan-light: rgba(45, 226, 230, 0.15);

    /* Status */
    --success: #10B981;
    --success-bg: rgba(16, 185, 129, 0.15);
    --warning: #F59E0B;
    --warning-bg: rgba(245, 158, 11, 0.15);
    --error: #EF4444;
    --error-bg: rgba(239, 68, 68, 0.15);
    --info: #01A2FD;
    --info-bg: rgba(1, 162, 253, 0.15);

    /* Borders */
    --border: #253E74;
    --border-light: #2D4A8A;
    --border-focus: #01A2FD;

    /* Admin accent */
    --admin-accent: #4ABCFE;
    --admin-accent-hover: #01A2FD;

    /* Radius */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.4);

    /* Layout */
    --sidebar-width: 250px;
    --topbar-height: 60px;

    /* Misc */
    --transition: 150ms ease;
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-mono: 'SF Mono', 'Fira Code', 'Fira Mono', 'Roboto Mono', monospace;

    /* Gradient */
    --gradient-primary: linear-gradient(135deg, #01A2FD 0%, #4ABCFE 100%);
    --gradient-dark: linear-gradient(135deg, #253E74 0%, #0E182E 100%);
}

/* ── Reset & Base ──────────────────────────────────────── */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

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

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

h1, h2, h3, h4, h5, h6 {
    color: var(--text-heading);
    font-weight: 600;
    line-height: 1.3;
}

h1 { font-size: 1.875rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.125rem; }

ul, ol { list-style: none; }

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ── Form Elements ─────────────────────────────────────── */
input, select, textarea, .input {
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    color: var(--text-primary);
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 0.625rem 0.875rem;
    width: 100%;
    transition: border-color var(--transition), background var(--transition);
    outline: none;
}

input:focus, select:focus, textarea:focus, .input:focus {
    border-color: var(--border-focus);
    background: var(--bg-input-focus);
}

input::placeholder, textarea::placeholder {
    color: var(--text-muted);
}

input[type="color"] {
    padding: 4px;
    height: 42px;
    cursor: pointer;
}

.input--select {
    cursor: pointer;
    appearance: auto;
}

.input--textarea {
    min-height: 100px;
    resize: vertical;
}

.input--error {
    border-color: var(--error);
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 0.375rem;
}

label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 0.375rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group--half {
    flex: 1;
    min-width: 0;
}

.form-group--error .form-input,
.form-group--error .input {
    border-color: var(--error);
}

.form-group--row {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.form-hint {
    font-size: 0.8125rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

.form-hint--warning {
    color: var(--warning, #F59E0B);
}

.form-error {
    font-size: 0.8125rem;
    color: var(--error);
    margin-top: 0.25rem;
}

.form-group__error {
    font-size: 0.8125rem;
    color: var(--error);
    margin-top: 0.25rem;
}

.form-row {
    display: flex;
    gap: 1rem;
}

.form-actions {
    display: flex;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.form-input {
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    color: var(--text-primary);
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 0.625rem 0.875rem;
    width: 100%;
    transition: border-color var(--transition), background var(--transition);
    outline: none;
}

.form-input:focus {
    border-color: var(--border-focus);
    background: var(--bg-input-focus);
}

.form-input::placeholder {
    color: var(--text-muted);
}

.form-checkbox {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
    cursor: pointer;
}

.form-checkbox input[type="checkbox"] {
    width: auto;
    accent-color: var(--accent);
}

.form-checkbox__label {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Toggle switch */
.toggle {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
}

.toggle input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle__slider {
    position: absolute;
    cursor: pointer;
    top: 0; left: 0; right: 0; bottom: 0;
    background: var(--border);
    border-radius: 24px;
    transition: var(--transition);
}

.toggle__slider::before {
    content: "";
    position: absolute;
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background: white;
    border-radius: 50%;
    transition: var(--transition);
}

.toggle input:checked + .toggle__slider {
    background: var(--accent);
}

.toggle input:checked + .toggle__slider::before {
    transform: translateX(20px);
}

.toggle-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border);
}

.toggle-inline {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* ── Buttons ───────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
    font-weight: 500;
    font-family: var(--font-sans);
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
    line-height: 1.4;
    white-space: nowrap;
    color: var(--text-primary);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn--primary {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
    box-shadow: var(--primary-shadow);
}

.btn--primary:hover:not(:disabled) {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
    color: #fff;
}

.btn--secondary {
    background: transparent;
    color: var(--text-primary);
    border-color: var(--border);
}

.btn--secondary:hover:not(:disabled) {
    background: var(--bg-card);
    border-color: var(--border-light);
    color: var(--text-primary);
}

.btn--ghost {
    background: transparent;
    color: var(--text-secondary);
    border-color: transparent;
}

.btn--ghost:hover:not(:disabled) {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.btn--danger {
    background: var(--error);
    color: #fff;
    border-color: var(--error);
}

.btn--danger:hover:not(:disabled) {
    background: #dc2626;
    border-color: #dc2626;
    color: #fff;
}

.btn--success {
    background: var(--success);
    color: #fff;
    border-color: var(--success);
}

.btn--warning {
    background: var(--warning);
    color: #fff;
    border-color: var(--warning);
}

.btn--info {
    background: var(--info);
    color: #fff;
    border-color: var(--info);
}

.btn--sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.8125rem;
}

.btn--lg {
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
}

.btn--block {
    display: flex;
    width: 100%;
}

.btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.375rem;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
    font-size: 1rem;
}

.btn-icon:hover {
    color: var(--accent);
    background: var(--accent-light);
}

.btn-icon--sm {
    padding: 0.25rem;
    font-size: 0.875rem;
}

.btn-icon--danger:hover {
    color: var(--error);
    background: var(--error-bg);
}

/* ── Cards ─────────────────────────────────────────────── */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.card__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border);
}

.card__title {
    font-size: 1rem;
    font-weight: 600;
}

.card__body {
    padding: 1.5rem;
}

.card__footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border);
}

.card--form {
    max-width: 640px;
}

.card--danger {
    border-color: rgba(239, 68, 68, 0.3);
}

.card--danger .card__header {
    border-bottom-color: rgba(239, 68, 68, 0.3);
}

/* Stat Cards */
.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.25rem 1.5rem;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
}

.stat-card__icon {
    font-size: 1.5rem;
    opacity: 0.7;
    flex-shrink: 0;
}

.stat-card__body {
    display: flex;
    flex-direction: column;
}

.stat-card__number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-heading);
    line-height: 1.2;
}

.stat-card__label {
    font-size: 0.8125rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: 0.25rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.stats-grid--compact {
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
}

/* ── Admin Dashboard Layout ───────────────────────────── */
.admin-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.admin-grid {
    display: grid;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.admin-grid--2col {
    grid-template-columns: repeat(2, 1fr);
}

.stat-card--accent {
    border-color: var(--border-light);
    background: linear-gradient(135deg, var(--bg-card) 0%, rgba(1, 162, 253, 0.04) 100%);
}

.stat-card--accent .stat-card__icon {
    font-size: 2rem;
    opacity: 0.3;
}

.stat-card__secondary {
    font-size: 1.25rem;
    font-weight: 400;
    color: var(--text-muted);
}

.card__subtitle {
    font-size: 0.8125rem;
    color: var(--text-muted);
}

.card__link {
    font-size: 0.8125rem;
    color: var(--accent);
    text-decoration: none;
    transition: color var(--transition);
}

.card__link:hover {
    color: var(--accent-hover);
}

.card__body--chart {
    padding: 1rem 1.5rem 1.25rem;
    min-height: 220px;
}

.card__body--flush {
    padding: 0;
}

.card__body--flush .table-responsive {
    border: 0;
    border-radius: 0;
}

.table--compact th,
.table--compact td {
    padding: 0.625rem 1rem;
    font-size: 0.875rem;
}

@media (max-width: 1024px) {
    .admin-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .admin-grid--2col {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .admin-stats {
        grid-template-columns: 1fr;
    }
}

/* ── Tables ────────────────────────────────────────────── */
.table-responsive {
    overflow-x: auto;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
}

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.table thead {
    background: var(--bg-secondary);
}

.table th {
    text-align: left;
    padding: 0.75rem 1rem;
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

.table td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border);
    color: var(--text-primary);
    vertical-align: middle;
}

.table tbody tr:hover {
    background: var(--bg-card-hover);
}

.table tbody tr:last-child td {
    border-bottom: none;
}

.table--compact td,
.table--compact th {
    padding: 0.5rem 0.75rem;
}

.actions-cell {
    display: flex;
    gap: 0.25rem;
    align-items: center;
}

.inline-form {
    display: inline;
}

.short-url-cell {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.text-truncate {
    max-width: 300px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ── Badges ────────────────────────────────────────────── */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.2rem 0.6rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 9999px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.badge--success { background: var(--success-bg); color: var(--success); }
.badge--warning { background: var(--warning-bg); color: var(--warning); }
.badge--danger { background: var(--error-bg); color: var(--error); }
.badge--info { background: var(--info-bg); color: var(--info); }
.badge--admin { background: var(--accent-light); color: var(--accent); }
.badge--neutral { background: rgba(160, 174, 192, 0.15); color: var(--text-secondary); }

/* ── Links ─────────────────────────────────────────────── */
.link {
    text-decoration: none;
    transition: color var(--transition);
}

.link--primary {
    color: var(--accent);
}

.link--primary:hover {
    color: var(--accent-hover);
}

/* ── Dashboard Layout ─────────────────────────────────── */
.dashboard {
    display: flex;
    min-height: 100vh;
}

/* ── Sidebar ──────────────────────────────────────────── */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
    transition: transform var(--transition);
}

.sidebar__header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border);
}

.sidebar__logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: var(--text-heading);
    font-size: 1.125rem;
    font-weight: 700;
}

.sidebar__logo-icon {
    font-size: 1.25rem;
}

.sidebar__logo-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.sidebar__nav {
    flex: 1;
    padding: 0.75rem 0;
    overflow-y: auto;
}

.sidebar__menu {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar__item {
    margin: 0;
}

.sidebar__link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.625rem 1.5rem;
    color: var(--text-secondary);
    font-size: 0.9375rem;
    transition: all var(--transition);
    border-left: 3px solid transparent;
    text-decoration: none;
    background: none;
    border-top: none;
    border-right: none;
    border-bottom: none;
    width: 100%;
    cursor: pointer;
    font-family: var(--font-sans);
}

.sidebar__link:hover {
    color: var(--text-primary);
    background: rgba(1, 162, 253, 0.05);
}

.sidebar__link--active {
    color: var(--accent);
    background: var(--accent-light);
    border-left-color: var(--accent);
}

.sidebar__link--admin {
    color: var(--accent-cyan);
}

.sidebar__link--admin.sidebar__link--active {
    color: var(--accent-cyan);
    background: var(--accent-cyan-light);
    border-left-color: var(--accent-cyan);
}

.sidebar__link--back {
    color: var(--text-muted);
}

.sidebar__link--logout {
    color: var(--text-muted);
}

.sidebar__link--logout:hover {
    color: var(--error);
}

.sidebar__link-icon {
    width: 1.25rem;
    text-align: center;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.sidebar__footer {
    padding: 0.5rem 0;
    border-top: 1px solid var(--border);
}

.sidebar__logout-form {
    margin: 0;
}

.sidebar__divider {
    height: 1px;
    background: var(--border);
    margin: 0.5rem 1.5rem;
}

/* Admin sidebar */
.sidebar--admin .sidebar__link--active {
    color: var(--accent-cyan);
    background: var(--accent-cyan-light);
    border-left-color: var(--accent-cyan);
}

.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-overlay);
    z-index: 90;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition);
}

.sidebar-overlay--visible {
    opacity: 1;
    pointer-events: auto;
}

/* ── Dashboard Main ───────────────────────────────────── */
.dashboard__main {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.dashboard__content {
    padding: 1.5rem;
    width: 100%;
    max-width: 1600px;
    margin: 0 auto;
    flex: 1;
}

.dashboard-grid {
    display: grid;
    gap: 1.5rem;
}

.dashboard-grid--2col {
    grid-template-columns: repeat(2, 1fr);
}

@media (max-width: 768px) {
    .dashboard-grid--2col {
        grid-template-columns: 1fr;
    }
}

/* ── Topbar ───────────────────────────────────────────── */
.topbar {
    height: var(--topbar-height);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    padding: 0 1.5rem;
    background: var(--bg-primary);
    position: sticky;
    top: 0;
    z-index: 50;
}

.topbar__hamburger {
    display: none;
    flex-direction: column;
    gap: 4px;
    padding: 0.5rem;
    background: none;
    border: none;
    cursor: pointer;
}

.topbar__hamburger-line {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition);
}

.topbar__spacer {
    flex: 1;
}

.topbar__user {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.topbar__username {
    font-weight: 500;
    color: var(--text-primary);
}

.topbar__avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 600;
    font-size: 0.875rem;
}

.topbar__avatar--admin {
    background: var(--accent-cyan);
    color: var(--bg-primary);
}

.topbar--admin {
    border-bottom-color: var(--border);
}

/* ── Page Header ──────────────────────────────────────── */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.page-header__title {
    font-size: 1.5rem;
    font-weight: 700;
}

.page-header__subtitle {
    font-size: 0.9375rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

.page-header__actions {
    display: flex;
    gap: 0.75rem;
}

/* Settings sections */
.settings-sections {
    display: grid;
    gap: 1.5rem;
}

/* ── Auth Layout ───────────────────────────────────────── */
.auth-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 2rem;
    background: var(--bg-primary);
}

.auth-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 420px;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.auth-card__header {
    text-align: center;
    padding: 2rem 2.5rem 0;
}

.auth-card__logo {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: var(--text-heading);
    font-size: 1.5rem;
    font-weight: 700;
}

.auth-card__logo-icon {
    font-size: 1.75rem;
}

.auth-card__logo-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.auth-card__subtitle {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

.auth-card__body {
    padding: 2rem 2.5rem;
}

.auth-card__footer {
    text-align: center;
    padding: 0 2.5rem 2rem;
}

.auth-card__home-link {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.auth-card__home-link:hover {
    color: var(--accent);
}

/* Auth form */
.auth-form {
    margin-top: 0;
}

.auth-form__title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.auth-form__subtitle {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.auth-form__footer {
    text-align: center;
    margin-top: 1.5rem;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.auth-form__link {
    color: var(--accent);
    font-size: 0.875rem;
}

.auth-form__link:hover {
    color: var(--accent-hover);
}

/* ── Homepage ──────────────────────────────────────────── */
.homepage {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.homepage__header {
    border-bottom: 1px solid var(--border);
}

.homepage__nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1100px;
    margin: 0 auto;
    padding: 1rem 1.5rem;
}

.homepage__logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: var(--text-heading);
    font-size: 1.25rem;
    font-weight: 700;
}

.homepage__logo-icon {
    font-size: 1.5rem;
}

.homepage__logo-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.homepage__nav-links {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

/* Hero */
.hero {
    text-align: center;
    padding: 5rem 1.5rem 3rem;
    max-width: 700px;
    margin: 0 auto;
}

.hero__title {
    font-size: 2.75rem;
    font-weight: 800;
    margin-bottom: 0.75rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.hero__subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

/* Shorten Form */
.shorten-form {
    max-width: 600px;
    margin: 0 auto 2rem;
}

.shorten-form__group {
    display: flex;
    gap: 0.75rem;
}

.shorten-form__input {
    flex: 1;
    padding: 0.875rem 1rem;
    font-size: 1rem;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    outline: none;
    font-family: var(--font-sans);
    transition: border-color var(--transition);
}

.shorten-form__input:focus {
    border-color: var(--border-focus);
}

.shorten-form__input::placeholder {
    color: var(--text-muted);
}

.shorten-form__btn {
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
    flex-shrink: 0;
}

.shorten-form__error {
    color: var(--error);
    font-size: 0.8125rem;
    margin-top: 0.5rem;
}

/* Features */
.features {
    padding: 3rem 1.5rem;
    max-width: 1000px;
    margin: 0 auto;
}

.features__heading {
    text-align: center;
    font-size: 1.5rem;
    margin-bottom: 2rem;
}

.features__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.25rem;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    transition: border-color var(--transition);
}

.feature-card:hover {
    border-color: var(--border-light);
}

.feature-card__icon {
    font-size: 1.5rem;
    display: block;
    margin-bottom: 0.75rem;
}

.feature-card__title {
    font-size: 1rem;
    margin-bottom: 0.375rem;
}

.feature-card__desc {
    font-size: 0.8125rem;
    color: var(--text-muted);
    line-height: 1.5;
}

/* CTA Section */
.cta-section {
    text-align: center;
    padding: 4rem 1.5rem;
    border-top: 1px solid var(--border);
    margin-top: 2rem;
}

.cta-section__heading {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

.cta-section__text {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    max-width: 450px;
    margin-left: auto;
    margin-right: auto;
}

/* Footer */
.homepage__footer {
    border-top: 1px solid var(--border);
    padding: 2rem 1.5rem;
    margin-top: auto;
}

.homepage__footer-inner {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.homepage__footer-brand {
    font-weight: 700;
    color: var(--text-heading);
}

.homepage__footer-links {
    display: flex;
    gap: 1.5rem;
}

.homepage__footer-links a {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.homepage__footer-links a:hover {
    color: var(--accent);
}

.homepage__footer-copy {
    font-size: 0.8125rem;
    color: var(--text-muted);
}

/* ── Result Page ───────────────────────────────────────── */
.result-section {
    padding: 3rem 1.5rem;
}

.result-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    max-width: 520px;
    margin: 0 auto;
    text-align: center;
}

.result-card__badge {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    background: var(--success-bg);
    color: var(--success);
    padding: 0.375rem 1rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.result-card__heading {
    font-size: 1.25rem;
    margin-bottom: 1.25rem;
}

.result-card__url-box {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 1rem 1.25rem;
    margin-bottom: 1rem;
}

.result-card__url {
    font-family: var(--font-mono);
    font-size: 1.125rem;
    color: var(--accent);
    word-break: break-all;
}

.result-card__copy {
    flex-shrink: 0;
}

.result-card__copy-text {
    font-size: 0.8125rem;
}

.result-card__original {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.result-card__label {
    font-weight: 500;
    color: var(--text-secondary);
}

.result-card__original-url {
    word-break: break-all;
}

.result-card__expiry {
    font-size: 0.85rem;
    color: var(--warning, #F59E0B);
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.25);
    border-radius: var(--radius-md);
    padding: 0.75rem 1rem;
    margin-bottom: 1.5rem;
}

.result-card__expiry a {
    color: var(--accent);
    font-weight: 500;
}

.result-card__expiry a:hover {
    text-decoration: underline;
}

.result-card__qr {
    margin: 1.5rem 0;
}

.result-card__qr-heading {
    font-size: 0.9375rem;
    margin-bottom: 0.75rem;
    color: var(--text-secondary);
}

.result-card__qr-img {
    background: #fff;
    border-radius: var(--radius-md);
    padding: 0.75rem;
    display: inline-block;
}

.result-card__actions {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
    margin-top: 1.5rem;
    flex-wrap: wrap;
}

/* ── QR Page ───────────────────────────────────────────── */
.qr-page {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.qr-page__preview {
    text-align: center;
}

.qr-page__url {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--accent);
    margin-bottom: 1rem;
    word-break: break-all;
}

.qr-page__image {
    display: flex;
    justify-content: center;
    margin-bottom: 1rem;
}

.qr-page__img {
    background: #fff;
    border-radius: var(--radius-md);
    padding: 1rem;
}

.qr-page__downloads {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
}

.qr-page__options {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.qr-presets {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
}

.qr-presets__btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 0.8rem;
    font-family: var(--font-sans);
    cursor: pointer;
    transition: all var(--transition);
}

.qr-presets__btn:hover {
    border-color: var(--accent);
    color: var(--text-primary);
    background: var(--bg-secondary);
}

.qr-presets__swatch {
    display: inline-block;
    width: 18px;
    height: 18px;
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

/* ── Alerts ────────────────────────────────────────────── */
.alert {
    padding: 1rem 1.25rem;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    margin-bottom: 1.25rem;
    border: 1px solid;
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
}

.alert--success { background: var(--success-bg); color: var(--success); border-color: rgba(16, 185, 129, 0.3); }
.alert--error { background: var(--error-bg); color: var(--error); border-color: rgba(239, 68, 68, 0.3); }
.alert--warning { background: var(--warning-bg); color: var(--warning); border-color: rgba(245, 158, 11, 0.3); }
.alert--info { background: var(--info-bg); color: var(--info); border-color: rgba(1, 162, 253, 0.3); }

.alert__icon {
    flex-shrink: 0;
    font-weight: 700;
}

.alert__content {
    flex: 1;
}

/* ── Toast Notifications ───────────────────────────────── */
#toast-container {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    max-width: 400px;
}

.toast {
    padding: 0.875rem 1.25rem;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    box-shadow: var(--shadow-lg);
    animation: toast-in 0.3s ease forwards;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border: 1px solid;
}

.toast--success,
.toast-success {
    background: var(--success-bg);
    color: var(--success);
    border-color: rgba(16, 185, 129, 0.3);
}

.toast--error,
.toast-error {
    background: var(--error-bg);
    color: var(--error);
    border-color: rgba(239, 68, 68, 0.3);
}

.toast--warning,
.toast-warning {
    background: var(--warning-bg);
    color: var(--warning);
    border-color: rgba(245, 158, 11, 0.3);
}

.toast--info,
.toast-info {
    background: var(--info-bg);
    color: var(--info);
    border-color: rgba(1, 162, 253, 0.3);
}

.toast__icon {
    flex-shrink: 0;
    font-weight: 700;
}

.toast__message {
    flex: 1;
}

.toast__close {
    background: none;
    border: none;
    color: inherit;
    cursor: pointer;
    font-size: 1.25rem;
    padding: 0 0.25rem;
    opacity: 0.7;
}

.toast__close:hover {
    opacity: 1;
}

@keyframes toast-in {
    from { opacity: 0; transform: translateX(100%); }
    to { opacity: 1; transform: translateX(0); }
}

.toast-out {
    animation: toast-out 0.3s ease forwards;
}

@keyframes toast-out {
    from { opacity: 1; transform: translateX(0); }
    to { opacity: 0; transform: translateX(100%); }
}

/* ── Pagination ────────────────────────────────────────── */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
    margin-top: 1.5rem;
}

.pagination__link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--transition);
}

.pagination__link:hover {
    background: var(--bg-card);
    color: var(--text-primary);
}

.pagination__link--active {
    background: var(--accent);
    color: #fff;
}

.pagination__link--disabled {
    opacity: 0.4;
    pointer-events: none;
}

/* ── Filters Bar ───────────────────────────────────────── */
.filters-bar {
    margin-bottom: 1.25rem;
}

.filters-bar__form {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    align-items: center;
}

.filters-bar__search {
    flex: 1;
    min-width: 200px;
    max-width: 300px;
}

.filters-bar__group {
    min-width: 150px;
}

.filters-bar__group select {
    max-width: 180px;
}

/* ── Period Tabs ───────────────────────────────────────── */
.period-tabs {
    display: flex;
    gap: 0.25rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    padding: 0.25rem;
    margin-bottom: 1.5rem;
    width: fit-content;
}

.period-tabs__tab {
    padding: 0.5rem 1rem;
    font-size: 0.8125rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    transition: all var(--transition);
    text-decoration: none;
}

.period-tabs__tab:hover {
    color: var(--text-primary);
}

.period-tabs__tab--active {
    background: var(--bg-card);
    color: var(--text-primary);
    box-shadow: var(--shadow-sm);
}

/* ── Analytics ─────────────────────────────────────────── */
.analytics-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.analytics-grid__left,
.analytics-grid__right {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* ── Charts ────────────────────────────────────────────── */
.chart-container {
    position: relative;
    width: 100%;
}

.chart-container canvas {
    max-height: 300px;
}

/* ── Log Viewer ────────────────────────────────────────── */
/* ── Log Viewer Toolbar ─────────────────────────────────── */
.log-toolbar {
    display: flex;
    gap: 1rem;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.log-filters {
    display: flex;
    gap: 0.375rem;
    align-items: center;
    flex-wrap: wrap;
}

.log-filter-btn {
    display: inline-block;
    padding: 0.25rem 0.625rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    background: transparent;
    text-decoration: none;
    transition: all 0.15s;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.log-filter-btn:hover {
    border-color: var(--border-light);
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.03);
}

.log-filter-btn--active {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}

.log-filter-btn--active:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
}

.log-filter-btn--warning { border-color: rgba(245, 158, 11, 0.3); }
.log-filter-btn--warning.log-filter-btn--active { background: var(--warning); border-color: var(--warning); color: #000; }
.log-filter-btn--error { border-color: rgba(239, 68, 68, 0.3); }
.log-filter-btn--error.log-filter-btn--active { background: var(--error); border-color: var(--error); }
.log-filter-btn--critical { border-color: rgba(239, 68, 68, 0.3); }
.log-filter-btn--critical.log-filter-btn--active { background: var(--error); border-color: var(--error); }

.log-search__form {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.log-search__form .input--sm {
    height: 2rem;
    font-size: 0.8125rem;
    padding: 0.25rem 0.75rem;
    min-width: 200px;
}

/* ── Log Viewer Container ──────────────────────────────── */
.log-viewer {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    font-family: 'SF Mono', 'Fira Code', 'JetBrains Mono', 'Cascadia Code', monospace;
    font-size: 0.8rem;
    line-height: 1.5;
    flex: 1;
    min-height: 0;
    overflow: auto;
}

.log-viewer__empty {
    padding: 3rem;
    text-align: center;
    color: var(--text-muted);
}

/* Make log page fill full height */
.log-page-wrap {
    display: flex;
    flex-direction: column;
    height: calc(100vh - 80px);
    min-height: 400px;
}

/* ── Individual Log Line ───────────────────────────────── */
.log-line {
    padding: 0.25rem 1rem;
    display: flex;
    gap: 0.625rem;
    align-items: baseline;
    white-space: nowrap;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    position: relative;
}

.log-line:hover {
    background: rgba(255, 255, 255, 0.02);
}

.log-line__time {
    color: var(--text-muted);
    white-space: nowrap;
    flex-shrink: 0;
    font-size: 0.75rem;
    min-width: 60px;
    cursor: default;
}

.log-line__level {
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.6875rem;
    letter-spacing: 0.04em;
    padding: 0.0625rem 0.4375rem;
    border-radius: 3px;
    flex-shrink: 0;
    min-width: 58px;
    text-align: center;
    display: inline-block;
}

.log-line__channel {
    color: var(--accent-cyan);
    font-size: 0.75rem;
    flex-shrink: 0;
    opacity: 0.7;
}

.log-line__msg {
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex: 1;
    min-width: 0;
}

.log-line__msg:hover {
    white-space: normal;
    word-break: break-word;
}

/* Level colors */
.log-line--debug .log-line__level { color: var(--text-muted); background: rgba(107, 114, 128, 0.15); }
.log-line--info .log-line__level { color: var(--success); background: var(--success-bg); }
.log-line--notice .log-line__level { color: var(--accent); background: var(--accent-light); }
.log-line--warning .log-line__level { color: var(--warning); background: var(--warning-bg); }
.log-line--warning { background: rgba(245, 158, 11, 0.03); }
.log-line--error .log-line__level { color: var(--error); background: var(--error-bg); }
.log-line--error { background: rgba(239, 68, 68, 0.04); }
.log-line--critical .log-line__level { color: #fff; background: var(--error); font-weight: 900; }
.log-line--critical { background: var(--error-bg); }
.log-line--alert .log-line__level { color: #fff; background: var(--error); }
.log-line--alert { background: var(--error-bg); }
.log-line--emergency .log-line__level { color: #fff; background: var(--error); animation: pulse-bg 1.5s infinite; }
.log-line--emergency { background: var(--error-bg); }
.log-line--unknown .log-line__level { color: var(--text-muted); background: rgba(107, 114, 128, 0.1); }

/* Inline context key=value pairs */
.log-line__ctx-inline {
    color: var(--text-muted);
    font-size: 0.75rem;
}

.log-line__ctx-key {
    color: var(--accent-cyan);
    opacity: 0.7;
}

.log-line__ctx-val {
    color: var(--text-secondary);
}

@keyframes pulse-bg {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

/* Legacy log-entry classes (keep for backwards compat) */
.log-container {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    max-height: 70vh;
    overflow-y: auto;
    padding: 0.5rem;
}

.log-entry {
    padding: 0.375rem 0.75rem;
    border-radius: var(--radius-sm);
    display: flex;
    gap: 0.75rem;
    align-items: flex-start;
}

.log-entry:hover {
    background: rgba(255, 255, 255, 0.03);
}

.log-entry__time {
    color: var(--text-muted);
    white-space: nowrap;
    flex-shrink: 0;
}

.log-entry__level {
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.75rem;
    min-width: 70px;
    flex-shrink: 0;
}

.log-entry__message {
    word-break: break-all;
    white-space: pre-wrap;
}

.log-entry__context {
    color: var(--text-muted);
    font-size: 0.75rem;
}

.log-entry--debug .log-entry__level { color: var(--text-muted); }
.log-entry--info .log-entry__level { color: var(--success); }
.log-entry--warning .log-entry__level { color: var(--warning); }
.log-entry--error .log-entry__level { color: var(--error); }
.log-entry--critical .log-entry__level { color: var(--error); font-weight: 900; }
.log-entry--critical { background: var(--error-bg); }

/* ── Empty State ───────────────────────────────────────── */
.empty-state {
    text-align: center;
    padding: 2rem 1rem;
    color: var(--text-muted);
}

.empty-state-box {
    text-align: center;
    padding: 4rem 1.5rem;
}

.empty-state-box__icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.empty-state-box__title {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.empty-state-box__text {
    color: var(--text-muted);
    margin-bottom: 1.25rem;
    font-size: 0.9375rem;
}

/* ── API Key Display ───────────────────────────────────── */
.api-key-display {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 0.75rem 1rem;
}

.api-key-display__key {
    flex: 1;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--accent);
    word-break: break-all;
}

.copy-key-btn {
    flex-shrink: 0;
}

/* ── Minimal Page (password, expired, 404) ─────────────── */
.minimal-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 2rem;
}

.minimal-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    max-width: 420px;
    width: 100%;
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.minimal-card__brand {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    text-decoration: none;
    color: var(--text-heading);
    font-weight: 700;
    font-size: 1.25rem;
}

.minimal-card__brand-icon {
    font-size: 1.5rem;
}

.minimal-card__brand-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.minimal-card__icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.minimal-card__icon--warning {
    color: var(--warning);
}

.minimal-card__heading {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.minimal-card__text {
    color: var(--text-muted);
    font-size: 0.9375rem;
    margin-bottom: 1.5rem;
}

.minimal-card__actions {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
}

.minimal-form {
    margin-top: 1rem;
    text-align: left;
}

/* ── Modal ─────────────────────────────────────────────── */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-overlay);
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.modal {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 500px;
    box-shadow: var(--shadow-lg);
}

.modal__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border);
}

.modal__title {
    font-size: 1.125rem;
    font-weight: 600;
}

.modal__close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0.25rem;
}

.modal__close:hover {
    color: var(--text-primary);
}

.modal__body {
    padding: 1.5rem;
}

.modal__footer {
    display: flex;
    gap: 0.75rem;
    justify-content: flex-end;
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border);
}

/* ── Utilities ─────────────────────────────────────────── */
.text-muted { color: var(--text-muted); }
.text-danger { color: var(--error); }
.text-success { color: var(--success); }
.text-error { color: var(--error); }
.text-warning { color: var(--warning); }
.text-mono { font-family: var(--font-mono); }
.text-sm { font-size: 0.8125rem; }
.text-center { text-align: center; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.hidden { display: none; }

/* Also support the non-BEM btn-primary for 404 page */
.btn-primary {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
    box-shadow: var(--primary-shadow);
}

.btn-primary:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
    color: #fff;
}

/* ── Version display ───────────────────────────────────── */
.topbar__version {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.app-footer__version {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ── Responsive ────────────────────────────────────────── */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }

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

    .dashboard__main {
        margin-left: 0;
    }

    .topbar__hamburger {
        display: flex;
    }

    .hero__title {
        font-size: 2rem;
    }

    .shorten-form__group {
        flex-direction: column;
    }

    .form-row {
        flex-direction: column;
    }

    .analytics-grid {
        grid-template-columns: 1fr;
    }

    .qr-page {
        grid-template-columns: 1fr;
    }

    .filters-bar__form {
        flex-direction: column;
        align-items: stretch;
    }

    .filters-bar__search {
        max-width: 100%;
    }

    .filters-bar__group {
        min-width: 100%;
    }

    .filters-bar__group select {
        max-width: 100%;
    }

    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }

    .homepage__footer-inner {
        flex-direction: column;
        text-align: center;
    }

    .result-card {
        padding: 1.75rem;
    }

    .result-card__actions {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }

    .dashboard__content {
        padding: 1rem;
    }

    .auth-card__body {
        padding: 1.5rem;
    }

    .auth-card__header {
        padding: 1.5rem 1.5rem 0;
    }

    .auth-card__footer {
        padding: 0 1.5rem 1.5rem;
    }
}

/* ── Skip-to-content link (Task 5.1) ────────────────────── */
.skip-link {
    position: absolute;
    top: -100%;
    left: 0;
    background: var(--primary, #01A2FD);
    color: #fff;
    padding: 0.5rem 1rem;
    z-index: 9999;
    font-weight: 600;
    text-decoration: none;
    border-radius: 0 0 4px 0;
    transition: top 0.2s;
}
.skip-link:focus {
    top: 0;
}

/* ── Focus-visible styles (Task 5.4) ────────────────────── */
a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--primary, #01A2FD);
    outline-offset: 3px;
    border-radius: 3px;
}

/* ── Reduced motion (Task 7.6) ──────────────────────────── */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}

/* ── Logo image (uploaded or default SVG) ───────────────── */
.sidebar__logo-img {
    height: 26px;
    width: auto;
    max-width: 160px;
    object-fit: contain;
    display: block;
}

.auth-card__logo-img {
    height: 38px;
    width: auto;
    max-width: 200px;
    object-fit: contain;
    display: block;
}

.homepage__logo-img {
    height: 30px;
    width: auto;
    max-width: 180px;
    object-fit: contain;
    display: block;
}