/* ============================================================
   Smart NFC Reviews — Design System

   Premium editorial minimalism: warm monochrome canvas,
   flat surfaces, a single considered accent, and quiet motion.
   ============================================================ */

/* ── Google Fonts ─────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Geist:wght@400;500;600;700&family=Geist+Mono:wght@400;500;600&family=Instrument+Serif:ital@0;1&display=swap');

/* ── CSS Custom Properties ────────────────────────────────── */
:root {
    /* Canvas & surfaces — warm off-white */
    --bg-primary: #FBFBFA;
    --bg-secondary: #F7F6F3;
    --bg-card: #FFFFFF;
    --bg-card-hover: #FFFFFF;
    --bg-glass: rgba(17, 17, 17, 0.035);
    --bg-glass-hover: rgba(17, 17, 17, 0.055);
    --bg-input: #FFFFFF;

    /* Borders */
    --border-subtle: #EAEAEA;
    --border-medium: rgba(17, 17, 17, 0.14);
    --border-accent: rgba(52, 101, 56, 0.35);

    /* Text */
    --text-primary: #17181A;
    --text-secondary: #56534C;
    --text-muted: #6E6B64;
    --text-accent: #346538;

    /* Muted pastel accents — the only color allowed beyond monochrome */
    --pastel-green-bg: #EDF3EC;
    --pastel-green-text: #346538;
    --pastel-green-border: rgba(52, 101, 56, 0.18);
    --pastel-red-bg: #FDEBEC;
    --pastel-red-text: #9F2F2D;
    --pastel-red-border: rgba(159, 47, 45, 0.18);
    --pastel-blue-bg: #E1F3FE;
    --pastel-blue-text: #1F6C9F;
    --pastel-yellow-bg: #FBF3DB;
    --pastel-yellow-text: #956400;

    /* Inverted "ink" surface — brand mark, avatars, primary CTA */
    --ink-bg: #17181A;
    --ink-text: #FFFFFF;

    /* Success confirmation state */
    --success-bg: #2F6F35;
    --success-text: #FFFFFF;

    /* Danger CTA — solid, distinct from the soft pastel status badges */
    --danger-bg: #B3302D;
    --danger-text: #FFFFFF;

    /* Focus ring */
    --focus-ring: rgba(52, 101, 56, 0.12);

    /* Decorative (login background) */
    --grid-dot: rgba(23, 24, 26, 0.07);
    --login-glow: rgba(52, 101, 56, 0.06);

    /* Shadows — near-invisible, diffuse */
    --shadow-sm: 0 1px 2px rgba(23, 24, 26, 0.04);
    --shadow-md: 0 2px 8px rgba(23, 24, 26, 0.045);
    --shadow-lg: 0 6px 20px rgba(23, 24, 26, 0.06);
    --shadow-xl: 0 12px 32px rgba(23, 24, 26, 0.07);

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;

    /* Radii — crisp, restrained */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 18px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 220ms cubic-bezier(0.16, 1, 0.3, 1);
    --transition-slow: 400ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* ── Dark Theme ───────────────────────────────────────────── */
:root[data-theme="dark"] {
    --bg-primary: #0F1011;
    --bg-secondary: #17181A;
    --bg-card: #1B1C1E;
    --bg-card-hover: #1B1C1E;
    --bg-glass: rgba(255, 255, 255, 0.045);
    --bg-glass-hover: rgba(255, 255, 255, 0.075);
    --bg-input: #1B1C1E;

    --border-subtle: rgba(255, 255, 255, 0.09);
    --border-medium: rgba(255, 255, 255, 0.18);
    --border-accent: rgba(111, 191, 115, 0.4);

    --text-primary: #F2F1ED;
    --text-secondary: #ABA9A3;
    --text-muted: #8A877F;
    --text-accent: #6FBF73;

    --pastel-green-bg: rgba(111, 191, 115, 0.14);
    --pastel-green-text: #7FCB82;
    --pastel-green-border: rgba(111, 191, 115, 0.28);
    --pastel-red-bg: rgba(240, 144, 142, 0.14);
    --pastel-red-text: #F0908E;
    --pastel-red-border: rgba(240, 144, 142, 0.28);
    --pastel-blue-bg: rgba(126, 198, 239, 0.14);
    --pastel-blue-text: #7EC6EF;
    --pastel-yellow-bg: rgba(232, 184, 75, 0.14);
    --pastel-yellow-text: #E8B84B;

    --ink-bg: #6FBF73;
    --ink-text: #0F1011;

    --success-bg: #6FBF73;
    --success-text: #0F1011;

    --danger-bg: #E8726F;
    --danger-text: #1A0605;

    --focus-ring: rgba(111, 191, 115, 0.22);

    --grid-dot: rgba(255, 255, 255, 0.07);
    --login-glow: rgba(111, 191, 115, 0.12);

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 2px 10px rgba(0, 0, 0, 0.35);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.45);
    --shadow-xl: 0 16px 40px rgba(0, 0, 0, 0.55);
}

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

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

body {
    font-family: 'Geist', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
    transition: background var(--transition-slow), color var(--transition-slow);
}

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

a:hover {
    opacity: 0.8;
}

/* ── Icons ────────────────────────────────────────────────── */
.icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    display: inline-block;
    vertical-align: middle;
}

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

.sidebar {
    width: 260px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-subtle);
    padding: var(--space-xl);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
    transition: transform var(--transition-base);
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding-bottom: var(--space-xl);
    border-bottom: 1px solid var(--border-subtle);
    margin-bottom: var(--space-xl);
}

.sidebar-brand .brand-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    background: var(--ink-bg);
    color: var(--ink-text);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.sidebar-brand h1 {
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    line-height: 1.3;
}

.sidebar-brand span {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 400;
}

.sidebar-nav {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    transition: all var(--transition-fast);
    cursor: pointer;
    border: none;
    background: none;
    width: 100%;
    text-align: left;
}

.nav-link:hover {
    background: var(--bg-glass-hover);
    color: var(--text-primary);
}

.nav-link.active {
    background: var(--pastel-green-bg);
    color: var(--pastel-green-text);
}

.nav-link .nav-icon {
    width: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.nav-link .icon {
    width: 17px;
    height: 17px;
}

.sidebar-footer {
    padding-top: var(--space-lg);
    border-top: 1px solid var(--border-subtle);
}

.user-info {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-sm);
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    background: var(--ink-bg);
    color: var(--ink-text);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    font-weight: 600;
    flex-shrink: 0;
}

.user-info .user-details {
    overflow: hidden;
}

.user-info .user-name {
    font-size: 0.8125rem;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-info .user-role {
    font-size: 0.6875rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.main-content {
    flex: 1;
    margin-left: 260px;
    padding: var(--space-2xl);
    max-width: 1200px;
}

/* ── Page Header ──────────────────────────────────────────── */
.page-header {
    margin-bottom: var(--space-2xl);
}

.page-header h2 {
    font-family: 'Instrument Serif', 'Newsreader', Georgia, serif;
    font-size: 2.1rem;
    font-weight: 400;
    letter-spacing: -0.02em;
    line-height: 1.15;
    color: var(--text-primary);
}

.page-header p {
    color: var(--text-secondary);
    margin-top: var(--space-sm);
    font-size: 0.9375rem;
}

/* ── Stat Cards Grid ──────────────────────────────────────── */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    position: relative;
    overflow: hidden;
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.stat-card:hover {
    border-color: var(--border-medium);
    box-shadow: var(--shadow-md);
}

.stat-card .stat-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-lg);
}

.stat-card.accent-emerald .stat-icon { background: var(--pastel-green-bg); color: var(--pastel-green-text); }
.stat-card.accent-amber .stat-icon { background: var(--pastel-yellow-bg); color: var(--pastel-yellow-text); }
.stat-card.accent-indigo .stat-icon { background: var(--pastel-blue-bg); color: var(--pastel-blue-text); }

.stat-card .stat-label {
    font-size: 0.8125rem;
    color: var(--text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: var(--space-xs);
}

.stat-card .stat-value {
    font-family: 'Geist Mono', 'SF Mono', monospace;
    font-variant-numeric: tabular-nums;
    font-size: 2rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    line-height: 1;
    color: var(--text-primary);
}

/* ── Panels ───────────────────────────────────────────────── */
.glass-panel {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.glass-panel .panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-lg);
}

.glass-panel .panel-title {
    font-size: 1.0625rem;
    font-weight: 600;
    letter-spacing: -0.005em;
}

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

/* ── Chart Container ──────────────────────────────────────── */
.chart-container {
    position: relative;
    height: 280px;
    width: 100%;
}

/* ── Tables ───────────────────────────────────────────────── */
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
    font-variant-numeric: tabular-nums;
}

.data-table thead th {
    text-align: left;
    padding: var(--space-md) var(--space-md);
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    border-bottom: 1px solid var(--border-subtle);
}

.data-table tbody tr {
    transition: background var(--transition-fast);
}

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

.data-table tbody td {
    padding: var(--space-md) var(--space-md);
    border-bottom: 1px solid var(--border-subtle);
    color: var(--text-secondary);
    vertical-align: middle;
}

.data-table tbody td:first-child {
    color: var(--text-primary);
    font-weight: 500;
}

/* ── Badges ───────────────────────────────────────────────── */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.badge.badge-active {
    background: var(--pastel-green-bg);
    color: var(--pastel-green-text);
}

.badge.badge-inactive {
    background: var(--pastel-red-bg);
    color: var(--pastel-red-text);
}

.badge.badge-trial {
    background: var(--pastel-yellow-bg);
    color: var(--pastel-yellow-text);
}

.badge-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    display: inline-block;
    background: currentColor;
}

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 10px 20px;
    border-radius: var(--radius-md);
    font-family: 'Geist', sans-serif;
    font-size: 0.875rem;
    font-weight: 600;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.btn:active:not(:disabled) {
    transform: scale(0.98);
}

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

.btn-primary {
    background: var(--ink-bg);
    color: var(--ink-text);
}

.btn-primary:hover:not(:disabled) {
    opacity: 0.88;
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border-medium);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--bg-glass);
    border-color: var(--text-accent);
}

.btn-danger {
    /* Solid fill, not the soft pastel used by status badges — this needs
       to read as a distinct call-to-action, not blend in next to a
       badge-active pill in the same table row. */
    background: var(--danger-bg);
    color: var(--danger-text);
}

.btn-danger:hover:not(:disabled) {
    opacity: 0.85;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.75rem;
}

.btn-icon {
    padding: 8px;
    width: 36px;
    height: 36px;
}

/* ── Forms ────────────────────────────────────────────────── */
.form-group {
    margin-bottom: var(--space-lg);
}

.form-label {
    display: block;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
}

.form-input,
.form-select {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: 'Geist', sans-serif;
    font-size: 0.875rem;
    transition: all var(--transition-fast);
    outline: none;
}

.form-input:focus,
.form-select:focus {
    border-color: var(--text-accent);
    box-shadow: 0 0 0 3px var(--focus-ring);
}

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

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%239b9892' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 10px center;
    background-repeat: no-repeat;
    background-size: 20px;
    padding-right: 40px;
}

.form-select option {
    background: var(--bg-card);
    color: var(--text-primary);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}

.form-inline {
    display: flex;
    gap: var(--space-md);
    align-items: flex-end;
}

.form-inline .form-group {
    flex: 1;
    margin-bottom: 0;
}

.form-divider {
    margin: 20px 0;
    border-top: 1px solid var(--border-subtle);
}

/* ── Login Page ───────────────────────────────────────────── */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: var(--space-xl);
    position: relative;
    overflow: hidden;
}

.login-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
    z-index: 0;
}

.login-bg-grid {
    position: absolute;
    inset: -1px;
    background-image: radial-gradient(var(--grid-dot) 1px, transparent 1px);
    background-size: 28px 28px;
    -webkit-mask-image: radial-gradient(ellipse 65% 55% at 50% 42%, #000 35%, transparent 88%);
    mask-image: radial-gradient(ellipse 65% 55% at 50% 42%, #000 35%, transparent 88%);
}

.login-bg-glow {
    position: absolute;
    width: 760px;
    height: 760px;
    top: -280px;
    right: -220px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--login-glow) 0%, transparent 70%);
    animation: login-drift 24s ease-in-out infinite alternate;
}

.login-bg-ripple {
    position: absolute;
    top: 14%;
    right: 12%;
    width: 1px;
    height: 1px;
}

.login-bg-ripple span {
    position: absolute;
    top: 0;
    left: 0;
    width: 120px;
    height: 120px;
    margin: -60px 0 0 -60px;
    border-radius: 50%;
    border: 1px solid var(--text-accent);
    opacity: 0;
    animation: login-ripple 6s cubic-bezier(0.16, 1, 0.3, 1) infinite;
}

.login-bg-ripple span:nth-child(2) { animation-delay: 2s; }
.login-bg-ripple span:nth-child(3) { animation-delay: 4s; }

.login-card {
    width: 100%;
    max-width: 420px;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    position: relative;
    z-index: 1;
    box-shadow: var(--shadow-xl);
    animation: fadeInUp 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.login-card .login-brand {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.login-card .login-brand .brand-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto var(--space-lg);
    border-radius: var(--radius-lg);
    background: var(--ink-bg);
    color: var(--ink-text);
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-card .login-brand .brand-icon .icon {
    width: 26px;
    height: 26px;
}

/* ── Login Success ────────────────────────────────────────── */
.btn-primary.success:disabled {
    background: var(--success-bg);
    color: var(--success-text);
    opacity: 1;
    animation: success-pop 300ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes success-pop {
    0% { transform: scale(1); }
    40% { transform: scale(1.03); }
    100% { transform: scale(1); }
}

.login-page.leaving {
    transition: opacity 280ms ease-out, transform 280ms ease-out;
    opacity: 0;
    transform: scale(0.98);
}

.login-card .login-brand h1 {
    font-family: 'Instrument Serif', 'Newsreader', Georgia, serif;
    font-size: 1.75rem;
    font-weight: 400;
    letter-spacing: -0.01em;
}

.login-card .login-brand p {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-top: var(--space-xs);
}

.login-error {
    background: var(--pastel-red-bg);
    border: 1px solid var(--pastel-red-border);
    color: var(--pastel-red-text);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    font-size: 0.8125rem;
    margin-bottom: var(--space-lg);
    display: none;
}

.login-error.visible {
    display: block;
    animation: shake 0.4s ease-in-out;
}

/* ── Notifications / Toasts ───────────────────────────────── */
.toast-container {
    position: fixed;
    top: var(--space-xl);
    right: var(--space-xl);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.toast {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: var(--space-md) var(--space-lg);
    font-size: 0.875rem;
    color: var(--text-primary);
    box-shadow: var(--shadow-lg);
    animation: slideInRight 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    min-width: 300px;
}

.toast.toast-success { border-left: 3px solid var(--pastel-green-text); }
.toast.toast-error { border-left: 3px solid var(--pastel-red-text); }
.toast.toast-info { border-left: 3px solid var(--pastel-blue-text); }

.toast-action {
    margin-left: auto;
    padding-left: var(--space-md);
    background: none;
    border: none;
    color: var(--text-accent);
    font-family: 'Geist', sans-serif;
    font-size: 0.8125rem;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
}

.toast-action:hover {
    opacity: 0.8;
}

/* ── Modal ────────────────────────────────────────────────── */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(23, 24, 26, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    animation: fadeIn 0.2s ease-out;
    padding: var(--space-xl);
}

.modal-overlay.hidden {
    display: none;
}

.modal {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    animation: fadeInUp 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-xl);
}

.modal-header h3 {
    font-size: 1.25rem;
    font-weight: 700;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
    display: flex;
    transition: color var(--transition-fast);
}

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

.modal-footer {
    display: flex;
    gap: var(--space-md);
    justify-content: flex-end;
    margin-top: var(--space-xl);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--border-subtle);
}

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

.empty-state .empty-icon {
    margin-bottom: var(--space-md);
    display: flex;
    justify-content: center;
}

.empty-state .empty-icon .icon {
    width: 32px;
    height: 32px;
    opacity: 0.5;
}

.empty-state p {
    font-size: 0.875rem;
}

/* ── Two Column Grid ──────────────────────────────────────── */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
}

/* ── Copy URL Button ──────────────────────────────────────── */
.copy-url {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.75rem;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    font-family: 'Geist Mono', 'SF Mono', monospace;
    background: var(--bg-glass);
    border: none;
}

.copy-url:hover {
    color: var(--text-accent);
    background: var(--bg-glass-hover);
}

.copy-url .icon {
    width: 13px;
    height: 13px;
}

/* ── Callout (success / inline notice panels) ────────────── */
.callout-success {
    background: var(--pastel-green-bg);
    border-color: var(--pastel-green-border);
}

.code-chip {
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    color: var(--text-primary);
}

/* ── Animations ───────────────────────────────────────────── */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-8px); }
    75% { transform: translateX(8px); }
}

@keyframes login-ripple {
    0% { transform: scale(0.6); opacity: 0.22; }
    100% { transform: scale(5.5); opacity: 0; }
}

@keyframes login-drift {
    from { transform: translate(0, 0); }
    to { transform: translate(-40px, 30px); }
}

/* Staggered animation for stat cards */
.stat-card:nth-child(1) { animation: fadeInUp 0.5s cubic-bezier(0.16, 1, 0.3, 1) 0.05s both; }
.stat-card:nth-child(2) { animation: fadeInUp 0.5s cubic-bezier(0.16, 1, 0.3, 1) 0.1s both; }
.stat-card:nth-child(3) { animation: fadeInUp 0.5s cubic-bezier(0.16, 1, 0.3, 1) 0.15s both; }

.glass-panel { animation: fadeInUp 0.5s cubic-bezier(0.16, 1, 0.3, 1) 0.2s both; }

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 1024px) {
    .grid-2 {
        grid-template-columns: 1fr;
    }
}

/* ── Mobile Top Bar ───────────────────────────────────────── */
/* Hidden on desktop — the sidebar's own brand header covers this. */
.mobile-topbar {
    display: none;
}

.mobile-menu-btn {
    display: flex;
    background: none;
    border: none;
    color: var(--text-primary);
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border-radius: var(--radius-md);
    flex-shrink: 0;
}

.mobile-menu-btn:active {
    background: var(--bg-glass);
}

.mobile-topbar-title {
    font-weight: 600;
    font-size: 0.9375rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ── Sidebar Backdrop (off-canvas drawer scrim) ──────────────── */
.sidebar-backdrop {
    display: none;
}

/* ── Bottom Tab Bar ───────────────────────────────────────── */
/* Hidden on desktop — primary nav lives in the sidebar there. */
.bottom-tab-bar {
    display: none;
}

@media (max-width: 768px) {
    /* Top bar: fixed, safe-area aware, sits above everything */
    .mobile-topbar {
        display: flex;
        align-items: center;
        gap: var(--space-sm);
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        height: calc(52px + env(safe-area-inset-top));
        padding: env(safe-area-inset-top) var(--space-md) 0;
        background: var(--bg-card);
        border-bottom: 1px solid var(--border-subtle);
        z-index: 300;
    }

    /* Sidebar becomes a full off-canvas drawer */
    .sidebar {
        transform: translateX(-100%);
        top: 0;
        bottom: 0;
        z-index: 400;
        width: min(300px, 84vw);
        padding-top: calc(var(--space-xl) + env(safe-area-inset-top));
        padding-bottom: calc(var(--space-xl) + env(safe-area-inset-bottom));
        box-shadow: var(--shadow-xl);
    }

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

    .sidebar-backdrop {
        display: block;
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.45);
        z-index: 350;
        opacity: 0;
        pointer-events: none;
        transition: opacity var(--transition-base);
    }

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

    /* Main content clears the fixed top bar and bottom tab bar */
    .main-content {
        margin-left: 0;
        padding: var(--space-md);
        padding-top: calc(52px + env(safe-area-inset-top) + var(--space-md));
        padding-bottom: calc(64px + env(safe-area-inset-bottom) + var(--space-xl));
    }

    /* Denser 2-up stat tiles instead of one huge stacked card each */
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-sm);
    }

    .stat-card {
        padding: var(--space-md);
    }

    .stat-card .stat-icon {
        width: 32px;
        height: 32px;
        margin-bottom: var(--space-sm);
    }

    .stat-card .stat-value {
        font-size: 1.5rem;
    }

    .glass-panel {
        padding: var(--space-md);
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .page-header {
        margin-bottom: var(--space-lg);
    }

    .page-header h2 {
        font-size: 1.6rem;
    }

    /* Bottom tab bar: the primary nav, styled like a real app's */
    .bottom-tab-bar {
        display: flex;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        background: var(--bg-card);
        border-top: 1px solid var(--border-subtle);
        padding-bottom: env(safe-area-inset-bottom);
        z-index: 300;
    }

    .bottom-tab-bar .nav-link {
        flex: 1;
        flex-direction: column;
        justify-content: center;
        gap: 2px;
        padding: 8px 2px 6px;
        border-radius: 0;
        min-height: 56px;
        text-align: center;
    }

    .bottom-tab-bar .nav-link.active {
        background: none;
    }

    .bottom-tab-bar .nav-icon {
        width: auto;
    }

    .bottom-tab-bar .icon {
        width: 21px;
        height: 21px;
    }

    .bottom-tab-bar .tab-label {
        font-size: 0.6875rem;
        font-weight: 500;
    }

    .nav-icon-wrap {
        position: relative;
        display: inline-flex;
    }

    .tab-badge {
        position: absolute;
        top: -4px;
        right: -8px;
        min-width: 16px;
        height: 16px;
        padding: 0 4px;
        border-radius: var(--radius-full);
        background: var(--pastel-red-text);
        color: #fff;
        font-size: 0.625rem;
        font-weight: 700;
        display: flex;
        align-items: center;
        justify-content: center;
        line-height: 1;
    }

    /* Modals become bottom sheets — the native app pattern, not a
       centered desktop dialog shrunk down */
    .modal-overlay {
        align-items: flex-end;
        padding: 0;
    }

    .modal {
        width: 100%;
        max-width: 100%;
        max-height: 88vh;
        border-radius: var(--radius-xl) var(--radius-xl) 0 0;
        padding: var(--space-xl) var(--space-lg) calc(var(--space-xl) + env(safe-area-inset-bottom));
        animation: sheetUp 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }

    /* Responsive tables: stacked cards instead of a cramped, tiny
       horizontally-scrolling grid — reads like a real list view */
    .data-table thead {
        display: none;
    }

    .data-table, .data-table tbody, .data-table tr, .data-table td {
        display: block;
        width: 100%;
    }

    .data-table tr {
        border: 1px solid var(--border-subtle);
        border-radius: var(--radius-md);
        padding: var(--space-sm) var(--space-md);
        margin-bottom: var(--space-sm);
    }

    .data-table tbody tr:hover {
        background: none;
    }

    .data-table td {
        border-bottom: none;
        padding: 7px 0;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: var(--space-md);
        text-align: right;
    }

    .data-table td:empty,
    .data-table td:has(.row-actions:empty) {
        display: none;
    }

    .data-table td::before {
        content: attr(data-label);
        font-weight: 600;
        color: var(--text-muted);
        font-size: 0.6875rem;
        text-transform: uppercase;
        letter-spacing: 0.04em;
        text-align: left;
        flex-shrink: 0;
    }

    .data-table td .row-actions {
        justify-content: flex-end;
    }

    .copy-url {
        max-width: 100%;
        overflow: hidden;
        text-overflow: ellipsis;
    }
}

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

    .card-group-title {
        font-size: 0.875rem;
    }

    .card-group-meta {
        display: block;
        margin-top: 2px;
    }
}

@keyframes sheetUp {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
}

/* ── Touch & Viewport Polish ──────────────────────────────── */
/* Applies everywhere, not just under the breakpoints above — these
   are baseline mobile-browser behaviors, not layout. */
html {
    -webkit-tap-highlight-color: transparent;
}

body {
    overflow-x: hidden;
}

button, a, .nav-link, .btn, .row-action-btn {
    touch-action: manipulation;
}

@media (max-width: 768px) {
    /* iOS Safari zooms the page on focusing any input under 16px —
       the single most common thing that makes a web form feel broken
       on a phone. */
    .form-input, .form-select, textarea.form-input {
        font-size: 16px;
    }

    .btn, .nav-link, .row-action-btn, .custom-select-trigger {
        min-height: 40px;
    }
}

/* ── Utility ──────────────────────────────────────────────── */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-accent { color: var(--text-accent); }
.text-danger { color: var(--pastel-red-text); }
.text-muted { color: var(--text-muted); }
.text-sm { font-size: 0.8125rem; }
.font-mono { font-family: 'Geist Mono', 'SF Mono', 'Cascadia Code', monospace; font-variant-numeric: tabular-nums; }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.flex { display: flex; }
.items-center { align-items: center; }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }

/* ── Theme Toggle ─────────────────────────────────────────── */
.theme-icon-sun { display: none; }
.theme-icon-moon { display: inline-block; }
.theme-label-light { display: none; }
.theme-label-dark { display: inline; }

:root[data-theme="dark"] .theme-icon-sun { display: inline-block; }
:root[data-theme="dark"] .theme-icon-moon { display: none; }
:root[data-theme="dark"] .theme-label-light { display: inline; }
:root[data-theme="dark"] .theme-label-dark { display: none; }

.theme-toggle-fab {
    position: fixed;
    top: var(--space-xl);
    right: var(--space-xl);
    z-index: 10;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast);
}

.theme-toggle-fab:hover {
    color: var(--text-primary);
    border-color: var(--border-medium);
}

/* ── Custom Select (replaces native <select>) ────────────── */
.custom-select {
    position: relative;
}

.custom-select-native {
    position: absolute;
    inset: 0;
    opacity: 0;
    pointer-events: none;
}

/* The native select's `disabled` state isn't otherwise visible on the
   custom trigger that sits on top of it (the enhancer never reads
   `disabled` directly) — this locks a dependent second select, e.g.
   the branch dropdown until a business is chosen. */
.custom-select-native:disabled + .custom-select-trigger {
    pointer-events: none;
    opacity: 0.5;
}

.custom-select-trigger {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-sm);
    padding: 10px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: 'Geist', sans-serif;
    font-size: 0.875rem;
    text-align: left;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.custom-select-trigger .custom-select-value {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.custom-select-trigger.placeholder .custom-select-value {
    color: var(--text-muted);
}

.custom-select-trigger .icon {
    width: 16px;
    height: 16px;
    color: var(--text-muted);
    flex-shrink: 0;
    transition: transform var(--transition-fast);
}

.custom-select-trigger:hover {
    border-color: var(--border-medium);
}

.custom-select.open .custom-select-trigger {
    border-color: var(--text-accent);
    box-shadow: 0 0 0 3px var(--focus-ring);
}

.custom-select.open .custom-select-trigger .icon {
    transform: rotate(180deg);
}

.custom-select-panel {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    right: 0;
    z-index: 20;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: 6px;
    max-height: 240px;
    overflow-y: auto;
    display: none;
}

.custom-select.open .custom-select-panel {
    display: block;
    animation: fadeInUp 0.15s cubic-bezier(0.16, 1, 0.3, 1);
}

.custom-select-option {
    display: block;
    width: 100%;
    padding: 8px 10px;
    border-radius: var(--radius-sm);
    background: none;
    border: none;
    color: var(--text-primary);
    font-family: 'Geist', sans-serif;
    font-size: 0.875rem;
    text-align: left;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.custom-select-option:hover {
    background: var(--bg-glass-hover);
}

.custom-select-option.selected {
    background: var(--pastel-green-bg);
    color: var(--pastel-green-text);
    font-weight: 600;
}

.custom-select-option.disabled {
    color: var(--text-muted);
    cursor: default;
    pointer-events: none;
}

/* ── Card Groups (All Cards, grouped by business) ──────────── */
.card-group {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-lg);
    overflow: hidden;
}

.card-group-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-lg) var(--space-xl);
    cursor: pointer;
    background: none;
    border: none;
    width: 100%;
    text-align: left;
    font-family: 'Geist', sans-serif;
    color: var(--text-primary);
}

.card-group-header:hover {
    background: var(--bg-glass);
}

.card-group-title {
    font-size: 0.9375rem;
    font-weight: 600;
}

.card-group-meta {
    font-size: 0.8125rem;
    color: var(--text-muted);
    font-weight: 400;
}

.card-group-chevron {
    transition: transform var(--transition-fast);
    flex-shrink: 0;
    color: var(--text-muted);
}

.card-group.open .card-group-chevron {
    transform: rotate(180deg);
}

.card-group-body {
    display: none;
    border-top: 1px solid var(--border-subtle);
}

.card-group.open .card-group-body {
    display: block;
}

/* ── Row Action Icon Buttons (Clients table, card rows) ────── */
.row-actions {
    display: flex;
    gap: 4px;
    align-items: center;
}

.row-action-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border-radius: var(--radius-sm);
    background: none;
    border: 1px solid transparent;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.row-action-btn:hover {
    background: var(--bg-glass-hover);
    color: var(--text-primary);
    border-color: var(--border-subtle);
}

.row-action-btn.danger:hover {
    color: var(--danger-bg);
}

.row-action-btn .icon {
    width: 16px;
    height: 16px;
}

/* ── Support Tabs ─────────────────────────────────────────── */
.support-tab.active,
.style-option.active {
    background: var(--pastel-green-bg);
    color: var(--pastel-green-text);
    border-color: var(--pastel-green-border);
}

/* ── File Upload ──────────────────────────────────────────── */
/* Native <input type="file"> renders as an OS-chrome button that
   clashes with everything else on the page — this hides it entirely
   and drives it from a normal .btn plus a filename readout instead. */
.file-upload {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.file-upload-name {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 240px;
}

/* ── Reduced Motion ───────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}