/* ============================================================
   BarberSync — Global Design System
   Fonts: Playfair Display (display) + DM Sans (body)
   Theme: Dark luxury — ink, cream, gold
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,700;0,900;1,700&family=DM+Sans:wght@300;400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

/* ---- Root Variables ---- */
:root {
    --ink: #0c0c0c;
    --ink-soft: #1a1a1a;
    --ink-mid: #2d2d2d;
    --paper: #faf7f0;
    --cream: #f0ead8;
    --cream-dark: #e0d8c4;
    --gold: #c8973f;
    --gold-light: #e2b96a;
    --gold-pale: #f5e9cc;
    --rust: #b84136;
    --rust-light: #f5e8e7;
    --sage: #3d6b52;
    --sage-light: #deeee5;
    --slate: #3a4a5c;
    --muted: #7a7060;
    --border: #ddd5be;
    --border-dark: #c8bfa8;
    --white: #ffffff;
    --shadow-sm: 0 1px 4px rgba(12,12,12,.06);
    --shadow-md: 0 4px 16px rgba(12,12,12,.10);
    --shadow-lg: 0 12px 40px rgba(12,12,12,.15);
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 14px;
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'DM Sans', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --transition: .22s cubic-bezier(.25,.8,.25,1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background: var(--paper);
    color: var(--ink);
    font-size: 15px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: inherit;
}

img {
    max-width: 100%;
    display: block;
}

button, input, select, textarea {
    font-family: var(--font-body);
}

/* ---- Sidebar Shell ---- */
.app-shell {
    display: grid;
    grid-template-columns: 240px 1fr;
    min-height: 100vh;
}

.sidebar {
    background: var(--ink);
    position: sticky;
    top: 0;
    height: 100vh;
    display: flex;
    flex-direction: column;
    padding: 0;
    overflow-y: auto;
    z-index: 100;
    border-right: 1px solid var(--ink-mid);
}

    .sidebar::-webkit-scrollbar {
        width: 3px;
    }

    .sidebar::-webkit-scrollbar-thumb {
        background: #333;
        border-radius: 2px;
    }

.sidebar-brand {
    padding: 24px 24px 20px;
    border-bottom: 1px solid var(--ink-mid);
    flex-shrink: 0;
}

.brand-logo {
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 900;
    color: var(--gold);
    letter-spacing: -.3px;
}

    .brand-logo span {
        color: var(--white);
    }

.brand-tagline {
    font-size: 11px;
    color: #666;
    margin-top: 2px;
    letter-spacing: .8px;
}

.sidebar-section {
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: #555;
    padding: 20px 24px 6px;
}

.sidebar-nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 24px;
    font-size: 13px;
    color: #888;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
    border-right: 3px solid transparent;
    user-select: none;
}

    .sidebar-nav-item:hover {
        color: var(--white);
        background: rgba(255,255,255,.04);
    }

    .sidebar-nav-item.active {
        color: var(--gold);
        background: rgba(200,151,63,.08);
        border-right-color: var(--gold);
    }

    .sidebar-nav-item .nav-icon {
        font-size: 16px;
        width: 22px;
        text-align: center;
        flex-shrink: 0;
    }

.sidebar-nav-badge {
    margin-left: auto;
    background: var(--rust);
    color: white;
    font-size: 10px;
    font-weight: 600;
    padding: 2px 7px;
    border-radius: 20px;
    min-width: 20px;
    text-align: center;
}

.sidebar-footer {
    margin-top: auto;
    padding: 16px 20px;
    border-top: 1px solid var(--ink-mid);
    flex-shrink: 0;
}

.sidebar-user {
    background: var(--ink-soft);
    border-radius: var(--radius-md);
    padding: 10px 14px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.sidebar-avatar {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: var(--gold);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 600;
    color: var(--ink);
    flex-shrink: 0;
}

.sidebar-user-name {
    font-size: 13px;
    color: var(--white);
    font-weight: 500;
}

.sidebar-user-role {
    font-size: 10px;
    color: var(--gold);
    margin-top: 1px;
    letter-spacing: .5px;
    text-transform: uppercase;
}

/* ---- Main Content ---- */
.main-content {
    overflow-y: auto;
    background: var(--paper);
}

.topbar {
    background: var(--white);
    border-bottom: 1px solid var(--border);
    padding: 14px 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 50;
    box-shadow: var(--shadow-sm);
}

.topbar-title {
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 700;
    color: var(--ink);
    letter-spacing: -.2px;
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.page-content {
    padding: 28px 32px 60px;
}

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 10px 22px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: .5px;
    cursor: pointer;
    border: none;
    font-family: var(--font-body);
    transition: all var(--transition);
    user-select: none;
    white-space: nowrap;
}

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

    .btn-primary:hover {
        background: var(--gold-light);
        transform: translateY(-1px);
        box-shadow: 0 4px 12px rgba(200,151,63,.3);
    }

.btn-dark {
    background: var(--ink);
    color: var(--gold);
}

    .btn-dark:hover {
        background: var(--ink-soft);
        transform: translateY(-1px);
    }

.btn-outline {
    background: transparent;
    border: 1.5px solid var(--border);
    color: var(--muted);
}

    .btn-outline:hover {
        border-color: var(--ink);
        color: var(--ink);
    }

.btn-danger {
    background: var(--rust-light);
    color: var(--rust);
    border: 1px solid #e8c4c4;
}

    .btn-danger:hover {
        background: #f5d5d3;
    }

.btn-success {
    background: var(--sage-light);
    color: var(--sage);
    border: 1px solid #b8d4c4;
}

.btn-sm {
    padding: 6px 14px;
    font-size: 12px;
}

.btn-lg {
    padding: 14px 32px;
    font-size: 15px;
}

.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
    justify-content: center;
    border-radius: var(--radius-sm);
}

/* ---- Form Elements ---- */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 18px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}

.form-row-3 {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 18px;
}

.form-label {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: .8px;
    text-transform: uppercase;
    color: var(--muted);
}

    .form-label .req {
        color: var(--rust);
    }

.form-control {
    background: var(--paper);
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 11px 14px;
    font-size: 14px;
    color: var(--ink);
    outline: none;
    width: 100%;
    transition: border var(--transition), box-shadow var(--transition);
}

    .form-control:focus {
        border-color: var(--gold);
        box-shadow: 0 0 0 3px rgba(200,151,63,.12);
        background: var(--white);
    }

    .form-control.error {
        border-color: var(--rust);
    }

.form-hint {
    font-size: 11px;
    color: var(--muted);
    margin-top: 3px;
}

textarea.form-control {
    resize: vertical;
    min-height: 90px;
}

/* ---- Cards ---- */
.card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.card-header {
    padding: 18px 22px 16px;
    border-bottom: 1px solid var(--cream);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-title {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 700;
    color: var(--ink);
    letter-spacing: -.2px;
}

.card-body {
    padding: 20px 22px;
}

/* ---- KPI Cards ---- */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit,minmax(180px,1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.kpi-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 20px 22px;
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

    .kpi-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 3px;
        background: var(--border);
    }

    .kpi-card.gold::before {
        background: var(--gold);
    }

    .kpi-card.sage::before {
        background: var(--sage);
    }

    .kpi-card.rust::before {
        background: var(--rust);
    }

    .kpi-card.slate::before {
        background: var(--slate);
    }

.kpi-value {
    font-family: var(--font-display);
    font-size: 36px;
    font-weight: 900;
    line-height: 1;
}

.kpi-label {
    font-size: 12px;
    color: var(--muted);
    margin-top: 4px;
    letter-spacing: .3px;
}

.kpi-trend {
    font-size: 11px;
    margin-top: 10px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.trend-up {
    color: var(--sage);
}

.trend-dn {
    color: var(--rust);
}

/* ---- Status Badges ---- */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: .6px;
    text-transform: uppercase;
    padding: 3px 10px;
    border-radius: 20px;
}

.badge-free {
    background: var(--sage-light);
    color: var(--sage);
}

.badge-busy {
    background: var(--rust-light);
    color: var(--rust);
}

.badge-break {
    background: #faf0d7;
    color: #8a6f2e;
}

.badge-pending {
    background: #E6F1FB;
    color: #1a5276;
}

.badge-active {
    background: var(--sage-light);
    color: var(--sage);
}

.badge-inactive {
    background: var(--rust-light);
    color: var(--rust);
}

.badge-gold {
    background: var(--gold-pale);
    color: var(--gold);
}

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

    .badge-dot.pulse {
        animation: dotPulse 1.5s infinite;
    }

@keyframes dotPulse {
    0%,100% {
        opacity: 1
    }

    50% {
        opacity: .3
    }
}

/* ---- Table ---- */
.data-table {
    width: 100%;
    border-collapse: collapse;
}

    .data-table th {
        font-size: 11px;
        font-weight: 600;
        letter-spacing: .8px;
        text-transform: uppercase;
        color: var(--muted);
        padding: 10px 14px;
        text-align: left;
        background: var(--paper);
        border-bottom: 1px solid var(--border);
        white-space: nowrap;
    }

    .data-table td {
        padding: 12px 14px;
        border-bottom: 1px solid var(--cream);
        font-size: 13px;
        vertical-align: middle;
    }

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

        .data-table tbody tr:hover td {
            background: #fffdf5;
        }

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

/* ---- Live Badge ---- */
.live-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 11px;
    color: var(--sage);
    background: var(--sage-light);
    padding: 4px 12px;
    border-radius: 20px;
    font-weight: 600;
    letter-spacing: .5px;
}

.live-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--sage);
    animation: dotPulse 1.5s infinite;
}

/* ---- Modal ---- */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(12,12,12,.65);
    z-index: 900;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
    backdrop-filter: blur(3px);
}

    .modal-backdrop.open {
        display: flex;
    }

.modal-box {
    background: var(--white);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 24px 80px rgba(0,0,0,.28);
}

.modal-header {
    padding: 22px 28px 18px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    background: var(--white);
    z-index: 10;
}

.modal-title {
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 700;
}

.modal-close {
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    color: var(--muted);
    padding: 4px 8px;
    border-radius: 4px;
    line-height: 1;
}

    .modal-close:hover {
        background: var(--cream);
        color: var(--ink);
    }

.modal-body {
    padding: 22px 28px;
}

.modal-footer {
    padding: 16px 28px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    background: var(--paper);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

/* ---- Toast ---- */
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    background: var(--ink);
    color: var(--white);
    padding: 12px 18px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    border-left: 3px solid var(--gold);
    box-shadow: var(--shadow-lg);
    transform: translateX(120%);
    opacity: 0;
    transition: all .35s cubic-bezier(.25,.8,.25,1);
    max-width: 320px;
    line-height: 1.4;
}

    .toast.show {
        transform: translateX(0);
        opacity: 1;
    }

    .toast.toast-success {
        border-left-color: var(--sage);
    }

    .toast.toast-error {
        border-left-color: var(--rust);
    }

/* ---- Utility ---- */
.text-gold {
    color: var(--gold);
}

.text-sage {
    color: var(--sage);
}

.text-rust {
    color: var(--rust);
}

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

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

.fw-600 {
    font-weight: 600;
}

.font-display {
    font-family: var(--font-display);
}

.divider {
    height: 1px;
    background: var(--cream);
    margin: 20px 0;
}

.section-title {
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 700;
    color: var(--ink);
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 10px;
}

    .section-title::after {
        content: '';
        flex: 1;
        height: 1px;
        background: var(--cream);
    }

.empty-state {
    text-align: center;
    padding: 48px 20px;
    color: var(--muted);
}

.empty-icon {
    font-size: 48px;
    margin-bottom: 12px;
}

.empty-title {
    font-family: var(--font-display);
    font-size: 22px;
    color: var(--ink);
    margin-bottom: 6px;
}

/* ---- Responsive ---- */
@media (max-width:900px) {
    .app-shell {
        grid-template-columns: 1fr;
    }

    .sidebar {
        display: none;
    }

    .form-row, .form-row-3 {
        grid-template-columns: 1fr;
    }

    .page-content {
        padding: 18px 16px 40px;
    }

    .topbar {
        padding: 12px 16px;
    }
}