/* DentalHairConcierge — Custom Styles */
:root {
    --bg-primary: #0B0F1A;
    --bg-secondary: #0F1420;
    --bg-card: #131827;
    --bg-card-hover: #1A2035;
    --bg-input: #0F1420;
    --border: #1E2A45;
    --border-focus: #3B82F6;
    --primary: #3B82F6;
    --primary-hover: #2563EB;
    --primary-glow: rgba(59, 130, 246, 0.15);
    --accent: #06B6D4;
    --success: #22C55E;
    --warning: #F59E0B;
    --error: #EF4444;
    --text: #F1F5F9;
    --text-secondary: #94A3B8;
    --text-muted: #64748B;
    --sidebar-width: 260px;
    --transition: all 0.2s ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    background-color: var(--bg-primary);
    color: var(--text);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    min-height: 100vh;
    overflow-x: hidden;
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ===== SIDEBAR ===== */
.sidebar {
    position: fixed;
    top: 0; left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--bg-card);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    z-index: 50;
    transition: transform 0.3s ease;
}

.sidebar-header {
    padding: 20px 20px 16px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 12px;
}

.sidebar-logo {
    width: 36px; height: 36px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 16px;
    color: #fff;
    flex-shrink: 0;
}

.sidebar-title {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 15px;
    font-weight: 700;
    color: var(--text);
    line-height: 1.2;
}

.sidebar-subtitle {
    font-size: 11px;
    color: var(--text-muted);
    font-weight: 400;
}

.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: 12px 10px;
}

.nav-section-label {
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    padding: 16px 12px 6px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 8px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 13.5px;
    font-weight: 500;
    transition: var(--transition);
    cursor: pointer;
    position: relative;
}

.nav-item:hover {
    background: var(--bg-card-hover);
    color: var(--text);
}

.nav-item.active {
    background: var(--primary-glow);
    color: var(--primary);
}

.nav-item.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 20px;
    background: var(--primary);
    border-radius: 0 3px 3px 0;
}

.nav-item i { width: 18px; height: 18px; flex-shrink: 0; }

.nav-submenu {
    padding-left: 18px;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.nav-submenu.collapsed { max-height: 0; }
.nav-submenu.expanded { max-height: 200px; }

.nav-toggle-icon {
    margin-left: auto;
    transition: transform 0.2s ease;
    width: 14px; height: 14px;
}

.nav-toggle-icon.rotated { transform: rotate(180deg); }

.sidebar-footer {
    padding: 12px 16px;
    border-top: 1px solid var(--border);
}

.sidebar-user {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px;
    border-radius: 8px;
}

.sidebar-user-avatar {
    width: 32px; height: 32px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 600;
    color: #fff;
    flex-shrink: 0;
}

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

.sidebar-user-name {
    font-size: 12.5px;
    font-weight: 600;
    color: var(--text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-user-email {
    font-size: 11px;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.btn-logout {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
    border-radius: 6px;
    transition: var(--transition);
}

.btn-logout:hover { color: var(--error); background: rgba(239,68,68,0.1); }

/* ===== MAIN CONTENT ===== */
.main-content {
    margin-left: var(--sidebar-width);
    padding: 24px 28px;
    min-height: 100vh;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.page-header h1 {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 24px;
    font-weight: 700;
    color: var(--text);
}

.page-header p {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 2px;
}

/* ===== CARDS ===== */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    transition: var(--transition);
}

.card:hover {
    border-color: rgba(59, 130, 246, 0.2);
}

.metric-card {
    position: relative;
    overflow: hidden;
}

.metric-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.metric-card:hover::before { opacity: 1; }

.metric-card .metric-icon {
    width: 40px; height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 12px;
}

.metric-card .metric-value {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 28px;
    font-weight: 700;
    color: var(--text);
    line-height: 1;
}

.metric-card .metric-label {
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 18px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
}

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

.btn-primary:hover {
    background: var(--primary-hover);
    box-shadow: 0 4px 12px rgba(59,130,246,0.3);
}

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

.btn-secondary:hover {
    background: var(--bg-card);
    color: var(--text);
    border-color: var(--text-muted);
}

.btn-danger {
    background: rgba(239,68,68,0.1);
    color: var(--error);
    border: 1px solid rgba(239,68,68,0.2);
}

.btn-danger:hover {
    background: rgba(239,68,68,0.2);
}

.btn-success {
    background: rgba(34,197,94,0.1);
    color: var(--success);
    border: 1px solid rgba(34,197,94,0.2);
}

.btn-success:hover {
    background: rgba(34,197,94,0.2);
}

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

.btn-icon {
    padding: 8px;
    border-radius: 8px;
    background: none;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
}

.btn-icon:hover {
    background: var(--bg-card-hover);
    color: var(--text);
}

/* ===== FORMS ===== */
.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 12.5px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-size: 13.5px;
    font-family: inherit;
    transition: var(--transition);
    outline: none;
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

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

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2364748B' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

textarea.form-control { resize: vertical; min-height: 80px; }

/* ===== TABLE ===== */
.table-container {
    overflow-x: auto;
    border-radius: 12px;
    border: 1px solid var(--border);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

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

.data-table th {
    padding: 12px 16px;
    text-align: left;
    font-weight: 600;
    font-size: 11.5px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

.data-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    color: var(--text-secondary);
    white-space: nowrap;
}

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

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

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

.data-table tbody tr.clickable { cursor: pointer; }

/* ===== BADGES ===== */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 11.5px;
    font-weight: 600;
    white-space: nowrap;
}

.badge-active, .badge-confirmed { background: rgba(34,197,94,0.12); color: var(--success); }
.badge-inactive, .badge-cancelled { background: rgba(239,68,68,0.12); color: var(--error); }
.badge-pending { background: rgba(245,158,11,0.12); color: var(--warning); }
.badge-completed { background: rgba(59,130,246,0.12); color: var(--primary); }
.badge-processing { background: rgba(6,182,212,0.12); color: var(--accent); }

/* ===== MODAL ===== */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(4px);
    z-index: 100;
    justify-content: center;
    align-items: center;
}

.modal-overlay.active { display: flex; }

.modal {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    width: 90%;
    max-width: 560px;
    max-height: 90vh;
    overflow-y: auto;
    animation: modalIn 0.2s ease;
}

@keyframes modalIn {
    from { opacity: 0; transform: scale(0.95) translateY(10px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
}

.modal-header h2 {
    font-size: 17px;
    font-weight: 700;
    color: var(--text);
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
    border-radius: 6px;
    transition: var(--transition);
}

.modal-close:hover { color: var(--text); background: var(--bg-card-hover); }

.modal-body { padding: 24px; }

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    padding: 16px 24px;
    border-top: 1px solid var(--border);
}

/* ===== TOAST ===== */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 200;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    padding: 12px 20px;
    border-radius: 10px;
    font-size: 13px;
    font-weight: 500;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 8px;
    animation: toastIn 0.3s ease, toastOut 0.3s ease 2.7s forwards;
    box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}

.toast-success { background: var(--success); }
.toast-error { background: var(--error); }
.toast-warning { background: var(--warning); color: #000; }
.toast-info { background: var(--primary); }

@keyframes toastIn {
    from { opacity: 0; transform: translateX(100px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes toastOut {
    from { opacity: 1; transform: translateX(0); }
    to { opacity: 0; transform: translateX(100px); }
}

/* ===== TABS ===== */
.tabs {
    display: flex;
    gap: 2px;
    background: var(--bg-secondary);
    border-radius: 10px;
    padding: 4px;
    margin-bottom: 20px;
    overflow-x: auto;
}

.tab-btn {
    padding: 8px 16px;
    border: none;
    background: none;
    color: var(--text-muted);
    font-size: 12.5px;
    font-weight: 600;
    cursor: pointer;
    border-radius: 7px;
    transition: var(--transition);
    white-space: nowrap;
}

.tab-btn:hover { color: var(--text-secondary); }

.tab-btn.active {
    background: var(--bg-card);
    color: var(--text);
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

/* ===== SEARCH BAR ===== */
.search-bar {
    position: relative;
}

.search-bar input {
    padding-left: 38px;
}

.search-bar i {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    width: 16px; height: 16px;
}

/* ===== LOGIN ===== */
.login-bg {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary);
    background-image: radial-gradient(circle at 20% 50%, rgba(59,130,246,0.06) 0%, transparent 50%),
                      radial-gradient(circle at 80% 50%, rgba(6,182,212,0.06) 0%, transparent 50%);
}

.login-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 40px;
    width: 100%;
    max-width: 420px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.login-card .login-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 32px;
}

.login-card .login-logo-icon {
    width: 48px; height: 48px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 20px;
    color: #fff;
}

.login-card .login-logo-text {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 20px;
    font-weight: 700;
    color: var(--text);
}

.login-error {
    background: rgba(239,68,68,0.1);
    border: 1px solid rgba(239,68,68,0.2);
    color: var(--error);
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 12.5px;
    margin-bottom: 16px;
    display: none;
}

.login-error.visible { display: block; }

/* ===== CALENDAR ===== */
.fc {
    --fc-border-color: var(--border);
    --fc-button-bg-color: var(--bg-card);
    --fc-button-border-color: var(--border);
    --fc-button-text-color: var(--text-secondary);
    --fc-button-active-bg-color: var(--primary);
    --fc-button-active-border-color: var(--primary);
    --fc-button-hover-bg-color: var(--bg-card-hover);
    --fc-button-hover-border-color: var(--border);
    --fc-today-bg-color: rgba(59,130,246,0.06);
    --fc-page-bg-color: transparent;
    --fc-neutral-bg-color: var(--bg-card);
    --fc-event-bg-color: var(--primary);
    --fc-event-border-color: var(--primary);
}

.fc .fc-toolbar-title {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 18px;
    font-weight: 700;
    color: var(--text);
}

.fc th { color: var(--text-muted); font-size: 12px; }
.fc td { color: var(--text-secondary); }
.fc .fc-daygrid-day-number { color: var(--text-secondary); font-size: 12.5px; }
.fc .fc-col-header-cell { background: var(--bg-card); }
.fc .fc-scrollgrid { border-color: var(--border); }
.fc .fc-event { border-radius: 4px; font-size: 11px; padding: 2px 4px; }

/* ===== PROGRESS BAR ===== */
.progress-bar {
    height: 8px;
    background: var(--bg-secondary);
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    border-radius: 4px;
    transition: width 0.5s ease;
}

/* ===== TIMELINE ===== */
.timeline-item {
    display: flex;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
}

.timeline-item:last-child { border-bottom: none; }

.timeline-dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    margin-top: 5px;
    flex-shrink: 0;
}

.timeline-content { flex: 1; }
.timeline-content .timeline-text { font-size: 13px; color: var(--text-secondary); }
.timeline-content .timeline-date { font-size: 11px; color: var(--text-muted); margin-top: 2px; }

/* ===== UTILITIES ===== */
.text-primary { color: var(--primary); }
.text-accent { color: var(--accent); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-error { color: var(--error); }
.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }

.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }
.mb-4 { margin-bottom: 16px; }
.mb-6 { margin-bottom: 24px; }
.mt-4 { margin-top: 16px; }

.empty-state {
    text-align: center;
    padding: 48px 24px;
    color: var(--text-muted);
}

.empty-state i { margin-bottom: 12px; opacity: 0.5; }
.empty-state p { font-size: 14px; }

/* ===== HAMBURGER MENU ===== */
.hamburger-btn {
    display: none;
    position: fixed;
    top: 14px;
    left: 14px;
    z-index: 60;
    width: 40px; height: 40px;
    border-radius: 10px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text);
    cursor: pointer;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.hamburger-btn:hover { background: var(--bg-card-hover); }
.hamburger-btn i { width: 20px; height: 20px; }

.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(2px);
    z-index: 45;
}

.sidebar-overlay.active { display: block; }

/* ===== RESPONSIVE ===== */

/* Tablet — 1024px */
@media (max-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }

    .hamburger-btn { display: flex; }

    .sidebar {
        transform: translateX(-100%);
        box-shadow: none;
    }

    .sidebar.open {
        transform: translateX(0);
        box-shadow: 4px 0 24px rgba(0,0,0,0.3);
    }

    .main-content {
        margin-left: 0;
        padding: 20px;
        padding-top: 64px; /* space for hamburger */
    }

    .page-header {
        flex-direction: column;
        gap: 12px;
        align-items: flex-start;
    }

    .page-header .flex,
    .page-header .gap-2 {
        width: 100%;
        flex-wrap: wrap;
    }
}

/* Mobile — 768px */
@media (max-width: 768px) {
    .main-content {
        padding: 14px;
        padding-top: 60px;
    }

    .grid-2 { grid-template-columns: 1fr; }
    .grid-3 { grid-template-columns: 1fr; }
    .grid-4 { grid-template-columns: 1fr; }

    .page-header h1 { font-size: 20px; }
    .page-header p { font-size: 12px; }

    .card { padding: 16px; border-radius: 10px; }
    .metric-card .metric-value { font-size: 22px; }
    .metric-card .metric-label { font-size: 12px; }
    .metric-card .metric-icon { width: 34px; height: 34px; margin-bottom: 8px; }

    /* Modal full-width on mobile */
    .modal {
        width: 95%;
        max-width: 100%;
        border-radius: 12px;
        max-height: 85vh;
    }

    .modal-header { padding: 16px; }
    .modal-body { padding: 16px; }
    .modal-footer {
        padding: 12px 16px;
        flex-direction: column;
    }
    .modal-footer .btn { width: 100%; justify-content: center; }

    /* Buttons */
    .page-header .btn {
        width: 100%;
        justify-content: center;
    }

    .btn { padding: 8px 14px; font-size: 12px; }
    .btn-sm { padding: 5px 10px; font-size: 11px; }

    /* Tables */
    .table-container { border-radius: 8px; margin: 0 -4px; }
    .data-table th { padding: 10px 12px; font-size: 10.5px; }
    .data-table td { padding: 10px 12px; font-size: 12px; }

    /* Tabs */
    .tabs { margin-bottom: 14px; }
    .tab-btn { padding: 7px 12px; font-size: 11.5px; }

    /* Forms */
    .form-control { padding: 9px 12px; font-size: 13px; }
    .form-group label { font-size: 12px; }

    /* Toast */
    .toast-container { top: 10px; right: 10px; left: 10px; }
    .toast { font-size: 12px; padding: 10px 14px; }

    /* Search & Filter */
    .flex-between {
        flex-wrap: wrap;
        gap: 10px;
    }

    /* Login */
    .login-card { padding: 28px 20px; margin: 16px; }

    /* Calendar */
    .fc .fc-toolbar { flex-direction: column; gap: 8px; }
    .fc .fc-toolbar-title { font-size: 15px; }

    /* Empty state */
    .empty-state { padding: 32px 16px; }
    .empty-state p { font-size: 13px; }

    /* Creator pages grid override */
    [style*="grid-template-columns: 1fr 340px"],
    [style*="grid-template-columns:1fr 340px"] {
        display: grid !important;
        grid-template-columns: 1fr !important;
    }
}

/* Small Mobile — 480px */
@media (max-width: 480px) {
    .main-content { padding: 10px; padding-top: 56px; }
    .page-header h1 { font-size: 18px; }
    .card { padding: 14px; }
    .metric-card .metric-value { font-size: 20px; }

    .grid-2 { gap: 10px; }
    .grid-3 { gap: 10px; }
    .grid-4 { gap: 10px; }

    .sidebar { width: 260px; }

    .login-card { padding: 24px 16px; }
    .login-card .login-logo-icon { width: 40px; height: 40px; font-size: 16px; }
    .login-card .login-logo-text { font-size: 17px; }
}

/* ===== LOADING SPINNER ===== */
.spinner {
    width: 20px; height: 20px;
    border: 2px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* ===== CHAT PAGE ===== */
.chat-container {
    display: flex;
    height: 100vh;
    margin-left: var(--sidebar-width);
    overflow: hidden;
}

.chat-left-panel {
    width: 320px;
    min-width: 320px;
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    background: var(--bg-card);
}

.chat-left-header {
    padding: 20px 20px 12px;
    border-bottom: 1px solid var(--border);
}

.chat-search {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
}

.chat-conversation-list {
    flex: 1;
    overflow-y: auto;
}

.chat-conv-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    cursor: pointer;
    transition: var(--transition);
    border-left: 3px solid transparent;
    border-bottom: 1px solid rgba(30,42,69,0.4);
}

.chat-conv-item:hover {
    background: var(--bg-card-hover);
}

.chat-conv-item.active {
    background: var(--primary-glow);
    border-left-color: var(--primary);
}

.chat-conv-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    font-weight: 700;
    color: #fff;
    flex-shrink: 0;
}

.chat-conv-info {
    flex: 1;
    min-width: 0;
}

.chat-conv-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 3px;
}

.chat-conv-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.chat-conv-time {
    font-size: 10.5px;
    color: var(--text-muted);
    flex-shrink: 0;
    margin-left: 8px;
}

.chat-conv-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 6px;
}

.chat-conv-snippet {
    font-size: 12px;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex: 1;
}

.chat-channel-badge {
    font-size: 9.5px;
    font-weight: 700;
    padding: 2px 7px;
    border-radius: 10px;
    letter-spacing: 0.02em;
    flex-shrink: 0;
    text-transform: uppercase;
}

.badge-telegram {
    background: rgba(59,130,246,0.15);
    color: #3B82F6;
}

.badge-website {
    background: rgba(34,197,94,0.15);
    color: #22C55E;
}

/* Center Panel */
.chat-center-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: var(--bg-primary);
    min-width: 0;
}

.chat-empty-state {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.chat-center-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 20px;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    min-height: 56px;
}

.chat-back-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px;
    border-radius: 6px;
    transition: var(--transition);
}

.chat-back-btn:hover {
    color: var(--text);
    background: var(--bg-card-hover);
}

.chat-messages-area {
    flex: 1;
    overflow-y: auto;
    padding: 20px 24px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.chat-bubble-wrapper {
    display: flex;
    max-width: 75%;
}

.chat-bubble-wrapper.user {
    align-self: flex-end;
}

.chat-bubble-wrapper.assistant {
    align-self: flex-start;
}

.chat-bubble {
    padding: 10px 14px;
    border-radius: 14px;
    max-width: 100%;
    word-wrap: break-word;
}

.chat-bubble-user {
    background: var(--primary);
    color: #fff;
    border-bottom-right-radius: 4px;
}

.chat-bubble-assistant {
    background: var(--bg-card);
    color: var(--text-secondary);
    border: 1px solid var(--border);
    border-bottom-left-radius: 4px;
}

.chat-bubble-text {
    font-size: 13px;
    line-height: 1.6;
}

.chat-bubble-time {
    font-size: 10px;
    margin-top: 4px;
    opacity: 0.6;
    text-align: right;
}

.chat-footer-note {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 24px;
    background: var(--bg-card);
    border-top: 1px solid var(--border);
    font-size: 11.5px;
    color: var(--text-muted);
}

/* Right Panel */
.chat-right-panel {
    width: 0;
    overflow: hidden;
    background: var(--bg-card);
    border-left: 1px solid var(--border);
    transition: width 0.3s ease;
    display: flex;
    flex-direction: column;
}

.chat-right-panel.open {
    width: 300px;
    min-width: 300px;
}

.chat-right-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
}

.chat-right-content {
    flex: 1;
    overflow-y: auto;
    padding: 8px 0;
}

.chat-info-section {
    padding: 12px 20px;
    border-bottom: 1px solid var(--border);
}

.chat-info-avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    font-weight: 700;
    color: #fff;
    margin: 0 auto;
}

.chat-info-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 0;
    font-size: 12.5px;
    color: var(--text-secondary);
}

.chat-info-label {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.chat-info-appt-card {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 10px 12px;
}

/* Chat Responsive */
@media (max-width: 1024px) {
    .chat-container {
        margin-left: 0;
    }

    .chat-left-panel {
        width: 280px;
        min-width: 280px;
    }

    .chat-right-panel.open {
        width: 260px;
        min-width: 260px;
    }

    .profile-btn-text {
        display: none;
    }
}

@media (max-width: 768px) {
    .chat-left-panel {
        width: 100%;
        min-width: 100%;
    }

    .chat-left-panel.hidden-mobile {
        display: none;
    }

    .chat-center-panel {
        display: none;
    }

    .chat-center-panel.visible-mobile {
        display: flex;
        width: 100%;
    }

    .chat-back-btn {
        display: flex;
    }

    .chat-right-panel {
        position: fixed;
        top: 0;
        right: 0;
        height: 100vh;
        z-index: 100;
        width: 0;
        min-width: 0;
    }

    .chat-right-panel.open.mobile-modal {
        width: 85vw;
        min-width: 85vw;
        box-shadow: -4px 0 24px rgba(0,0,0,0.4);
    }

    .chat-bubble-wrapper {
        max-width: 88%;
    }

    .chat-messages-area {
        padding: 16px;
    }
}

/* ===== LOADING SPINNER ===== */
.loading-overlay {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 48px;
}