@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&display=swap');

:root {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --border: #334155;
    
    --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

/* Telegram Theme Integration */
body.telegram {
    --bg-primary: var(--tg-theme-bg-color, #0f172a);
    --bg-secondary: var(--tg-theme-secondary-bg-color, #1e293b);
    --text-primary: var(--tg-theme-text-color, #f8fafc);
    --text-secondary: var(--tg-theme-hint-color, #94a3b8);
    --accent: var(--tg-theme-button-color, #3b82f6);
    --accent-hover: var(--tg-theme-button-color, #2563eb);
    --border: rgba(255, 255, 255, 0.08);
}

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

body {
    font-family: var(--font-sans);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    -webkit-tap-highlight-color: transparent;
    padding: 16px;
}

.app-container {
    max-width: 800px;
    margin: 0 auto;
}

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

h1 {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.025em;
}

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

.btn {
    padding: 8px 16px;
    border-radius: 12px;
    font-weight: 500;
    font-size: 0.875rem;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
}

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

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

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

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

/* Date slider */
.date-selector-wrapper {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 24px;
    background: var(--bg-secondary);
    padding: 8px;
    border-radius: 16px;
    border: 1px solid var(--border);
}

.nav-btn {
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 1.2rem;
    padding: 8px 12px;
    cursor: pointer;
    border-radius: 8px;
}

.nav-btn:hover {
    background: rgba(255, 255, 255, 0.05);
}

.days-slider {
    display: flex;
    flex-grow: 1;
    gap: 4px;
    justify-content: space-between;
}

.day-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 6px 4px;
    border-radius: 10px;
    flex: 1 1 0;
    min-width: 0;
    cursor: pointer;
    transition: all 0.2s ease;
}

.day-card .weekday {
    font-size: 0.7rem;
    color: var(--text-secondary);
    text-transform: uppercase;
}

.day-card .day-num {
    font-size: 0.95rem;
    font-weight: 600;
}

.day-card.selected {
    background: var(--accent);
    color: #fff;
}

.day-card.selected .weekday {
    color: rgba(255, 255, 255, 0.8);
}

/* Grid layout */
.schedule-container {
    background: var(--bg-secondary);
    border-radius: 20px;
    border: 1px solid var(--border);
    overflow: hidden;
}

.timeline-header {
    display: grid;
    grid-template-columns: 80px 1fr 1fr;
    border-bottom: 1px solid var(--border);
    background: rgba(0, 0, 0, 0.15);
    font-weight: 500;
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-align: center;
}

.time-label-header, .line-column-header {
    padding: 12px 8px;
}

.grid-row {
    display: grid;
    grid-template-columns: 80px 1fr 1fr;
    border-bottom: 1px solid var(--border);
}

.grid-row:last-child {
    border-bottom: none;
}

.time-cell {
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-secondary);
    border-right: 1px solid var(--border);
    background: rgba(0, 0, 0, 0.05);
}

.slot-cell {
    padding: 8px;
    min-height: 90px;
    display: flex;
    align-items: stretch;
    justify-content: stretch;
    border-right: 1px solid var(--border);
}

.slot-cell:last-child {
    border-right: none;
}

/* Appointment & block cards */
.card {
    flex-grow: 1;
    border-radius: 12px;
    padding: 10px;
    font-size: 0.8rem;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.card.empty {
    border: 2px dashed var(--border);
    background: transparent;
    color: var(--text-secondary);
    align-items: center;
    justify-content: center;
}

.card.empty:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: rgba(59, 130, 246, 0.05);
}

.card.appt {
    background: rgba(16, 185, 129, 0.15);
    border-left: 4px solid var(--success);
    color: #a7f3d0;
}

.card.appt.complex {
    background: rgba(245, 158, 11, 0.15);
    border-left: 4px solid var(--warning);
    color: #fde68a;
}

.card.blocked {
    background: rgba(239, 68, 68, 0.15);
    border-left: 4px solid var(--danger);
    color: #fca5a5;
    align-items: center;
    justify-content: center;
}

.card-title {
    font-weight: 600;
    margin-bottom: 4px;
    word-break: break-word;
    overflow: hidden;
}

.card-desc {
    font-size: 0.75rem;
    opacity: 0.8;
}

/* Modal styles */
.modal {
    display: none;
    position: fixed;
    z-index: 100;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    align-items: flex-end;
}

.modal.open {
    display: flex;
}

.modal-content {
    background-color: var(--bg-secondary);
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    border-radius: 24px 24px 0 0;
    padding: 24px;
    box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border);
    border-bottom: none;
    animation: slideUp 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.close-btn {
    float: right;
    font-size: 1.5rem;
    font-weight: bold;
    cursor: pointer;
    color: var(--text-secondary);
}

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

.modal-body {
    margin: 16px 0 24px 0;
    font-size: 0.95rem;
}

.info-row {
    margin-bottom: 12px;
}

.info-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
}

.info-value {
    font-weight: 500;
}

.modal-actions {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.modal-actions button {
    width: 100%;
    padding: 12px;
}

/* --- Tabs and Navigation --- */
.tab-content {
    display: none;
    padding-bottom: 80px; /* Space for bottom nav */
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: var(--bg-secondary);
    display: flex;
    justify-content: space-around;
    padding: 12px 0;
    border-top: 1px solid var(--border);
    z-index: 50;
    box-shadow: 0 -4px 12px rgba(0,0,0,0.1);
}

.nav-item {
    background: none;
    border: none;
    color: var(--text-secondary);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    cursor: pointer;
    font-size: 0.75rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

.nav-item.active {
    color: var(--accent);
}

.nav-item .nav-icon {
    font-size: 1.4rem;
}

/* --- Analytics & CRM lists --- */
.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 16px;
}

.stat-card {
    background: var(--bg-secondary);
    padding: 16px;
    border-radius: 16px;
    border: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.stat-title {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.stat-value {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--success);
}

.list-container {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 16px;
}

.list-item {
    background: var(--bg-secondary);
    padding: 16px;
    border-radius: 16px;
    border: 1px solid var(--border);
}

.list-item-title {
    font-weight: 600;
    margin-bottom: 4px;
}

.list-item-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

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