/* Основные стили */
:root {
    --primary-color: #4e73df;
    --secondary-color: #858796;
    --success-color: #1cc88a;
    --info-color: #36b9cc;
    --warning-color: #f6c23e;
    --danger-color: #e74a3b;
    --light-color: #f8f9fc;
    --dark-color: #5a5c69;
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --shadow: 0 0.15rem 1.75rem 0 rgba(58, 59, 69, 0.15);
    --border-radius: 0.35rem;
}

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

body {
    font-family: 'Nunito', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
    background-color: #f8f9fc;
}

/* Hero Section */
.hero-section {
    background: var(--gradient-primary);
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.hero-image {
    text-align: center;
    font-size: 15rem;
    color: rgba(255, 255, 255, 0.2);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* Navbar */
.navbar {
    box-shadow: var(--shadow);
    backdrop-filter: blur(10px);
    background: rgba(78, 115, 223, 0.95) !important;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
}

/* Cards */
.card {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 0.5rem 2rem 0 rgba(58, 59, 69, 0.2);
}

.card-header {
    border-bottom: 1px solid #e3e6f0;
    background: linear-gradient(135deg, var(--primary-color) 0%, #5a6fd8 100%);
}

/* Specialist Cards */
.specialist-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 1.5rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.specialist-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: 0 0.5rem 2rem 0 rgba(78, 115, 223, 0.2);
}

.specialist-card.selected {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, #f8f9ff 0%, #e8f0ff 100%);
}

.specialist-avatar {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 2rem;
    color: white;
}

/* Calendar */
.calendar-container {
    background: white;
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
}

.calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #e3e6f0;
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 0.5rem;
}

.calendar-day {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.2s ease;
    font-weight: 500;
    border: 2px solid transparent;
}

.calendar-day:hover {
    background: var(--primary-color);
    color: white;
    transform: scale(1.05);
}

.calendar-day.selected {
    background: var(--primary-color);
    color: white;
}

.calendar-day.available {
    background: #e8f5e8;
    color: #2d5a2d;
    border-color: #4caf50;
}

.calendar-day.unavailable {
    background: #f5f5f5;
    color: #999;
    cursor: not-allowed;
}

.calendar-day.other-month {
    color: #ccc;
}

/* Time Slots */
.time-slot {
    background: white;
    border: 2px solid #e3e6f0;
    border-radius: var(--border-radius);
    padding: 1rem;
    margin-bottom: 0.5rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.time-slot:hover {
    border-color: var(--primary-color);
    transform: translateX(5px);
}

.time-slot.selected {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, #f8f9ff 0%, #e8f0ff 100%);
}

/* Service Selection */
.service-item {
    background: white;
    border: 2px solid #e3e6f0;
    border-radius: var(--border-radius);
    padding: 1rem;
    margin-bottom: 0.5rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.service-item:hover {
    border-color: var(--success-color);
    transform: translateX(5px);
}

.service-item.selected {
    border-color: var(--success-color);
    background: linear-gradient(135deg, #f0fff4 0%, #e8f5e8 100%);
}

/* Buttons */
.btn {
    border-radius: var(--border-radius);
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    transition: all 0.2s ease;
    border: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0.5rem 1rem 0 rgba(78, 115, 223, 0.3);
}

.btn-success {
    background: var(--gradient-secondary);
    color: white;
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 0.5rem 1rem 0 rgba(240, 147, 251, 0.3);
}

/* Booking Steps */
.booking-step {
    transition: all 0.3s ease;
}

.booking-step.d-none {
    display: none !important;
}

/* Progress Bar */
.progress-bar {
    height: 4px;
    background: #e3e6f0;
    border-radius: 2px;
    margin-bottom: 2rem;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
}

/* Admin Dashboard */
.admin-sidebar {
    background: linear-gradient(180deg, var(--primary-color) 0%, #5a6fd8 100%);
    min-height: 100vh;
    color: white;
}

.admin-sidebar .nav-link {
    color: rgba(255, 255, 255, 0.8);
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius);
    margin-bottom: 0.25rem;
    transition: all 0.2s ease;
}

.admin-sidebar .nav-link:hover,
.admin-sidebar .nav-link.active {
    color: white;
    background: rgba(255, 255, 255, 0.1);
}

.admin-content {
    background: #f8f9fc;
    min-height: 100vh;
}

/* Stats Cards */
.stats-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    border-left: 4px solid var(--primary-color);
}

.stats-card.success {
    border-left-color: var(--success-color);
}

.stats-card.warning {
    border-left-color: var(--warning-color);
}

.stats-card.danger {
    border-left-color: var(--danger-color);
}

.stats-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
}

.stats-label {
    color: var(--secondary-color);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* Tables */
.table {
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.table thead th {
    background: #f8f9fc;
    border: none;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    color: var(--secondary-color);
}

/* Status Badges */
.badge {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.5rem 0.75rem;
    border-radius: 50px;
}

.badge-pending {
    background: #fff3cd;
    color: #856404;
}

.badge-confirmed {
    background: #d1ecf1;
    color: #0c5460;
}

.badge-cancelled {
    background: #f8d7da;
    color: #721c24;
}

.badge-completed {
    background: #d4edda;
    color: #155724;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-section {
        min-height: 70vh;
    }
    
    .hero-image {
        font-size: 8rem;
    }
    
    .calendar-grid {
        gap: 0.25rem;
    }
    
    .calendar-day {
        font-size: 0.875rem;
    }
    
    .specialist-card {
        padding: 1rem;
    }
    
    .specialist-avatar {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    .admin-sidebar {
        position: fixed;
        top: 0;
        left: -100%;
        width: 280px;
        z-index: 1000;
        transition: left 0.3s ease;
    }
    
    .admin-sidebar.show {
        left: 0;
    }
}

@media (max-width: 576px) {
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    .btn {
        padding: 0.5rem 1rem;
        font-size: 0.875rem;
    }
    
    .stats-number {
        font-size: 1.5rem;
    }
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in {
    animation: fadeIn 0.5s ease;
}

@keyframes slideIn {
    from { transform: translateX(-100%); }
    to { transform: translateX(0); }
}

.slide-in {
    animation: slideIn 0.3s ease;
}

/* Loading Spinner */
.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #5a6fd8;
}