/**
 * Sistema de Reserva para Barbearia
 * Estilos Responsivos Mobile-First
 */

/* Reset e Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #1a1a2e;
    --primary-light: #16213e;
    --accent: #e94560;
    --accent-hover: #c73e54;
    --gold: #d4af37;
    --gold-light: #f4d03f;
    --white: #ffffff;
    --gray-100: #f8f9fa;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --gray-400: #ced4da;
    --gray-500: #adb5bd;
    --gray-600: #6c757d;
    --gray-700: #495057;
    --gray-800: #343a40;
    --gray-900: #212529;
    --success: #28a745;
    --danger: #dc3545;
    --warning: #ffc107;
    --info: #17a2b8;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.15);
    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 16px;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    min-height: 100vh;
    color: var(--gray-800);
    line-height: 1.6;
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* Header */
.header {
    background: rgba(26, 26, 46, 0.95);
    backdrop-filter: blur(10px);
    padding: 15px 0;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    box-shadow: var(--shadow);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.logo-icon {
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, var(--gold) 0%, var(--gold-light) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.logo-text {
    color: var(--white);
    font-size: 1.3rem;
    font-weight: 700;
}

.logo-text span {
    color: var(--gold);
}

.nav-menu {
    display: flex;
    gap: 10px;
}

.nav-link {
    color: var(--white);
    text-decoration: none;
    padding: 10px 20px;
    border-radius: var(--radius);
    font-weight: 500;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link:hover {
    background: rgba(255,255,255,0.1);
}

.nav-link.active {
    background: var(--accent);
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--white);
    font-size: 24px;
    cursor: pointer;
    padding: 10px;
}

/* Main Content */
.main-content {
    padding-top: 80px;
    min-height: 100vh;
}

/* Cards */
.card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    margin-bottom: 20px;
}

.card-header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: var(--white);
    padding: 25px;
    text-align: center;
}

.card-header h1 {
    font-size: 1.8rem;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.card-header p {
    opacity: 0.9;
    font-size: 1rem;
}

.card-body {
    padding: 30px;
}

/* Page Header */
.page-header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: var(--white);
    padding: 40px 0;
    text-align: center;
    margin-bottom: 30px;
}

.page-header h1 {
    font-size: 2rem;
    margin-bottom: 10px;
}

.page-header p {
    opacity: 0.9;
}

/* Forms */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--gray-700);
    font-size: 0.95rem;
}

.form-label i {
    margin-right: 8px;
    color: var(--accent);
}

.form-control {
    width: 100%;
    padding: 15px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
    font-size: 1rem;
    transition: all 0.3s ease;
    background: var(--white);
}

.form-control:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(233, 69, 96, 0.1);
}

.form-control::placeholder {
    color: var(--gray-400);
}

select.form-control {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23666' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 15px center;
    padding-right: 40px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 15px 30px;
    border: none;
    border-radius: var(--radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);
    color: var(--white);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(233, 69, 96, 0.3);
}

.btn-success {
    background: linear-gradient(135deg, var(--success) 0%, #218838 100%);
    color: var(--white);
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(40, 167, 69, 0.3);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger) 0%, #c82333 100%);
    color: var(--white);
}

.btn-warning {
    background: linear-gradient(135deg, var(--warning) 0%, #e0a800 100%);
    color: var(--gray-900);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--gray-600) 0%, var(--gray-700) 100%);
    color: var(--white);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--accent);
    color: var(--accent);
}

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

.btn-block {
    width: 100%;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 18px 40px;
    font-size: 1.1rem;
}

/* Time Slots */
.time-slots {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    gap: 10px;
    margin-top: 10px;
}

.time-slot {
    padding: 12px 8px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-sm);
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
    font-size: 0.9rem;
    background: var(--white);
}

.time-slot:hover {
    border-color: var(--accent);
    background: rgba(233, 69, 96, 0.05);
}

.time-slot.selected {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--white);
}

.time-slot.disabled {
    background: var(--gray-100);
    border-color: var(--gray-200);
    color: var(--gray-400);
    cursor: not-allowed;
    opacity: 0.6;
}

.time-slot.morning {
    border-left: 4px solid var(--gold);
}

.time-slot.afternoon {
    border-left: 4px solid var(--info);
}

/* Period Selector */
.period-selector {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.period-btn {
    flex: 1;
    padding: 15px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
    background: var(--white);
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
}

.period-btn i {
    font-size: 1.5rem;
    margin-bottom: 5px;
    display: block;
}

.period-btn span {
    font-weight: 600;
    font-size: 0.9rem;
}

.period-btn:hover {
    border-color: var(--accent);
}

.period-btn.active {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--white);
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 15px;
    margin-top: 15px;
}

.service-card {
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    background: var(--white);
}

.service-card:hover {
    border-color: var(--accent);
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.service-card.selected {
    border-color: var(--accent);
    background: rgba(233, 69, 96, 0.05);
}

.service-card h4 {
    color: var(--primary);
    margin-bottom: 8px;
    font-size: 1.1rem;
}

.service-card p {
    color: var(--gray-600);
    font-size: 0.9rem;
    margin-bottom: 10px;
}

.service-card .price {
    color: var(--accent);
    font-weight: 700;
    font-size: 1.2rem;
}

.service-card .duration {
    color: var(--gray-500);
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 5px;
}

/* Calendar */
.calendar {
    background: var(--white);
    border-radius: var(--radius);
    overflow: hidden;
}

.calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    background: var(--primary);
    color: var(--white);
}

.calendar-header button {
    background: none;
    border: none;
    color: var(--white);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 5px 10px;
    border-radius: var(--radius-sm);
    transition: background 0.3s;
}

.calendar-header button:hover {
    background: rgba(255,255,255,0.1);
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 1px;
    background: var(--gray-200);
}

.calendar-day-header {
    background: var(--gray-100);
    padding: 10px;
    text-align: center;
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--gray-700);
}

.calendar-day {
    background: var(--white);
    padding: 10px;
    min-height: 50px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
    font-weight: 500;
}

.calendar-day:hover:not(.disabled):not(.empty) {
    background: rgba(233, 69, 96, 0.1);
}

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

.calendar-day.disabled {
    color: var(--gray-400);
    cursor: not-allowed;
}

.calendar-day.empty {
    background: var(--gray-50);
    cursor: default;
}

.calendar-day.today {
    border: 2px solid var(--accent);
}

/* Alerts */
.alert {
    padding: 15px 20px;
    border-radius: var(--radius);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.alert-success {
    background: rgba(40, 167, 69, 0.1);
    border: 1px solid var(--success);
    color: var(--success);
}

.alert-danger {
    background: rgba(220, 53, 69, 0.1);
    border: 1px solid var(--danger);
    color: var(--danger);
}

.alert-warning {
    background: rgba(255, 193, 7, 0.1);
    border: 1px solid var(--warning);
    color: #856404;
}

.alert-info {
    background: rgba(23, 162, 184, 0.1);
    border: 1px solid var(--info);
    color: var(--info);
}

/* Tables */
.table-container {
    overflow-x: auto;
}

.table {
    width: 100%;
    border-collapse: collapse;
}

.table th,
.table td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid var(--gray-200);
}

.table th {
    background: var(--gray-100);
    font-weight: 600;
    color: var(--gray-700);
    text-transform: uppercase;
    font-size: 0.85rem;
}

.table tr:hover {
    background: var(--gray-50);
}

.table .badge {
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.badge-success {
    background: rgba(40, 167, 69, 0.1);
    color: var(--success);
}

.badge-danger {
    background: rgba(220, 53, 69, 0.1);
    color: var(--danger);
}

.badge-warning {
    background: rgba(255, 193, 7, 0.1);
    color: #856404;
}

.badge-info {
    background: rgba(23, 162, 184, 0.1);
    color: var(--info);
}

/* Dashboard Stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 25px;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 15px;
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.stat-icon.primary {
    background: rgba(233, 69, 96, 0.1);
    color: var(--accent);
}

.stat-icon.success {
    background: rgba(40, 167, 69, 0.1);
    color: var(--success);
}

.stat-icon.warning {
    background: rgba(255, 193, 7, 0.1);
    color: var(--warning);
}

.stat-icon.danger {
    background: rgba(220, 53, 69, 0.1);
    color: var(--danger);
}

.stat-content h3 {
    font-size: 1.8rem;
    color: var(--gray-800);
    margin-bottom: 5px;
}

.stat-content p {
    color: var(--gray-600);
    font-size: 0.9rem;
}

/* Login Page */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.login-card {
    width: 100%;
    max-width: 450px;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.login-header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: var(--white);
    padding: 40px;
    text-align: center;
}

.login-header .logo-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    font-size: 35px;
}

.login-header h1 {
    font-size: 1.8rem;
    margin-bottom: 5px;
}

.login-header p {
    opacity: 0.9;
}

.login-body {
    padding: 40px;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--white);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    animation: modalSlide 0.3s ease;
}

@keyframes modalSlide {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    padding: 20px;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    color: var(--primary);
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--gray-500);
    transition: color 0.3s;
}

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

.modal-body {
    padding: 20px;
}

.modal-footer {
    padding: 20px;
    border-top: 1px solid var(--gray-200);
    display: flex;
    gap: 10px;
    justify-content: flex-end;
}

/* Loading */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    border-top-color: var(--white);
    animation: spin 1s ease-in-out infinite;
}

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

/* Footer */
.footer {
    background: var(--primary);
    color: var(--white);
    padding: 30px 0;
    text-align: center;
    margin-top: 50px;
}

.footer p {
    opacity: 0.8;
    font-size: 0.9rem;
}

.footer a {
    color: var(--gold);
    text-decoration: none;
}

/* Responsive */
@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--primary);
        flex-direction: column;
        padding: 20px;
        gap: 10px;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .card-header h1 {
        font-size: 1.4rem;
    }
    
    .card-body {
        padding: 20px;
    }
    
    .page-header {
        padding: 30px 0;
    }
    
    .page-header h1 {
        font-size: 1.5rem;
    }
    
    .time-slots {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .stat-card {
        padding: 15px;
    }
    
    .stat-icon {
        width: 45px;
        height: 45px;
        font-size: 1.2rem;
    }
    
    .stat-content h3 {
        font-size: 1.4rem;
    }
    
    .period-selector {
        flex-direction: column;
    }
    
    .login-header {
        padding: 30px 20px;
    }
    
    .login-body {
        padding: 30px 20px;
    }
    
    .table th,
    .table td {
        padding: 10px;
        font-size: 0.9rem;
    }
    
    .btn {
        padding: 12px 20px;
    }
    
    .btn-lg {
        padding: 15px 30px;
    }
}

@media (max-width: 480px) {
    .time-slots {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .calendar-day {
        padding: 8px;
        min-height: 40px;
        font-size: 0.9rem;
    }
}

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

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

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

::-webkit-scrollbar-track {
    background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
    background: var(--gray-400);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-500);
}