/* Randevu Sistemi - Clean & Modern CSS */

:root {
    --primary-color: #1a1a1a;
    --secondary-color: #4a4a4a;
    --accent-color: #666666;
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;
    --border-color: #e0e0e0;
    --text-dark: #1a1a1a;
    --text-muted: #6c757d;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-light);
}

/* Navigation */
.navbar {
    background-color: var(--bg-white) !important;
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    z-index: 1030;
}

.navbar.sticky-top {
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
}

.navbar-brand {
    font-weight: 600;
    font-size: 1.25rem;
    color: var(--primary-color);
}

.navbar-brand i {
    color: var(--primary-color);
}

.nav-link {
    color: var(--text-dark);
    font-weight: 500;
    cursor: pointer;
}

.nav-link:hover {
    color: var(--primary-color);
}

.nav-link.dropdown-toggle {
    cursor: pointer;
}

.navbar-toggler {
    border-color: var(--border-color);
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 0.25rem rgba(26, 26, 26, 0.1);
}

.dropdown-menu {
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
    z-index: 1060 !important;
}

.dropdown-item:hover {
    background-color: var(--bg-light);
}

.navbar .dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    left: auto;
    z-index: 1060 !important;
}

.navbar .dropdown {
    position: relative;
    z-index: 1040;
}

/* Hero Section */
.hero-section {
    background-color: var(--bg-white);
    border-bottom: 1px solid var(--border-color);
    padding: 80px 0;
    text-align: center;
}

.hero-section h1 {
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.hero-section p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    color: var(--text-muted);
}

/* Cards */
.card {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background-color: var(--bg-white);
    box-shadow: var(--shadow-sm);
}

.service-card {
    transition: box-shadow 0.2s ease, transform 0.2s ease;
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.service-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.service-card .card-header {
    background-color: var(--bg-light);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 1.5rem;
    font-weight: 600;
}

.service-card .card-body {
    padding: 1.5rem;
}

/* Buttons */
.btn {
    border-radius: 6px;
    padding: 10px 24px;
    font-weight: 500;
    transition: all 0.2s ease;
    border: 1px solid transparent;
}

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

.btn-primary:hover {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
    transform: none;
    box-shadow: var(--shadow-sm);
}

.btn-outline-primary {
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    background-color: transparent;
}

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

.btn-secondary {
    background-color: var(--bg-light);
    border-color: var(--border-color);
    color: var(--text-dark);
}

.btn-secondary:hover {
    background-color: var(--border-color);
}

/* Form Styling */
.form-control, .form-select {
    border-radius: 6px;
    border: 1px solid var(--border-color);
    padding: 10px 14px;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    background-color: var(--bg-white);
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(26, 26, 26, 0.08);
    outline: none;
}

.form-label {
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

/* Login/Register Forms */
.auth-container {
    min-height: 80vh;
    display: flex;
    align-items: center;
}

.auth-card {
    background: var(--bg-white);
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
}

.auth-header {
    background-color: var(--bg-light);
    border-bottom: 1px solid var(--border-color);
    padding: 2rem;
    text-align: center;
}

.auth-header h2 {
    color: var(--primary-color);
    font-weight: 600;
}

.auth-body {
    padding: 2rem;
}

/* Appointment Calendar */
.calendar-container {
    background: var(--bg-white);
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    padding: 1.5rem;
}

.time-slot {
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 10px;
    margin: 5px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
    background-color: var(--bg-white);
}

.time-slot:hover {
    border-color: var(--primary-color);
    background-color: var(--bg-light);
}

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

.time-slot.disabled {
    background-color: var(--bg-light);
    color: var(--text-muted);
    cursor: not-allowed;
    opacity: 0.5;
}

.time-slot.occupied {
    background-color: #dc3545;
    color: white;
    cursor: not-allowed;
    border-color: #dc3545;
}

.time-slot.occupied:hover {
    background-color: #dc3545;
    border-color: #dc3545;
}

/* Status Badges */
.badge {
    padding: 6px 12px;
    border-radius: 4px;
    font-weight: 500;
}

.status-pending {
    background-color: #ffc107;
    color: #000;
}

.status-approved {
    background-color: #28a745;
    color: #fff;
}

.status-rejected {
    background-color: #dc3545;
    color: #fff;
}

.status-cancelled {
    background-color: #6c757d;
    color: #fff;
}

.status-completed {
    background-color: #17a2b8;
    color: #fff;
}

/* Appointment Cards */
.appointment-card {
    border-left: 3px solid var(--primary-color);
    border-radius: 6px;
    transition: box-shadow 0.2s ease;
}

.appointment-card:hover {
    box-shadow: var(--shadow-md);
}

/* Staff Cards */
.staff-card {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    transition: box-shadow 0.2s ease, border-color 0.2s ease;
    cursor: pointer;
    background-color: var(--bg-white);
}

.staff-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.staff-card.selected {
    border: 2px solid var(--primary-color);
    box-shadow: var(--shadow-md);
}

.staff-avatar {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background-color: var(--bg-light);
    border: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0 auto 1rem;
}

/* Service Cards */
.service-item {
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 14px;
    margin-bottom: 10px;
    cursor: pointer;
    transition: all 0.2s ease;
    user-select: none;
    background-color: var(--bg-white);
}

.service-item:hover {
    border-color: var(--primary-color);
    background-color: var(--bg-light);
}

.service-item.selected {
    border-color: var(--primary-color);
    background-color: var(--bg-light);
    border-width: 2px;
}

.service-item .form-check-label {
    cursor: pointer;
    width: 100%;
}

/* Date Navigation */
.date-navigation-container {
    background: var(--bg-white);
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

.date-navigation-container .btn {
    min-width: 42px;
    height: 42px;
    border-radius: 6px;
}

.date-navigation-container .btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.quick-date-options .btn-group {
    border-radius: 6px;
}

.quick-date-options .btn.active {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.selected-date-display .alert {
    border-radius: 6px;
    border: 1px solid var(--border-color);
    background-color: var(--bg-light);
    color: var(--text-dark);
}

/* Loading Spinner */
.spinner-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

/* Admin Panel */
.admin-sidebar {
    background-color: var(--bg-white);
    border-right: 1px solid var(--border-color);
    min-height: calc(100vh - 56px);
}

.admin-sidebar .nav-link {
    color: var(--text-dark);
    border-radius: 6px;
    margin: 2px 0;
    padding: 10px 16px;
}

.admin-sidebar .nav-link:hover {
    background-color: var(--bg-light);
}

.admin-sidebar .nav-link.active {
    background-color: var(--primary-color);
    color: white;
}

.admin-stats-card {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background-color: var(--bg-white);
    box-shadow: var(--shadow-sm);
}

.admin-stats-card .card-body {
    padding: 1.5rem;
}

.admin-stats-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
}

/* Table Styling */
.table {
    background-color: var(--bg-white);
}

.table thead th {
    border-bottom: 2px solid var(--border-color);
    font-weight: 600;
    color: var(--text-dark);
}

.table tbody td {
    border-bottom: 1px solid var(--border-color);
}

/* Alert Styling */
.alert {
    border-radius: 6px;
    border: 1px solid transparent;
}

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

::-webkit-scrollbar-track {
    background: var(--bg-light);
}

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

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-color);
}

/* Responsive */
@media (max-width: 768px) {
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .auth-body {
        padding: 1.5rem;
    }
    
    .calendar-container {
        padding: 1rem;
    }
}

/* Icon Sizes */
.icon-lg {
    font-size: 2.5rem;
}

.icon-xl {
    font-size: 3rem;
}

/* Working Schedule */
.working-day-card {
    border: 1px solid var(--border-color);
    transition: all 0.2s ease;
    background-color: var(--bg-white);
}

.working-day-card.active {
    border-color: #28a745;
    background-color: var(--bg-light);
}

.time-input {
    max-width: 120px;
}

.special-day-item {
    border-left: 3px solid #dc3545;
    background-color: var(--bg-light);
}

.special-day-item.custom-hours {
    border-left-color: #fd7e14;
    background-color: var(--bg-light);
}

/* Print Styles */
@media print {
    .navbar, .footer, .btn {
        display: none !important;
    }
    
    .container {
        width: 100% !important;
        max-width: none !important;
    }
}