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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f5f5f5;
    color: #333;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Navbar */
.navbar {
    background-color: #2c3e50;
    color: white;
    padding: 15px 0;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

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

.navbar h1 {
    font-size: 24px;
}

.navbar span {
    margin-right: 15px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s ease;
    margin: 5px;
}

.btn-primary {
    background-color: #3498db;
    color: white;
}

.btn-primary:hover {
    background-color: #2980b9;
}

.btn-secondary {
    background-color: #95a5a6;
    color: white;
}

.btn-secondary:hover {
    background-color: #7f8c8d;
}

.btn-success {
    background-color: #27ae60;
    color: white;
}

.btn-success:hover {
    background-color: #229954;
}

.btn-danger {
    background-color: #e74c3c;
    color: white;
}

.btn-danger:hover {
    background-color: #c0392b;
}

.btn-warning {
    background-color: #f39c12;
    color: white;
}

.btn-warning:hover {
    background-color: #d68910;
}

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

.btn-small {
    padding: 5px 10px;
    font-size: 12px;
}

.btn-lg {
    padding: 15px 30px;
    font-size: 18px;
}

/* Cards */
.card {
    background: white;
    border-radius: 8px;
    padding: 20px;
    margin: 20px 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    border-bottom: 2px solid #ecf0f1;
    padding-bottom: 15px;
}

.card h2, .card h3 {
    color: #2c3e50;
    margin-bottom: 15px;
}

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

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    color: #2c3e50;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group input[type="password"],
.form-group input[type="date"],
.form-group input[type="time"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 14px;
}

.form-group textarea {
    resize: vertical;
}

/* Alerts */
.alert {
    padding: 15px;
    border-radius: 5px;
    margin: 15px 0;
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.alert-danger {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.alert-info {
    background-color: #d1ecf1;
    color: #0c5460;
    border: 1px solid #bee5eb;
}

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

.table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
}

.table thead {
    background-color: #34495e;
    color: white;
}

.table th,
.table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

.table tbody tr:hover {
    background-color: #f5f5f5;
}

.table .actions {
    white-space: nowrap;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 5px 10px;
    border-radius: 3px;
    font-size: 12px;
    font-weight: 600;
}

.badge-pending {
    background-color: #f39c12;
    color: white;
}

.badge-approved {
    background-color: #27ae60;
    color: white;
}

.badge-rejected {
    background-color: #e74c3c;
    color: white;
}

.badge-cancelled {
    background-color: #95a5a6;
    color: white;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin: 20px 0;
}

.stat-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 20px;
    border-radius: 8px;
    text-align: center;
}

.stat-card h3 {
    font-size: 16px;
    margin-bottom: 10px;
    color: white;
}

.stat-number {
    font-size: 36px;
    font-weight: bold;
}

/* Login Box */
.login-box {
    max-width: 400px;
    margin: 100px auto;
    background: white;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 40px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 8px;
    margin-bottom: 30px;
}

.hero h2 {
    font-size: 32px;
    margin-bottom: 15px;
    color: white;
}

.hero p {
    font-size: 18px;
    margin: 10px 0;
}

/* Button Group */
.button-group {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
    margin: 30px 0;
}

/* Lane Grid */
.lane-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
    margin-top: 20px;
}

.lane-card {
    padding: 20px;
    border-radius: 8px;
    text-align: center;
    color: white;
    font-weight: 600;
}

.lane-card.available {
    background-color: #27ae60;
}

.lane-card.occupied {
    background-color: #e74c3c;
}

.lane-card.partially-booked {
    background-color: #3498db;
}

.lane-card.mostly-booked {
    background-color: #f39c12;
}

.lane-card.fully-booked {
    background-color: #e74c3c;
}

.lane-card h4 {
    margin-bottom: 10px;
    font-size: 18px;
}

.lane-status-text {
    font-size: 14px;
    font-weight: 600;
}

.lane-available-time {
    font-size: 12px;
    margin-top: 5px;
    opacity: 0.9;
}

/* Booking Details */
.booking-details {
    margin-top: 20px;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    padding: 12px;
    border-bottom: 1px solid #ecf0f1;
}

.detail-label {
    font-weight: 600;
    color: #2c3e50;
}

.detail-value {
    color: #555;
}

/* Filter Buttons */
.filter-buttons {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

/* Calendar Styles */
.calendar-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 20px;
    gap: 15px;
}

.view-buttons,
.date-controls {
    display: flex;
    gap: 5px;
}

#calendar-title {
    flex: 1 100%;
    text-align: center;
    color: #2c3e50;
    margin-top: 10px;
}

.calendar-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

.calendar-table th {
    background-color: #34495e;
    color: white;
    padding: 10px;
    text-align: center;
}

.calendar-table td {
    border: 1px solid #ddd;
    padding: 10px;
    text-align: center;
    vertical-align: top;
}

.time-cell {
    font-weight: 600;
    background-color: #ecf0f1;
}

.lane-cell {
    font-weight: 600;
    background-color: #ecf0f1;
}

.free-cell {
    background-color: #d5f4e6;
    color: #27ae60;
}

.booked-cell {
    background-color: #fadbd8;
    color: #e74c3c;
    font-size: 12px;
}

/* Month View */
.calendar-day {
    height: 100px;
    padding: 5px;
    position: relative;
}

.calendar-day.other-month {
    background-color: #f9f9f9;
    color: #999;
}

.calendar-day.today {
    background-color: #fff9e6;
    border: 2px solid #f39c12;
}

.day-number {
    font-weight: 600;
    margin-bottom: 5px;
}

.day-bookings {
    font-size: 11px;
    color: #e74c3c;
    font-weight: 600;
    margin-bottom: 3px;
}

.day-blocked {
    font-size: 11px;
    color: #e74c3c;
    font-weight: 600;
    background-color: #fee;
    padding: 4px;
    border-radius: 3px;
    text-align: center;
}

/* Closed (Sunday) styles */
.closed-cell {
    background-color: #f0f0f0 !important;
    color: #777 !important;
    font-weight: 700;
}

.calendar-day .day-blocked {
    background-color: #f9f9f9;
    color: #555;
}

.blocked-cell {
    background-color: #fee !important;
    color: #e74c3c !important;
    font-weight: 600;
    text-align: center;
}

.blocked-date-cell {
    background-color: #fee !important;
    color: #e74c3c !important;
    font-weight: 600;
    text-align: center;
    padding: 40px !important;
    font-size: 16px;
}

.booking-item {
    font-size: 10px;
    background-color: #3498db;
    color: white;
    padding: 2px 4px;
    margin: 2px 0;
    border-radius: 3px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.booking-item a {
    color: white;
    text-decoration: none;
}

.booking-item a:hover {
    text-decoration: underline;
}

.booking-link {
    color: white;
    text-decoration: none;
}

.booking-link:hover {
    text-decoration: underline;
}

/* Utility Classes */
.text-center {
    text-align: center;
}

/* Calendar booking contrast fixes */
/* Ensure booked cells show readable text over their background */
.calendar-table .booked-cell,
.calendar-table .booked-cell a {
    color: #111; /* dark text for contrast on light/red backgrounds */
}

/* Note: keep `.booking-item` colors as defined earlier to preserve
    contrast on blue booking pills. Do not override here. */

/* Stronger rules to handle specificity and cached styles — ensure links
   inside booked cells are dark and readable. Use !important only here to
   override any conflicting rule that forces white text. */
.calendar-table td.booked-cell {
    background-color: #fadbd8; /* keep existing light pink */
    color: #111;
}
.calendar-table td.booked-cell a,
.calendar-table td.booked-cell .booking-link {
    color: #111 !important;
    text-decoration: none;
}

/* Responsive Design */
@media (max-width: 768px) {
    .navbar .container {
        flex-direction: column;
        text-align: center;
    }

    .card-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .filter-buttons {
        width: 100%;
        margin-top: 10px;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .calendar-controls {
        flex-direction: column;
    }

    .table {
        font-size: 12px;
    }

    .table th,
    .table td {
        padding: 8px 4px;
    }

    .hero {
        padding: 20px;
    }

    .hero h2 {
        font-size: 24px;
    }

    .hero p {
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .btn {
        padding: 8px 15px;
        font-size: 12px;
    }

    .btn-lg {
        padding: 12px 20px;
        font-size: 14px;
    }
}

/* Admin specific styles */
.admin-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    color: white;
}

.admin-header h1 {
    margin: 0 0 10px 0;
    font-size: 28px;
}

.admin-nav {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.admin-nav a {
    color: white;
    text-decoration: none;
    padding: 8px 15px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    transition: all 0.3s;
}

.admin-nav a:hover {
    background: rgba(255, 255, 255, 0.3);
}

.help-text {
    color: #666;
    font-size: 14px;
    margin-bottom: 15px;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
}

.data-table thead {
    background-color: #34495e;
    color: white;
}

.data-table th,
.data-table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

.data-table tbody tr:hover {
    background-color: #f8f9fa;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-bottom: 15px;
}

/* Settings Page */
.settings-section {
    margin-bottom: 30px;
    padding-bottom: 30px;
    border-bottom: 2px solid #e0e0e0;
}

.settings-section:last-of-type {
    border-bottom: none;
}

.settings-section h3 {
    color: #2c3e50;
    margin-bottom: 20px;
    font-size: 20px;
}

.settings-section .form-group {
    margin-bottom: 20px;
}

.settings-section textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-family: inherit;
    resize: vertical;
}

.settings-section small {
    display: block;
    margin-top: 5px;
    color: #666;
    font-size: 13px;
}

/* User Dashboard */
.btn-sm {
    padding: 5px 10px;
    font-size: 12px;
}

.btn-danger {
    background-color: #f44336;
    color: white;
}

.btn-danger:hover {
    background-color: #d32f2f;
}

.filter-bar {
    margin-bottom: 20px;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.table-responsive {
    overflow-x: auto;
}

/* Footer */
footer {
    background-color: #2c3e50;
    color: white;
    padding: 20px 0;
    margin-top: 40px;
    text-align: center;
    width: 100%;
    clear: both;
}

footer p {
    margin: 0;
    text-align: center;
}