/**
 * Terminkalender Styles
 * Main Color: #227ac1
 */

/* ===== CSS VARIABLES ===== */
:root {
    --primary-color: #227ac1;
    --primary-dark: #1a5f99;
    --primary-light: #4a9ed5;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
    --text-color: #000000;
    --bg-color: #ffffff;
    --border-color: #dee2e6;
    --gray-light: #f8f9fa;
    --gray-medium: #6c757d;
}

/* ===== GLOBAL RESET ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text-color);
    background-color: var(--bg-color);
    line-height: 1.6;
}

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

/* ===== HEADER ===== */
header {
    padding: 40px 20px;
    background-color: var(--primary-color);
    color: white;
    margin-bottom: 30px;
    border-radius: 8px;
}

.header-content {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 30px;
    flex-wrap: nowrap;
}

.logo-link {
    display: block;
    text-decoration: none;
    cursor: pointer;
    transition: opacity 0.3s;
}

.logo-link:hover {
    opacity: 0.8;
}

.header-logo {
    width: 100px;
    min-width: 100px;
    max-width: 100px;
    height: auto;
    flex-shrink: 0;
    display: block;
}

.header-text {
    text-align: center;
}

.homepage-link-container {
    text-align: center;
    margin-top: 20px;
}

.homepage-link {
    display: inline-block;
    color: white;
    text-decoration: none;
    font-size: 1.1em;
    font-weight: 600;
    padding: 10px 20px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 6px;
    transition: background-color 0.3s;
}

.homepage-link:hover {
    background-color: rgba(255, 255, 255, 0.3);
}

header h1 {
    font-size: 2.5em;
    margin-bottom: 10px;
}

header .subtitle {
    font-size: 1.2em;
    opacity: 0.9;
}

/* ===== LOCATION SELECTOR ===== */
.location-selector {
    margin-bottom: 30px;
    padding: 20px;
    background-color: var(--gray-light);
    border-radius: 8px;
}

.location-selector label {
    display: block;
    font-weight: bold;
    margin-bottom: 10px;
    font-size: 1.1em;
}

/* ===== FORM CONTROLS ===== */
.form-control {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    font-size: 16px;
    transition: border-color 0.3s;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
}

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

.form-group label {
    display: block;
    font-weight: bold;
    margin-bottom: 8px;
}

.form-group small {
    display: block;
    color: var(--gray-medium);
    margin-top: 5px;
    font-size: 0.9em;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.form-actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    margin-top: 20px;
}

/* ===== BUTTONS ===== */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-block;
}

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

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

.btn-secondary {
    background-color: var(--gray-medium);
    color: white;
}

.btn-secondary:hover {
    background-color: #5a6268;
}

.btn:disabled,
.btn-primary:disabled,
.btn-secondary:disabled {
    background-color: #d1d1d1;
    color: #888;
    cursor: not-allowed;
    opacity: 0.6;
}

.btn:disabled:hover,
.btn-primary:disabled:hover,
.btn-secondary:disabled:hover {
    background-color: #d1d1d1;
}

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

.btn-danger:hover {
    background-color: #c82333;
}

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

.btn-success:hover {
    background-color: #218838;
}

.btn-warning {
    background-color: var(--warning-color);
    color: #000;
}

.btn-warning:hover {
    background-color: #e0a800;
}

.btn-small {
    padding: 6px 12px;
    font-size: 14px;
}

.btn-block {
    width: 100%;
    text-align: center;
}

/* ===== CALENDAR NAVIGATION ===== */
.calendar-navigation {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding: 20px;
    background-color: var(--gray-light);
    border-radius: 8px;
}

#current-week-display {
    font-size: 1.5em;
    color: var(--primary-color);
    margin: 0;
}

/* ===== CALENDAR GRID ===== */
.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 15px;
    margin-bottom: 30px;
}

.calendar-day {
    border: 2px solid var(--border-color);
    border-radius: 8px;
    padding: 15px;
    background-color: white;
    min-height: 200px;
}

.calendar-day.past {
    background-color: var(--gray-light);
    opacity: 0.6;
}

.day-header {
    font-weight: bold;
    font-size: 1.1em;
    margin-bottom: 10px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.day-date {
    font-size: 0.9em;
    color: var(--gray-medium);
    display: block;
}

.time-slots {
    margin-top: 10px;
}

.time-slot {
    padding: 8px;
    margin-bottom: 8px;
    border-radius: 4px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 0.9em;
}

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

.time-slot.available:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

.time-slot.unavailable {
    background-color: var(--gray-light);
    color: var(--gray-medium);
    cursor: not-allowed;
}

.time-slot.booked {
    background-color: var(--danger-color);
    color: white;
    cursor: not-allowed;
}

/* ===== LEGEND ===== */
.legend {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-top: 30px;
    padding: 20px;
    background-color: var(--gray-light);
    border-radius: 8px;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 10px;
}

.legend-box {
    width: 30px;
    height: 30px;
    border-radius: 4px;
}

.legend-box.available {
    background-color: var(--primary-color);
}

.legend-box.unavailable {
    background-color: var(--gray-light);
    border: 2px solid var(--border-color);
}

.legend-box.booked {
    background-color: var(--danger-color);
}

/* ===== MODAL ===== */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.5);
}

.modal-content {
    background-color: white;
    margin: 5% auto;
    padding: 30px;
    border-radius: 8px;
    width: 90%;
    max-width: 600px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

.modal-content h2 {
    color: var(--primary-color);
    margin-bottom: 20px;
}

.close {
    color: var(--gray-medium);
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

.close:hover,
.close:focus {
    color: var(--text-color);
}

.booking-info {
    background-color: var(--gray-light);
    padding: 15px;
    border-radius: 6px;
    margin-bottom: 20px;
}

.booking-info p {
    margin-bottom: 8px;
}

/* ===== ALERTS ===== */
.alert {
    padding: 15px;
    border-radius: 6px;
    margin-bottom: 20px;
}

.alert-success,
.success-message {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
    padding: 20px;
    border-radius: 6px;
    margin-bottom: 20px;
}

.alert-error,
.error-message {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
    padding: 20px;
    border-radius: 6px;
    margin-bottom: 20px;
}

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

.alert-warning {
    background-color: #fff3cd;
    color: #856404;
    border: 1px solid #ffeeba;
}

.info-message {
    text-align: center;
    padding: 40px;
    color: var(--gray-medium);
    font-size: 1.1em;
}

/* ===== FOOTER ===== */
footer {
    text-align: center;
    padding: 30px;
    margin-top: 50px;
    border-top: 2px solid var(--border-color);
    color: var(--gray-medium);
}

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

footer a:hover {
    text-decoration: underline;
}

/* ===== ADMIN STYLES ===== */
.admin-body {
    background-color: var(--gray-light);
}

.admin-nav {
    background-color: var(--primary-color);
    color: white;
    padding: 20px 0;
    margin-bottom: 30px;
}

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

.admin-nav h1 {
    margin-bottom: 15px;
    font-size: 1.8em;
}

.nav-links {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.nav-links a {
    color: white;
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 4px;
    transition: background-color 0.3s;
}

.nav-links a:hover,
.nav-links a.active {
    background-color: var(--primary-dark);
}

.logout-link {
    margin-left: auto;
}

.admin-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px 40px;
}

.admin-header {
    background-color: white;
    padding: 30px;
    border-radius: 8px;
    margin-bottom: 30px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.admin-header h2 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

.admin-section {
    background-color: white;
    padding: 30px;
    border-radius: 8px;
    margin-bottom: 30px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.admin-section h3 {
    color: var(--primary-color);
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--primary-color);
}

.section-description {
    color: var(--gray-medium);
    margin-bottom: 20px;
}

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

.stat-card {
    background-color: white;
    padding: 30px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    border-left: 4px solid var(--primary-color);
}

.stat-number {
    font-size: 3em;
    font-weight: bold;
    color: var(--primary-color);
}

.stat-label {
    color: var(--gray-medium);
    margin-top: 10px;
}

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

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

.admin-table th,
.admin-table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.admin-table th {
    background-color: var(--primary-color);
    color: white;
    font-weight: 600;
}

.admin-table tr:hover {
    background-color: var(--gray-light);
}

.admin-table td small {
    color: var(--gray-medium);
    font-size: 0.9em;
}

.no-data {
    text-align: center;
    padding: 40px;
    color: var(--gray-medium);
    font-style: italic;
}

/* ===== INFO TABLE ===== */
.info-table {
    width: 100%;
    margin-top: 20px;
}

.info-table td {
    padding: 10px;
    border-bottom: 1px solid var(--border-color);
}

.info-table td:first-child {
    width: 200px;
}

/* ===== LOCATIONS GRID ===== */
.locations-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.location-card {
    border: 2px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    background-color: white;
}

.location-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--border-color);
}

.location-header h4 {
    color: var(--primary-color);
    margin: 0;
}

.location-status {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.85em;
    font-weight: 600;
}

.location-status.active {
    background-color: var(--success-color);
    color: white;
}

.location-status.inactive {
    background-color: var(--gray-medium);
    color: white;
}

.location-body {
    margin-bottom: 15px;
}

.location-actions {
    display: flex;
    gap: 10px;
}

/* ===== LOGIN ===== */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
}

.login-box {
    background-color: white;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
    width: 90%;
    max-width: 400px;
}

.login-box h1 {
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 10px;
}

.login-box .subtitle {
    text-align: center;
    color: var(--gray-medium);
    margin-bottom: 30px;
}

.login-footer {
    text-align: center;
    margin-top: 20px;
}

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

.login-footer a:hover {
    text-decoration: underline;
}

/* ===== ADMIN FORM ===== */
.admin-form {
    margin-top: 20px;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .calendar-grid {
        grid-template-columns: 1fr;
    }

    .calendar-navigation {
        flex-direction: column;
        gap: 15px;
    }

    #current-week-display {
        font-size: 1.2em;
    }

    .header-content {
        flex-direction: column;
        gap: 15px;
    }

    .logo-link {
        display: none;
    }

    .header-logo {
        display: none;
    }

    header h1 {
        font-size: 1.8em;
    }

    .homepage-link {
        font-size: 1em;
        padding: 8px 16px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .nav-links {
        flex-direction: column;
    }

    .logout-link {
        margin-left: 0;
    }

    .legend {
        flex-direction: column;
        gap: 15px;
    }

    .form-actions {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }
}

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

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