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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

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


.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo i {
    font-size: 2rem;
    color: #667eea;
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #333;
}

.nav {
    display: flex;
    gap: 0.5rem;
}

.nav-btn {
    padding: 0.75rem 1.5rem;
    border: none;
    background: transparent;
    color: #666;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
}

.nav-btn:hover {
    background: rgba(102, 126, 234, 0.1);
    color: #667eea;
}

.nav-btn.active {
    background: #667eea;
    color: white;
}


.main {
    padding: 2rem 0;
}

.section {
    display: none;
}

.section.active {
    display: block;
}


.dashboard-header {
    text-align: center;
    margin-bottom: 3rem;
    color: white;
}

.dashboard-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.dashboard-header p {
    font-size: 1.1rem;
    opacity: 0.9;
}


.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.stat-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 2rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
}

.stat-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
}

.stat-content h3 {
    font-size: 2rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 0.25rem;
}

.stat-content p {
    color: #666;
    font-weight: 500;
}


.search-section {
    margin-bottom: 3rem;
}

.search-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.search-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: #333;
}

.search-controls {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    align-items: end;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.input-group label {
    font-weight: 600;
    color: #555;
}

.form-control {
    padding: 0.75rem 1rem;
    border: 2px solid #e1e5e9;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: #667eea;
}

.form-text {
    font-size: 0.875rem;
    color: #666;
    margin-top: 0.25rem;
}

.form-text code {
    background: rgba(102, 126, 234, 0.1);
    color: #667eea;
    padding: 0.125rem 0.25rem;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
}


.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
}

.btn-success {
    background: linear-gradient(135deg, #56ab2f, #a8e6cf);
    color: white;
}

.btn-danger {
    background: linear-gradient(135deg, #ff416c, #ff4b2b);
    color: white;
}


.results-section {
    margin-bottom: 3rem;
}

.loading {
    text-align: center;
    padding: 3rem;
    color: white;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top: 4px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

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

    100% {
        transform: rotate(360deg);
    }
}

.results-container {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.results-container h3 {
    margin-bottom: 1.5rem;
    color: #333;
}

.error-message {
    background: rgba(255, 107, 107, 0.1);
    border: 1px solid rgba(255, 107, 107, 0.3);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    color: #d63031;
}

.error-message i {
    font-size: 2rem;
    margin-bottom: 1rem;
}


.holiday-card {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    padding: 1.5rem;
    border-radius: 12px;
    margin-bottom: 1rem;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.holiday-card h4 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.holiday-card p {
    opacity: 0.9;
}


.upcoming-section {
    margin-bottom: 3rem;
}

.upcoming-section h3 {
    color: white;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.upcoming-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1rem;
}

.upcoming-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    border-left: 4px solid #667eea;
}

.upcoming-card h4 {
    color: #333;
    margin-bottom: 0.5rem;
}

.upcoming-card .date {
    color: #667eea;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.upcoming-card .days-left {
    color: #666;
    font-size: 0.9rem;
}


.calendar-header {
    text-align: center;
    margin-bottom: 2rem;
    color: white;
}

.calendar-header h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.calendar-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
}

.calendar-controls h3 {
    font-size: 1.5rem;
    min-width: 150px;
}

.calendar-container {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

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

.calendar-weekdays div {
    padding: 1rem;
    text-align: center;
    font-weight: 600;
    color: #667eea;
    background: rgba(102, 126, 234, 0.1);
    border-radius: 8px;
}

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

.calendar-day {
    aspect-ratio: 1;
    padding: 0.5rem;
    text-align: center;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    background: rgba(255, 255, 255, 0.5);
}

.calendar-day:hover {
    background: rgba(102, 126, 234, 0.1);
}

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

.calendar-day.holiday {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    font-weight: 600;
}

.calendar-day.holiday::after {
    content: '🎉';
    position: absolute;
    top: 2px;
    right: 2px;
    font-size: 0.8rem;
}

.calendar-day.holiday {
    position: relative;
    cursor: pointer;
}

.holiday-name {
    position: absolute;
    bottom: 2px;
    left: 2px;
    right: 2px;
    font-size: 0.6rem;
    font-weight: 600;
    color: white;
    background: rgba(0, 0, 0, 0.7);
    padding: 1px 2px;
    border-radius: 3px;
    text-align: center;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.calendar-day.holiday:hover .holiday-name {
    opacity: 1;
}

.calendar-day.today {
    background: #ffd700;
    color: #333;
    font-weight: 700;
}


.admin-header {
    text-align: center;
    margin-bottom: 3rem;
    color: white;
}

.admin-header h2 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.admin-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.admin-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.admin-card h3 {
    margin-bottom: 1.5rem;
    color: #333;
}

.admin-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 600;
    color: #555;
}

.admin-message {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    margin-top: 2rem;
}

.admin-message.success {
    background: rgba(86, 171, 47, 0.1);
    border: 1px solid rgba(86, 171, 47, 0.3);
    color: #2d5a1e;
}

.admin-message.error {
    background: rgba(255, 107, 107, 0.1);
    border: 1px solid rgba(255, 107, 107, 0.3);
    color: #d63031;
}


.footer {
    background: rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    padding: 2rem 0;
    text-align: center;
    color: white;
    margin-top: 3rem;
}


.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
}

.toast {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 8px;
    padding: 1rem 1.5rem;
    margin-bottom: 0.5rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    animation: slideIn 0.3s ease;
}

.toast.success {
    border-left: 4px solid #56ab2f;
}

.toast.error {
    border-left: 4px solid #ff416c;
}

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

    to {
        transform: translateX(0);
        opacity: 1;
    }
}


.holiday-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    animation: fadeIn 0.3s ease;
}

.modal-content {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 0;
    max-width: 400px;
    width: 90%;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: slideIn 0.3s ease;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 1.5rem 1rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.modal-header h3 {
    margin: 0;
    color: #333;
    font-size: 1.25rem;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: #666;
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.modal-close:hover {
    background: rgba(102, 126, 234, 0.1);
    color: #667eea;
}

.modal-body {
    padding: 1.5rem;
}

.holiday-detail {
    margin-bottom: 1rem;
    padding: 0.75rem;
    background: rgba(102, 126, 234, 0.05);
    border-radius: 8px;
    border-left: 3px solid #667eea;
}

.holiday-detail:last-child {
    margin-bottom: 0;
}

.holiday-detail strong {
    color: #667eea;
    display: block;
    margin-bottom: 0.25rem;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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


.docs-header {
    text-align: center;
    margin-bottom: 3rem;
    color: white;
}

.docs-header h2 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.docs-container {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.docs-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.docs-card h3 {
    color: #333;
    margin-bottom: 1.5rem;
    font-size: 1.25rem;
}


.api-info {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem;
    background: rgba(102, 126, 234, 0.05);
    border-radius: 8px;
    border-left: 3px solid #667eea;
}

.info-item strong {
    color: #667eea;
    min-width: 150px;
}

.info-item code {
    background: rgba(102, 126, 234, 0.1);
    color: #667eea;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
}

.docs-link {
    color: #667eea;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

.docs-link:hover {
    color: #764ba2;
    transform: translateY(-1px);
}


.endpoints-grid {
    display: grid;
    gap: 1rem;
}

.endpoint-item {
    padding: 1rem;
    border: 1px solid rgba(102, 126, 234, 0.2);
    border-radius: 8px;
    background: rgba(102, 126, 234, 0.02);
}

.endpoint-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
}

.method {
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    min-width: 60px;
    text-align: center;
}

.method.get {
    background: #10b981;
    color: white;
}

.method.post {
    background: #3b82f6;
    color: white;
}

.method.delete {
    background: #ef4444;
    color: white;
}

.endpoint-item code {
    background: rgba(0, 0, 0, 0.1);
    color: #333;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
}

.endpoint-item p {
    color: #666;
    margin-bottom: 0.5rem;
}

.endpoint-details {
    font-size: 0.875rem;
    color: #666;
    background: rgba(0, 0, 0, 0.05);
    padding: 0.5rem;
    border-radius: 4px;
    margin-top: 0.5rem;
}


.examples-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1rem;
}

.example-item {
    padding: 1rem;
    border: 1px solid rgba(102, 126, 234, 0.2);
    border-radius: 8px;
    background: rgba(102, 126, 234, 0.02);
}

.example-item h4 {
    color: #333;
    margin-bottom: 0.75rem;
    font-size: 1rem;
}

.code-block {
    background: rgba(0, 0, 0, 0.05);
    padding: 0.75rem;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 0.875rem;
    line-height: 1.4;
}

.code-block code {
    color: #333;
}


.response-examples {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1rem;
}

.response-item {
    padding: 1rem;
    border: 1px solid rgba(102, 126, 234, 0.2);
    border-radius: 8px;
    background: rgba(102, 126, 234, 0.02);
}

.response-item h4 {
    color: #333;
    margin-bottom: 0.75rem;
    font-size: 1rem;
}

.json-example {
    background: rgba(0, 0, 0, 0.05);
    padding: 1rem;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 0.875rem;
    line-height: 1.4;
    color: #333;
    overflow-x: auto;
    white-space: pre-wrap;
}


.error-examples {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1rem;
}

.error-item {
    padding: 1rem;
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: 8px;
    background: rgba(239, 68, 68, 0.02);
}

.error-item h4 {
    color: #333;
    margin-bottom: 0.75rem;
    font-size: 1rem;
}


@media (max-width: 768px) {
    .examples-grid,
    .response-examples,
    .error-examples {
        grid-template-columns: 1fr;
    }
    
    .info-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .info-item strong {
        min-width: auto;
    }
}


.hidden {
    display: none !important;
}


@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 1rem;
    }

    .nav {
        width: 100%;
        justify-content: center;
    }

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

    .search-controls {
        grid-template-columns: 1fr;
    }

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

    .calendar-controls {
        flex-direction: column;
        gap: 1rem;
    }

    .dashboard-header h2 {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .stat-card {
        padding: 1.5rem;
    }

    .search-card {
        padding: 1.5rem;
    }

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