/* Professional All-Black Attendance System */

/* Import elegant fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Playfair+Display:wght@400;500;600;700&display=swap');

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: #000000;
    color: #ffffff;
    line-height: 1.6;
    font-weight: 300;
}

/* Hero Section - Article Style */
.attendance-hero {
    background: #000000;
    padding: 120px 0 80px;
    text-align: center;
    position: relative;
}

.attendance-hero-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

.attendance-title {
    font-family: 'Playfair Display', serif;
    font-size: 4rem;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
    line-height: 1.1;
}

.attendance-subtitle {
    font-size: 1.25rem;
    color: #a0a0a0;
    font-weight: 300;
    letter-spacing: 0.01em;
    margin-bottom: 0;
}

/* Main Section - Clean Layout */
.attendance-main {
    padding: 60px 0 120px;
    background: #000000;
    min-height: 70vh;
}

.container {
    max-width: 700px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Remove all card styling - Clean article layout */
.attendance-card, .success-card, .admin-card {
    background: transparent;
    border: none;
    border-radius: 0;
    padding: 0;
    margin-bottom: 60px;
    box-shadow: none;
    transition: none;
}

.attendance-card:hover, .success-card:hover, .admin-card:hover {
    transform: none;
    box-shadow: none;
    border-color: transparent;
}

/* Section Headers - Article Style */
.card-header {
    text-align: left;
    margin-bottom: 40px;
    border-bottom: 1px solid #333333;
    padding-bottom: 20px;
}

.card-header h2 {
    font-family: 'Playfair Display', serif;
    color: #ffffff;
    font-size: 2.5rem;
    margin-bottom: 12px;
    font-weight: 500;
    letter-spacing: -0.01em;
}

.card-header p {
    color: #888888;
    font-size: 1.1rem;
    font-weight: 300;
    line-height: 1.5;
}

/* Form Styles - Minimal and Professional */
.attendance-form {
    max-width: 100%;
    margin: 0;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 30px;
}

.form-group label {
    display: block;
    color: #ffffff;
    font-weight: 500;
    margin-bottom: 12px;
    font-size: 1rem;
    letter-spacing: 0.01em;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 16px 0;
    background: transparent;
    border: none;
    border-bottom: 1px solid #333333;
    color: #ffffff;
    font-size: 1.1rem;
    font-weight: 300;
    transition: all 0.3s ease;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-bottom-color: #ffffff;
    background: transparent;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #666666;
    font-weight: 300;
}

.form-group select option {
    background: #000000;
    color: #ffffff;
    padding: 10px;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
    border-bottom: 1px solid #333333;
}

/* Submit Button - Elegant and Minimal */
.submit-btn {
    width: 100%;
    background: #ffffff;
    color: #000000;
    border: none;
    padding: 20px;
    border-radius: 0;
    font-size: 1.1rem;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    transition: all 0.3s ease;
    margin-top: 40px;
    font-family: 'Inter', sans-serif;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

.submit-btn:hover {
    background: #f0f0f0;
    transform: translateY(-1px);
}

.submit-btn:active {
    transform: translateY(0);
}

.submit-icon {
    font-size: 1.2rem;
}

/* Success Section - Clean Typography */
.success-card {
    text-align: left;
    border: none;
    background: transparent;
}

.success-content {
    padding: 0;
}

.success-icon {
    font-size: 3rem;
    margin-bottom: 30px;
    display: block;
    text-align: left;
}

.success-card h3 {
    font-family: 'Playfair Display', serif;
    color: #ffffff;
    font-size: 2.2rem;
    margin-bottom: 20px;
    font-weight: 500;
    letter-spacing: -0.01em;
}

.success-card p {
    color: #a0a0a0;
    font-size: 1.1rem;
    margin-bottom: 30px;
    font-weight: 300;
    line-height: 1.6;
}

.attendance-details {
    background: transparent;
    padding: 30px 0;
    border-radius: 0;
    margin: 30px 0;
    text-align: left;
    border-top: 1px solid #333333;
    border-bottom: 1px solid #333333;
}

.attendance-details p {
    margin: 12px 0;
    color: #ffffff;
    font-size: 1rem;
    font-weight: 300;
}

.attendance-details strong {
    font-weight: 500;
    color: #ffffff;
}

/* Reward Car Image Styling */
.reward-image-container {
    text-align: center;
    margin: 40px 0;
    padding: 30px 0;
    clear: both;
    position: relative;
}

.reward-car-image {
    width: 100%;
    max-width: 500px;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(255, 255, 255, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    margin: 0 auto 25px auto;
    display: block;
    object-fit: cover;
    aspect-ratio: 16/9;
}

.reward-car-image:hover {
    transform: scale(1.02);
    box-shadow: 0 12px 48px rgba(255, 255, 255, 0.15);
}

.reward-text {
    margin-top: 25px;
    text-align: center;
}

.reward-text h4 {
    font-family: 'Playfair Display', serif;
    font-size: 1.8rem;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 15px;
    letter-spacing: 0.02em;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    line-height: 1.4;
}

.reward-text p {
    font-size: 1.1rem;
    color: #a0a0a0;
    font-weight: 300;
    line-height: 1.6;
    margin: 0;
}

/* Legacy support for old class names */
.thank-you-image {
    text-align: center;
    margin-bottom: 40px;
    padding: 30px 0;
    clear: both;
}

.car-thank-you {
    width: 100%;
    max-width: 450px;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(255, 255, 255, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    margin-bottom: 25px;
    display: block;
}

.car-thank-you:hover {
    transform: scale(1.02);
    box-shadow: 0 12px 48px rgba(255, 255, 255, 0.15);
}

.thank-you-text {
    font-family: 'Playfair Display', serif;
    font-size: 1.6rem;
    font-weight: 600;
    color: #ffffff;
    margin: 25px 0;
    letter-spacing: 0.02em;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    line-height: 1.4;
    clear: both;
}

.attendance-info {
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid #333333;
    clear: both;
}

.success-details {
    text-align: center;
    overflow: hidden;
    position: relative;
}

.back-btn {
    background: transparent;
    color: #ffffff;
    border: 1px solid #333333;
    padding: 16px 32px;
    border-radius: 0;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
    font-weight: 400;
    font-family: 'Inter', sans-serif;
    letter-spacing: 0.01em;
}

.back-btn:hover {
    background: #ffffff;
    color: #000000;
    transform: translateY(-1px);
}

/* Admin Section - Professional Layout */
.admin-controls {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 50px;
}

.admin-btn {
    padding: 18px 24px;
    border: 1px solid #333333;
    border-radius: 0;
    font-size: 1rem;
    font-weight: 400;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: all 0.3s ease;
    text-decoration: none;
    background: transparent;
    color: #ffffff;
    font-family: 'Inter', sans-serif;
    letter-spacing: 0.01em;
}

.admin-btn.primary {
    background: #ffffff;
    color: #000000;
    border-color: #ffffff;
}

.admin-btn.primary:hover {
    background: #f0f0f0;
    transform: translateY(-1px);
}

.admin-btn.secondary {
    background: transparent;
    color: #ffffff;
    border: 1px solid #333333;
}

.admin-btn.secondary:hover {
    background: #ffffff;
    color: #000000;
    transform: translateY(-1px);
}

.btn-icon {
    font-size: 1.1rem;
}

/* Records Section - Clean Table Design */
.records-section {
    margin-top: 50px;
    padding-top: 50px;
    border-top: 1px solid #333333;
}

.records-section h3 {
    font-family: 'Playfair Display', serif;
    color: #ffffff;
    font-size: 2rem;
    margin-bottom: 30px;
    font-weight: 500;
    letter-spacing: -0.01em;
}

.records-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.stat-item {
    text-align: left;
    padding: 0;
    background: transparent;
    border-radius: 0;
    border-bottom: 1px solid #333333;
    padding-bottom: 20px;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 300;
    color: #ffffff;
    margin-bottom: 8px;
    font-family: 'Inter', sans-serif;
}

.stat-label {
    color: #888888;
    font-size: 0.95rem;
    font-weight: 300;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.table-container {
    overflow-x: auto;
    border-radius: 0;
    background: transparent;
    border-top: 1px solid #333333;
}

.records-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.95rem;
    font-family: 'Inter', sans-serif;
}

.records-table th {
    background: transparent;
    color: #ffffff;
    padding: 20px 15px;
    text-align: left;
    font-weight: 500;
    border-bottom: 1px solid #333333;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.records-table td {
    padding: 18px 15px;
    color: #a0a0a0;
    border-bottom: 1px solid #1a1a1a;
    font-weight: 300;
}

.records-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.02);
}

.no-records {
    text-align: center;
    color: #666666;
    font-style: italic;
    padding: 2rem;
}

/* Attendance Percentages Section */
.percentages-section {
    margin-top: 2rem;
    padding: 1.5rem;
    background: transparent;
    border: 1px solid #333333;
    border-radius: 8px;
}

.percentages-section h3 {
    font-family: 'Playfair Display', serif;
    font-size: 1.5rem;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 1.5rem;
    text-align: center;
}

.percentages-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.percentages-table {
    width: 100%;
    border-collapse: collapse;
    background: transparent;
    color: #ffffff;
    font-family: 'Inter', sans-serif;
}

.percentages-table th,
.percentages-table td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid #333333;
}

.percentages-table th {
    font-weight: 600;
    color: #ffffff;
    background: transparent;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.percentages-table td {
    font-size: 0.9rem;
}

.percentages-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.02);
}

/* Attendance percentage color coding */
.high-attendance {
    color: #4CAF50 !important;
    font-weight: 600;
}

.medium-attendance {
    color: #FF9800 !important;
    font-weight: 600;
}

.low-attendance {
    color: #f44336 !important;
    font-weight: 600;
}

/* Responsive design for percentages table */
@media (max-width: 768px) {
    .percentages-stats {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }
    
    .percentages-table {
        font-size: 0.8rem;
    }
    
    .percentages-table th,
    .percentages-table td {
        padding: 0.5rem 0.25rem;
    }
}

/* Master Key Section */
.master-key-form {
    margin-top: 20px;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .attendance-title {
        font-size: 2.8rem;
    }
    
    .attendance-subtitle {
        font-size: 1.1rem;
    }
    
    .card-header h2 {
        font-size: 2rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .admin-controls {
        grid-template-columns: 1fr;
    }
    
    .records-stats {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .records-table {
        font-size: 0.85rem;
    }
    
    .records-table th,
    .records-table td {
        padding: 12px 8px;
    }
    
    .container {
        padding: 0 15px;
    }
}

@media (max-width: 480px) {
    .attendance-hero {
        padding: 80px 0 60px;
    }
    
    .attendance-title {
        font-size: 2.2rem;
    }
    
    .card-header h2 {
        font-size: 1.8rem;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 14px 0;
        font-size: 1rem;
    }
    
    .submit-btn {
        padding: 18px;
        font-size: 1rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
}

/* Smooth transitions */
* {
    transition: color 0.3s ease, background-color 0.3s ease, border-color 0.3s ease;
}

/* Focus states for accessibility */
button:focus,
input:focus,
select:focus,
textarea:focus {
    outline: 2px solid #ffffff;
    outline-offset: 2px;
}

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

::-webkit-scrollbar-track {
    background: #000000;
}

::-webkit-scrollbar-thumb {
    background: #333333;
    border-radius: 0;
}

::-webkit-scrollbar-thumb:hover {
    background: #555555;
}