/* CSS Variables for Mobile Optimization */
:root {
    --transition-duration: 0.3s;
    --border-radius: 8px;
    --box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    --mobile-padding: 15px;
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, 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: 20px;
}

/* Header Styles */
header {
    text-align: center;
    margin-bottom: 30px;
    color: white;
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

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

/* Main Content Layout */
.main-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    align-items: start;
}

/* Input Section Styles */
.input-section {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.input-section h2 {
    color: #333;
    margin-bottom: 25px;
    font-size: 1.5rem;
    border-bottom: 3px solid #667eea;
    padding-bottom: 10px;
}

/* Form Styles */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

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

.form-group label {
    font-weight: 600;
    margin-bottom: 8px;
    color: #555;
}

.form-group input,
.form-group select {
    padding: 12px;
    border: 2px solid #e1e5e9;
    border-radius: 8px;
    font-size: 14px;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

/* Subject Input Styles */
.subject-input {
    margin-top: 20px;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 10px;
    border: 2px solid #e1e5e9;
}

.subject-input h3 {
    color: #333;
    margin-bottom: 20px;
    font-size: 1.2rem;
    text-align: center;
}

.marks-header {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 10px;
    margin-bottom: 15px;
    font-weight: 600;
    color: #555;
    text-align: center;
    padding: 10px;
    background: #e9ecef;
    border-radius: 5px;
}

.subject-row {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 10px;
    margin-bottom: 15px;
    align-items: center;
}

.subject-row label {
    font-weight: 600;
    color: #333;
    text-align: center;
}

.subject-row input {
    padding: 10px;
    border: 2px solid #e1e5e9;
    border-radius: 5px;
    font-size: 14px;
    text-align: center;
    transition: border-color 0.3s ease;
}

/* Button Styles */
.form-actions {
    display: flex;
    gap: 15px;
    margin-top: 30px;
}

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
    background: #6c757d;
    color: white;
}

.btn-secondary:hover {
    background: #5a6268;
    transform: translateY(-2px);
}

.btn-success {
    background: #28a745;
    color: white;
}

.btn-info {
    background: #17a2b8;
    color: white;
}

.btn-warning {
    background: #ffc107;
    color: #212529;
}

/* Result Section Styles */
.result-section {
    background: white;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    overflow: hidden;
}

.result-actions {
    padding: 20px;
    background: #f8f9fa;
    border-bottom: 1px solid #e9ecef;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

/* Result Card Styles - Exact Image Match */
.result-card {
    padding: 20px;
    background: white;
    font-family: 'Times New Roman', serif;
    line-height: 1.6;
    min-height: 100vh;
}

.result-card-content {
    max-width: 800px;
    margin: 0 auto;
    border: 2px solid #333;
    padding: 40px;
    background: white;
    min-height: calc(100vh - 40px);
}

/* Header Section - Exact Image Match */
.result-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 40px;
}

.school-branding {
    display: flex;
    align-items: center;
    gap: 20px;
}

.school-logo {
    width: 70px;
    height: 70px;
    border: 2px solid #333;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    font-weight: bold;
}

.school-info h2 {
    font-size: 2rem;
    font-style: italic;
    margin-bottom: 8px;
    color: #333;
}

.school-info p {
    font-size: 1rem;
    color: #666;
    margin-bottom: 3px;
}

.school-name-large {
    font-size: 3rem;
    font-family: 'Brush Script MT', cursive;
    color: #333;
    text-align: right;
}

/* Result Details - Exact Image Match */
.result-details {
    margin-bottom: 40px;
}

.result-details h3 {
    font-size: 1.6rem;
    margin-bottom: 20px;
    color: #333;
}

.details-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 25px;
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 15px;
}

.detail-item label {
    font-weight: bold;
    min-width: 120px;
    font-size: 1.1rem;
}

.detail-item span {
    border-bottom: 1px solid #333;
    flex: 1;
    padding: 8px 0;
    font-size: 1.1rem;
}

/* Academic Performance Table - Exact Image Match */
.academic-performance {
    margin-bottom: 40px;
}

.academic-performance h3 {
    text-align: center;
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: #333;
}

.performance-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 25px;
    font-size: 1.1rem;
}

.performance-table th {
    background: #f0f0f0;
    padding: 15px 10px;
    text-align: center;
    border: 1px solid #333;
    font-weight: bold;
    font-size: 1.1rem;
}

.performance-table td {
    padding: 12px 10px;
    border: 1px solid #333;
    text-align: center;
    font-size: 1.1rem;
}

.performance-table td:first-child {
    text-align: left;
    font-weight: bold;
}

/* Overall Summary Table - Exact Image Match */
.overall-summary {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 40px;
    font-size: 1.1rem;
}

.overall-summary th {
    background: #f0f0f0;
    padding: 12px 10px;
    text-align: center;
    border: 1px solid #333;
    font-weight: bold;
    font-size: 1.1rem;
}

.overall-summary td {
    padding: 10px;
    border: 1px solid #333;
    text-align: center;
    font-size: 1.1rem;
}

/* General Progress Section - Exact Image Match */
.general-progress {
    margin-bottom: 40px;
}

.general-progress h3 {
    text-align: center;
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: #333;
}

.progress-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.progress-table th {
    background: #f0f0f0;
    padding: 12px 10px;
    text-align: center;
    border: 1px solid #333;
    font-weight: bold;
    font-size: 1.1rem;
}

.progress-table td {
    padding: 10px;
    border: 1px solid #333;
    text-align: center;
    font-size: 1.1rem;
}

.grading-key {
    font-size: 1rem;
    color: #666;
}

.grading-key span {
    margin-right: 20px;
}

/* Comments Sections - Exact Image Match */
.comments-section {
    margin-bottom: 40px;
}

.comments-section h3 {
    text-align: center;
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: #333;
}

.comment-box {
    border: 1px solid #333;
    min-height: 100px;
    padding: 15px;
    background: #fafafa;
}

/* Comments and Signatures - Exact Image Match */
.comments-signatures {
    margin-top: 40px;
}

.comment-line {
    margin-bottom: 25px;
}

.comment-line label {
    font-weight: bold;
    display: block;
    margin-bottom: 8px;
    font-size: 1.1rem;
}

.comment-line span {
    border-bottom: 1px solid #333;
    display: block;
    min-height: 25px;
}

.signatures {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr;
    gap: 25px;
    margin-top: 40px;
}

.signature-item {
    text-align: center;
}

.signature-line {
    border-bottom: 1px solid #333;
    height: 35px;
    margin-bottom: 8px;
}

.signature-label {
    font-size: 0.9rem;
    color: #666;
}

/* Enhanced Mobile Responsive Design */

/* Large Tablets and Small Laptops */
@media (max-width: 1024px) {
    .main-content {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .result-card {
        min-height: 100vh;
        padding: 20px;
    }
    
    .result-card-content {
        min-height: calc(100vh - 40px);
        padding: 20px;
    }
    
    .container {
        padding: 15px;
    }
}

/* Tablets and Medium Screens */
@media (max-width: 768px) {
    .container {
        padding: 10px;
    }
    
    header h1 {
        font-size: 2rem;
        margin-bottom: 8px;
    }
    
    header p {
        font-size: 1rem;
    }
    
    .input-section {
        padding: 20px;
        margin-bottom: 20px;
    }
    
    .input-section h2 {
        font-size: 1.3rem;
        margin-bottom: 20px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 15px;
        margin-bottom: 15px;
    }
    
    .form-group input,
    .form-group select {
        padding: 15px;
        font-size: 16px; /* Prevents zoom on iOS */
    }
    
    .subject-input {
        padding: 15px;
    }
    
    .marks-header {
        grid-template-columns: 1fr;
        gap: 5px;
        text-align: left;
        padding: 8px;
    }

    .subject-row {
        grid-template-columns: 1fr;
        gap: 8px;
        text-align: left;
    }

    .subject-row label {
        text-align: left;
        margin-bottom: 5px;
    }

    .subject-row input {
        padding: 12px;
        font-size: 16px;
    }
    
    .form-actions {
        flex-direction: column;
        gap: 10px;
    }
    
    .btn {
        padding: 15px 20px;
        font-size: 16px;
        justify-content: center;
    }
    
    .result-actions {
        flex-direction: column;
        gap: 10px;
        padding: 15px;
    }
    
    /* Maintain exact image layout on mobile */
    .result-card {
        min-height: 100vh;
        padding: 15px;
    }
    
    .result-card-content {
        min-height: calc(100vh - 30px);
        padding: 20px;
    }
    
    .result-header {
        flex-direction: column;
        gap: 15px;
        align-items: center;
        margin-bottom: 20px;
    }
    
    .school-branding {
        flex-direction: column;
        text-align: center;
        gap: 8px;
    }
    
    .school-logo {
        width: 45px;
        height: 45px;
        font-size: 20px;
        margin: 0 auto;
    }
    
    .school-info h2 {
        font-size: 1.4rem;
        text-align: center;
    }
    
    .school-info p {
        text-align: center;
        font-size: 0.7rem;
    }
    
    .school-name-large {
        text-align: center;
        font-size: 1.8rem;
    }
    
    .details-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .detail-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }
    
    .detail-item label {
        min-width: auto;
        font-weight: bold;
        font-size: 0.8rem;
    }
    
    .detail-item span {
        width: 100%;
        min-height: 20px;
        font-size: 0.8rem;
    }
    
    .signatures {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }
    
    .performance-table,
    .overall-summary,
    .progress-table {
        font-size: 0.75rem;
    }
    
    .performance-table th,
    .performance-table td,
    .overall-summary th,
    .overall-summary td,
    .progress-table th,
    .progress-table td {
        padding: 6px 4px;
        font-size: 0.7rem;
    }
    
    .academic-performance h3,
    .general-progress h3,
    .comments-section h3 {
        font-size: 1rem;
        margin-bottom: 8px;
    }
    
    .grading-key {
        font-size: 0.7rem;
        text-align: center;
    }
    
    .grading-key span {
        display: block;
        margin-bottom: 3px;
    }
    
    .comment-box {
        min-height: 40px;
        padding: 6px;
    }
    
    .comment-line {
        margin-bottom: 8px;
    }
    
    .comment-line label {
        font-size: 0.7rem;
        margin-bottom: 2px;
    }
    
    .comment-line span {
        min-height: 15px;
    }
    
    .signature-line {
        height: 18px;
        margin-bottom: 3px;
    }
    
    .signature-label {
        font-size: 0.6rem;
    }
}

/* Mobile Phones - Small Screens */
@media (max-width: 480px) {
    .container {
        padding: 5px;
    }
    
    header h1 {
        font-size: 1.8rem;
    }
    
    header p {
        font-size: 0.9rem;
    }
    
    .input-section {
        padding: 15px;
    }
    
    .input-section h2 {
        font-size: 1.2rem;
    }
    
    .form-group input,
    .form-group select {
        padding: 12px;
        font-size: 16px;
    }
    
    .subject-input {
        padding: 10px;
    }
    
    .subject-input h3 {
        font-size: 1.1rem;
    }
    
    .marks-header {
        font-size: 0.9rem;
        padding: 6px;
    }

    .subject-row input {
        padding: 10px;
        font-size: 16px;
    }
    
    .btn {
        padding: 12px 16px;
        font-size: 14px;
    }
    
    /* Single page result card for small mobile */
    .result-card {
        min-height: 100vh;
        padding: 8px;
    }
    
    .result-card-content {
        min-height: calc(100vh - 16px);
        padding: 8px;
    }
    
    .school-info h2 {
        font-size: 1.1rem;
    }
    
    .school-name-large {
        font-size: 1.4rem;
    }
    
    .result-details h3 {
        font-size: 1rem;
        margin-bottom: 8px;
    }
    
    .details-grid {
        gap: 8px;
    }
    
    .detail-item {
        gap: 2px;
    }
    
    .detail-item span {
        min-height: 15px;
        padding: 2px 0;
        font-size: 0.65rem;
    }
    
    .detail-item label {
        font-size: 0.65rem;
    }
    
    .signatures {
        grid-template-columns: 1fr;
        gap: 8px;
    }
    
    .signature-line {
        height: 10px;
    }
    
    .signature-label {
        font-size: 0.45rem;
    }
    
    .performance-table,
    .overall-summary,
    .progress-table {
        font-size: 0.55rem;
    }
    
    .performance-table th,
    .performance-table td,
    .overall-summary th,
    .overall-summary td,
    .progress-table th,
    .progress-table td {
        padding: 1px;
        font-size: 0.5rem;
    }
    
    .academic-performance h3,
    .general-progress h3,
    .comments-section h3 {
        font-size: 0.8rem;
        margin-bottom: 4px;
    }
    
    .comment-box {
        min-height: 20px;
        padding: 2px;
    }
    
    .comment-line {
        margin-bottom: 4px;
    }
    
    .comment-line label {
        font-size: 0.55rem;
        margin-bottom: 1px;
    }
    
    .comment-line span {
        min-height: 8px;
    }
    
    .grading-key {
        font-size: 0.5rem;
    }
    
    .grading-key span {
        margin-right: 4px;
        margin-bottom: 1px;
    }
}

/* Extra Small Mobile Devices */
@media (max-width: 360px) {
    .container {
        padding: 3px;
    }

    header h1 {
        font-size: 1.6rem;
    }

    header p {
        font-size: 0.8rem;
    }

    .input-section {
        padding: 10px;
    }

    .input-section h2 {
        font-size: 1.1rem;
    }

    .form-group input,
    .form-group select {
        padding: 10px;
        font-size: 16px;
    }

    .subject-input {
        padding: 8px;
    }

    .subject-input h3 {
        font-size: 1rem;
    }

    .marks-header {
        font-size: 0.8rem;
        padding: 5px;
    }

    .btn {
        padding: 10px 12px;
        font-size: 13px;
    }
    
    .result-card {
        min-height: 100vh;
        padding: 8px;
    }
    
    .result-card-content {
        min-height: calc(100vh - 16px);
        padding: 10px;
    }
    
    .school-info h2 {
        font-size: 1.2rem;
    }
    
    .school-name-large {
        font-size: 1.6rem;
    }
    
    .performance-table,
    .overall-summary,
    .progress-table {
        font-size: 0.65rem;
    }
    
    .performance-table th,
    .performance-table td,
    .overall-summary th,
    .overall-summary td,
    .progress-table th,
    .progress-table td {
        padding: 4px 2px;
    }
    
    .academic-performance h3,
    .general-progress h3,
    .comments-section h3 {
        font-size: 1rem;
    }
    
    .grading-key {
        font-size: 0.75rem;
    }
    
    .grading-key span {
        margin-bottom: 3px;
    }
}

/* Landscape Mobile Orientation */
@media (max-width: 768px) and (orientation: landscape) {
    .main-content {
        grid-template-columns: 1fr 1fr;
        gap: 15px;
    }
    
    .input-section {
        padding: 15px;
    }
    
    .result-card {
        min-height: 100vh;
        padding: 15px;
    }
    
    .result-card-content {
        min-height: calc(100vh - 30px);
        padding: 15px;
    }
    
    .form-row {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }
    
    .subject-row {
        grid-template-columns: 2fr 1fr;
        gap: 8px;
    }
    
    .form-actions {
        flex-direction: row;
        gap: 10px;
    }
    
    .result-actions {
        flex-direction: row;
        gap: 8px;
    }
    
    .btn {
        padding: 10px 15px;
        font-size: 14px;
    }
}

/* Mobile Loader */
.mobile-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    color: white;
}

.loader-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top: 4px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 20px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.mobile-loader p {
    font-size: 16px;
    font-weight: 600;
}

/* Touch Device Optimizations */
@media (hover: none) and (pointer: coarse) {
    .btn {
        min-height: 44px; /* Minimum touch target size */
    }
    
    .form-group input,
    .form-group select,
    .subject-row input {
        min-height: 44px;
    }
    
    .form-group label {
        margin-bottom: 10px;
    }
    
    .subject-row label {
        margin-bottom: 8px;
    }
    
    /* Improve touch targets */
    .form-group input:focus,
    .form-group select:focus,
    .subject-row input:focus {
        outline: 2px solid #667eea;
        outline-offset: 2px;
    }
    
    /* Add haptic feedback simulation */
    .btn:active {
        transform: scale(0.98);
        transition: transform 0.1s ease;
    }
}

/* Mobile Performance Optimizations */
@media (max-width: 768px) {
    /* Reduce animations for better performance */
    * {
        transition-duration: var(--transition-duration);
    }
    
    /* Optimize scrolling */
    .main-content {
        -webkit-overflow-scrolling: touch;
    }
    
    /* Improve text rendering */
    body {
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        text-rendering: optimizeLegibility;
    }
    
    /* Optimize images and icons */
    .school-logo {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* Print Styles - Exact Image Match */
@media print {
    body {
        background: white;
    }
    
    .container {
        max-width: none;
        padding: 0;
    }
    
    .input-section,
    .result-actions {
        display: none;
    }
    
    .result-section {
        box-shadow: none;
        border-radius: 0;
    }
    
    .result-card {
        padding: 0;
        min-height: 100vh;
        page-break-after: avoid;
        page-break-inside: avoid;
    }
    
    .result-card-content {
        border: none;
        padding: 40px;
        min-height: 100vh;
        font-size: 1.1rem;
        line-height: 1.6;
    }
    
    /* Maintain exact image layout for print */
    .result-header {
        margin-bottom: 30px;
    }
    
    .result-details {
        margin-bottom: 30px;
    }
    
    .academic-performance {
        margin-bottom: 30px;
    }
    
    .general-progress {
        margin-bottom: 30px;
    }
    
    .comments-section {
        margin-bottom: 30px;
    }
    
    .comments-signatures {
        margin-top: 30px;
    }
    
    /* Exact image font sizes for print */
    .school-info h2 {
        font-size: 1.8rem;
    }
    
    .school-name-large {
        font-size: 2.5rem;
    }
    
    .result-details h3 {
        font-size: 1.4rem;
    }
    
    .academic-performance h3,
    .general-progress h3,
    .comments-section h3 {
        font-size: 1.3rem;
    }
    
    .performance-table,
    .overall-summary,
    .progress-table {
        font-size: 1rem;
    }
    
    .performance-table th,
    .performance-table td,
    .overall-summary th,
    .overall-summary td,
    .progress-table th,
    .progress-table td {
        padding: 10px 8px;
        font-size: 1rem;
    }
    
    .grading-key {
        font-size: 0.9rem;
    }
    
    .comment-box {
        min-height: 80px;
        padding: 10px;
    }
    
    .comment-line label {
        font-size: 1rem;
    }
    
    .signature-line {
        height: 30px;
    }
    
    .signature-label {
        font-size: 0.8rem;
    }
}