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

body {
    font-family: "Inter", sans-serif !important;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--white);
}

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

/* Color Variables */
:root {
    --primary-color: #7c3aed;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --text-color: #1f2937;
    --light-gray: #f9fafb;
    --medium-gray: #e5e7eb;
    --dark-gray: #6b7280;
    --white: #ffffff;
    --shadow: 0 1px 3px rgba(0,0,0,0.1);
    --border-radius: 8px;
    --transition: all 0.2s ease;
}









.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 48px;
    opacity: 0.8;
    line-height: 1.6;
    color: var(--dark-gray);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}




/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: background-color 0.2s ease;
    text-align: center;
    justify-content: center;
}

.btn-primary {
    background: #7c3aed;
    color: var(--white);
}

.btn-primary:hover {
    background: #6d28d9;
}

.btn-secondary {
    background: transparent;
    color: var(--text-color);
    border: 1px solid var(--medium-gray);
}

.btn-secondary:hover {
    background: var(--light-gray);
}

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
}

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

.btn-whatsapp {
    background: #25D366;
    color: var(--white);
}

.btn-whatsapp:hover {
    background: #1da851;
}

.btn-large {
    padding: 12px 24px;
    font-size: 1.1rem;
}

/* Section Styles */
.section-title-text{
    color: var(--primary-color);
}

.section-title {
    text-align: center;
    font-size: 2.25rem;
    font-weight: 700;
    margin-top: 20px;
    margin-bottom: 20px;
    color: var(--text-color);
    line-height: 1.3;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.section-title i {
    color: var(--primary-color);
    font-size: 2rem;
}

/* Input Section */
.input-section {
    background: var(--white);
    border-bottom: 1px solid var(--medium-gray);
}

/* Shared Selection Form */
.shared-selection-form {
    background: var(--light-gray);
    padding: 16px;
    border-radius: var(--border-radius);
    border: 1px solid var(--medium-gray);
    margin-bottom: 10px;
    text-align: center;
}

.shared-selection-form h3 {
    color: var(--text-color);
    margin-bottom: 12px;
    font-size: 1.375rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.shared-selection-form p {
    color: var(--dark-gray);
    margin-bottom: 24px;
    font-size: 1rem;
    line-height: 1.5;
}

.shared-selection-form .form-row {
    max-width: 600px;
    margin: 0 auto;
}

/* Upload Section */
.upload-section {
    margin-bottom: 10px;
}

/* Upload Options Container */
.upload-options-container {
    display: flex;
    gap: 12px;
    align-items: stretch;
    margin-bottom: 12px;
}

.upload-options-container .upload-area {
    flex: 1;
    margin-bottom: 0;
}

.upload-options-container .manual-entry-option {
    flex: 1;
    margin-top: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: var(--light-gray);
    border: 2px dashed var(--medium-gray);
    border-radius: var(--border-radius);
    padding: 12px;
    transition: var(--transition);
}

.upload-options-container .manual-entry-option:hover {
    border-color: var(--primary-color);
    background: rgba(124, 58, 237, 0.05);
}

.upload-options-container .manual-entry-option .divider {
    margin-bottom: 8px;
}

.upload-options-container .manual-entry-option .btn {
    width: 100%;
    max-width: 200px;
    padding: 8px 12px;
    font-size: 0.9rem;
}

/* Disabled manual entry option */
.manual-entry-option.disabled {
    opacity: 0.6;
    pointer-events: none;
    cursor: not-allowed;
}

.manual-entry-option.disabled .btn {
    background: var(--medium-gray);
    color: var(--dark-gray);
    border-color: var(--medium-gray);
    cursor: not-allowed;
}

.manual-entry-option.disabled .btn:hover {
    background: var(--medium-gray);
    color: var(--dark-gray);
    border-color: var(--medium-gray);
}

.manual-entry-option.disabled .divider span {
    background: var(--light-gray);
    color: var(--dark-gray);
}

/* Disabled upload area */
.upload-area.disabled {
    opacity: 0.6;
    pointer-events: none;
    cursor: not-allowed;
}

.upload-area.disabled .upload-content {
    position: relative;
}

.upload-area.disabled .upload-content::after {
    content: 'Please select class and board first';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    z-index: 10;
}

/* Manual Entry Option */
.manual-entry-option {
    margin-top: 2px;
    text-align: center;
}

.divider {
    position: relative;
    margin: 4px 0;
    text-align: center;
}

.divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--medium-gray);
}

.divider span {
    background: var(--white);
    padding: 0 20px;
    color: var(--dark-gray);
    font-weight: 500;
    font-size: 0.9rem;
    position: relative;
    z-index: 1;
}

/* Manual Entry Section */
.manual-entry-section {
    margin-top: 8px;
    animation: fadeInUp 0.3s ease-out;
}

.form-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    align-items: center;
    margin-top: 32px;
    flex-wrap: wrap;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Upload Area */
.upload-area {
    border: 2px dashed var(--medium-gray);
    border-radius: var(--border-radius);
    padding: 16px 12px;
    text-align: center;
    background: var(--light-gray);
    transition: var(--transition);
    cursor: pointer;
    margin-bottom: 0;
}

.upload-area:hover {
    border-color: var(--primary-color);
    background: rgba(124, 58, 237, 0.05);
}

.upload-area.dragover {
    border-color: var(--primary-color);
    background: rgba(124, 58, 237, 0.1);
}


.upload-icon {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 12px;
}

.upload-content h3 {
    font-size: 1rem;
    margin-bottom: 6px;
    color: var(--text-color);
    font-weight: 600;
}

.upload-content p {
    color: var(--dark-gray);
    margin-bottom: 8px;
    font-size: 0.85rem;
}

.upload-link {
    color: var(--primary-color);
    text-decoration: underline;
    cursor: pointer;
}

.upload-progress {
    text-align: center;
    padding: 40px 20px;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--medium-gray);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 20px;
}

.progress-fill {
    height: 100%;
    background: var(--primary-color);
    width: 0%;
    transition: width 0.3s ease;
}

.progress-text {
    color: var(--dark-gray);
    font-weight: 500;
}

/* Manual Form */
.manual-form {
    max-width: 800px;
    margin: 0 auto;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

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

.form-group label {
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--primary-color);
    font-size: 1.3rem;
}

.form-group select,
.form-group input {
    padding: 14px 16px;
    border: 2px solid var(--medium-gray);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
    background: var(--white);
}

.form-group select:focus,
.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.1);
}

/* Error Message Styling */
.error-message {
    position: relative;
    background: var(--white);
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    padding: 12px 16px;
    margin-top: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    gap: 8px;
    animation: slideDown 0.3s ease-out;
}

.error-message::before {
    content: '';
    position: absolute;
    top: -6px;
    left: 20px;
    width: 0;
    height: 0;
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-bottom: 6px solid #e5e7eb;
}

.error-message::after {
    content: '';
    position: absolute;
    top: -5px;
    left: 21px;
    width: 0;
    height: 0;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-bottom: 5px solid var(--white);
}

.error-message i {
    color: var(--warning-color);
    font-size: 1rem;
    flex-shrink: 0;
}

.error-message span {
    color: var(--text-color);
    font-size: 0.9rem;
    font-weight: 500;
}

/* Error state for form inputs */
.form-group select.error,
.form-group input.error {
    border-color: var(--warning-color);
    box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.1);
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Subjects Container */
.subjects-container {
    margin-bottom: 40px;
}



.subjects-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    padding: 20px 0;
    border-bottom: 2px solid var(--medium-gray);
}

.subjects-header h4 {
    margin: 0;
    color: var(--text-color);
    font-size: 1.25rem;
    font-weight: 600;
}

.subject-count {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.9rem;
}

.subject-item {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr auto;
    gap: 16px;
    align-items: end;
    margin-bottom: 20px;
    padding: 24px;
    background: var(--light-gray);
    border-radius: var(--border-radius);
    transition: var(--transition);
    border: 1px solid var(--medium-gray);
}

.subject-item:hover {
    background: rgba(124, 58, 237, 0.05);
    border-color: var(--primary-color);
}

.subject-name-group {
    position: relative;
}

.subject-name-group input {
    font-weight: 600;
    color: var(--text-color);
}

.btn-small {
    padding: 8px 12px;
    font-size: 0.9rem;
    min-width: auto;
}

.btn-danger {
    background: var(--danger-color);
    color: var(--white);
    border: none;
}

.btn-danger:hover {
    background: #b30000;
    transform: translateY(-1px);
}

/* Responsive adjustments for subject items */
@media (max-width: 768px) {
    .subject-item {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    
    .subjects-header {
        flex-direction: column;
        gap: 15px;
        align-items: stretch;
    }
}

/* Dashboard */
.dashboard {
    padding: 96px 0;
    background: var(--white);
}

/* Extracted Data Summary */
.extracted-data-summary {
    background: var(--white);
    padding: 32px;
    border-radius: var(--border-radius);
    border: 1px solid var(--medium-gray);
    margin-bottom: 40px;
    border-left: 4px solid var(--primary-color);
}

.extracted-data-summary h4 {
    color: var(--text-color);
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.25rem;
    font-weight: 600;
}

.summary-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.detail-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: var(--light-gray);
    border-radius: var(--border-radius);
    border: 1px solid var(--medium-gray);
}

.detail-item .label {
    font-weight: 600;
    color: var(--text-color);
}

.detail-item .value {
    color: var(--primary-color);
    font-weight: 600;
}

.subjects-list {
    margin-top: 15px;
}

.subjects-list strong {
    color: var(--text-color);
    display: block;
    margin-bottom: 10px;
}

.subject-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.subject-tag {
    background: var(--primary-color);
    color: var(--white);
    padding: 6px 12px;
    border-radius: 15px;
    font-size: 0.9rem;
    font-weight: 500;
}

.performance-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
    margin-bottom: 64px;
}

.summary-card {
    background: var(--white);
    padding: 32px;
    border-radius: var(--border-radius);
    border: 1px solid var(--medium-gray);
    display: flex;
    align-items: center;
    gap: 24px;
    transition: var(--transition);
}

.summary-card:hover {
    border-color: var(--primary-color);
}

.summary-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--white);
    flex-shrink: 0;
}

.summary-card:nth-child(1) .summary-icon {
    background: var(--success-color);
}

.summary-card:nth-child(2) .summary-icon {
    background: var(--primary-color);
}

.summary-card:nth-child(3) .summary-icon {
    background: var(--warning-color);
}

.summary-content h3 {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-color);
}

.summary-content p {
    color: var(--dark-gray);
    font-weight: 500;
    font-size: 0.95rem;
}

/* Subjects Breakdown */
.subjects-breakdown {
    margin-bottom: 64px;
}

.subjects-breakdown h3 {
    font-size: 1.875rem;
    margin-bottom: 32px;
    color: var(--text-color);
    font-weight: 600;
}

.subjects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.subject-card {
    background: var(--white);
    padding: 28px;
    border-radius: var(--border-radius);
    border: 1px solid var(--medium-gray);
    transition: var(--transition);
}

.subject-card:hover {
    border-color: var(--primary-color);
}

.subject-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.subject-name {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-color);
}

.subject-grade {
    padding: 6px 14px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.9rem;
}

.grade-excellent {
    background: rgba(126, 211, 33, 0.2);
    color: var(--success-color);
}

.grade-good {
    background: rgba(124, 58, 237, 0.2);
    color: var(--primary-color);
}

.grade-average {
    background: rgba(245, 166, 35, 0.2);
    color: var(--warning-color);
}

.grade-poor {
    background: rgba(208, 2, 27, 0.2);
    color: var(--danger-color);
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--medium-gray);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 10px;
}

.progress-fill {
    height: 100%;
    border-radius: 4px;
    transition: width 0.5s ease;
}

.progress-excellent {
    background: var(--success-color);
}

.progress-good {
    background: var(--primary-color);
}

.progress-average {
    background: var(--warning-color);
}

.progress-poor {
    background: var(--danger-color);
}

.subject-details {
    display: flex;
    justify-content: space-between;
    color: var(--dark-gray);
    font-size: 0.9rem;
}

/* Charts Section */
.charts-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(420px, 1fr));
    gap: 32px;
    margin-bottom: 64px;
}

.chart-container {
    background: var(--white);
    padding: 32px;
    border-radius: var(--border-radius);
    border: 1px solid var(--medium-gray);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.chart-container:hover {
    border-color: var(--primary-color);
}

.chart-container h3 {
    font-size: 1.375rem;
    margin-bottom: 24px;
    color: var(--text-color);
    text-align: center;
    font-weight: 600;
}

.chart-container canvas {
    max-height: 300px;
    border-radius: var(--border-radius);
}

/* Chart specific improvements */
.chart-container:first-child {
    border-top: 4px solid var(--primary-color);
}

.chart-container:last-child {
    border-top: 4px solid var(--success-color);
}

/* Recommendations */
.recommendations-section {
    background: var(--white);
    padding: 48px;
    border-radius: var(--border-radius);
    border: 1px solid var(--medium-gray);
}

.recommendations-section h3 {
    font-size: 1.875rem;
    margin-bottom: 32px;
    color: var(--text-color);
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 600;
}

.recommendation-item {
    background: var(--light-gray);
    padding: 24px;
    border-radius: var(--border-radius);
    margin-bottom: 20px;
    border-left: 4px solid var(--primary-color);
    border: 1px solid var(--medium-gray);
}

.recommendation-item h4 {
    color: var(--text-color);
    margin-bottom: 12px;
    font-size: 1.125rem;
    font-weight: 600;
}

.recommendation-item p {
    color: var(--dark-gray);
    line-height: 1.6;
}

/* Accordion Styles */
.recommendation-accordion {
    background: var(--light-gray);
    border-radius: var(--border-radius);
    margin-bottom: 20px;
    border-left: 4px solid var(--primary-color);
    border: 1px solid var(--medium-gray);
    overflow: hidden;
}

.accordion-header {
    padding: 24px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
    background: var(--light-gray);
}

.accordion-header:hover {
    background: rgba(124, 58, 237, 0.05);
}

.accordion-header h4 {
    color: var(--text-color);
    margin: 0;
    font-size: 1.125rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 12px;
}

.accordion-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--white);
    border: 1px solid var(--medium-gray);
    transition: var(--transition);
}

.accordion-toggle:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
}

.accordion-toggle:hover .accordion-icon {
    color: var(--white);
}

.accordion-icon {
    color: var(--primary-color);
    font-size: 0.9rem;
    transition: var(--transition);
}

.accordion-content {
    /* padding: 0 24px 24px 24px; */
    background: var(--white);
    border-top: 1px solid var(--medium-gray);
    animation: slideDown 0.3s ease-out;
}

.fallback-recommendation {
    margin-top: 16px;
    padding: 16px;
    background: var(--light-gray);
    border-radius: var(--border-radius);
    border: 1px solid var(--medium-gray);
}

.fallback-recommendation p {
    margin: 0;
    color: var(--dark-gray);
    line-height: 1.6;
}

/* Calendar Section */
.calendar-section {
    padding: 96px 0;
    background: var(--white);
    border-top: 1px solid var(--medium-gray);
}

/* Study Planner Section */
.study-planner-section {
    padding: 96px 0;
    background: var(--white);
    border-top: 1px solid var(--medium-gray);
}

.study-planner-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.planner-question {
    margin-bottom: 48px;
}

.planner-question h3 {
    font-size: 1.875rem;
    color: var(--text-color);
    margin-bottom: 16px;
    font-weight: 600;
}

.planner-question p {
    font-size: 1.125rem;
    color: var(--dark-gray);
    line-height: 1.6;
}

.planner-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
    margin-bottom: 48px;
}

.planner-option {
    background: var(--light-gray);
    padding: 32px 24px;
    border-radius: var(--border-radius);
    border: 1px solid var(--medium-gray);
    transition: var(--transition);
    text-decoration: none;
    color: inherit;
    display: block;
}

.planner-option:hover {
    border-color: var(--primary-color);
    background: rgba(124, 58, 237, 0.05);
    transform: translateY(-2px);
    text-decoration: none;
    color: inherit;
}

.planner-button {
    cursor: pointer;
}

.planner-button:hover h4 {
    color: var(--primary-color);
}

.option-icon {
    width: 64px;
    height: 64px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: var(--white);
    font-size: 1.5rem;
}

.planner-option h4 {
    font-size: 1.25rem;
    color: var(--text-color);
    margin-bottom: 12px;
    font-weight: 600;
}

.planner-option p {
    color: var(--dark-gray);
    font-size: 1rem;
    line-height: 1.5;
}


.calendar-placeholder {
    text-align: center;
    padding: 64px 24px;
    color: var(--dark-gray);
}

.calendar-placeholder i {
    font-size: 3.5rem;
    color: var(--primary-color);
    margin-bottom: 24px;
}

.calendar-placeholder h3 {
    font-size: 1.5rem;
    margin-bottom: 16px;
    color: var(--text-color);
    font-weight: 600;
}

.calendar-placeholder p {
    font-size: 1.1rem;
    line-height: 1.6;
}

/* Subject Resources */
.subject-resources {
    margin-top: 24px;
   
    background: var(--light-gray);
    border-radius: var(--border-radius);
    border: 1px solid var(--medium-gray);
}

.subject-resources h5 {
    color: var(--text-color);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    font-size: 1.125rem;
}

/* Improvement Strategies */
.improvement-strategies {
    margin-bottom: 24px;
    padding: 20px;
    background: var(--white);
    border-radius: var(--border-radius);
    border: 1px solid var(--medium-gray);
    border-left: 4px solid var(--primary-color);
}

.improvement-strategies h5 {
    color: var(--primary-color);
    margin-bottom: 16px;
    font-size: 1.125rem;
    font-weight: 600;
}

.strategy-info {
    margin-bottom: 20px;
}

.strategy-badge {
    display: inline-block;
    padding: 6px 12px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 15px;
    font-size: 0.85rem;
    font-weight: 500;
}

.chapters-section, .pyqs-section {
    margin-bottom: 20px;
}

.chapters-section:last-child, .pyqs-section:last-child {
    margin-bottom: 0;
}

/* Section Divider */
.section-divider {
    height: 1px;
    background: var(--medium-gray);
    margin: 20px 0;
    position: relative;
}

.section-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 40px;
    height: 1px;
    background: var(--primary-color);
}

.chapters-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.chapter-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    background: var(--light-gray);
    border-radius: var(--border-radius);
    border: 1px solid var(--medium-gray);
    transition: var(--transition);
}

.chapter-item:hover {
    background: rgba(124, 58, 237, 0.05);
    border-color: var(--primary-color);
}

.chapter-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    font-size: 0.8rem;
    font-weight: 600;
    flex-shrink: 0;
}

.chapter-name {
    color: var(--text-color);
    font-weight: 500;
    font-size: 0.95rem;
}

.pyqs-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.pyq-item {
    padding: 16px;
    background: var(--light-gray);
    border-radius: var(--border-radius);
    border: 1px solid var(--medium-gray);
    transition: var(--transition);
    position: relative;
}

.pyq-item:hover {
    background: rgba(124, 58, 237, 0.05);
    border-color: var(--primary-color);
}

.pyq-item::before {
    content: 'Q';
    position: absolute;
    top: 12px;
    right: 12px;
    width: 20px;
    height: 20px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 600;
}

.pyq-question {
    color: var(--text-color);
    font-size: 0.95rem;
    line-height: 1.5;
    font-weight: 500;
    padding-right: 30px;
}

/* Student AI Help Section */
.student-ai-help {
    padding: 20px;
    background: var(--white);
    border-radius: var(--border-radius);
    border: 1px solid var(--medium-gray);
    border-left: 4px solid var(--success-color);
}

.student-ai-help h5 {
    color: var(--success-color);
    margin-bottom: 16px;
    font-size: 1.125rem;
    font-weight: 600;
}

/* Single Feature Line */
.single-feature-line {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: var(--white);
    border-radius: var(--border-radius);
    border: 1px solid var(--medium-gray);
    transition: var(--transition);
}

.single-feature-line:hover {
    border-color: var(--primary-color);
    background: rgba(124, 58, 237, 0.05);
}

.single-feature-line i {
    color: var(--success-color);
    font-size: 1.1rem;
    flex-shrink: 0;
}

.single-feature-line span {
    color: var(--text-color);
    font-weight: 500;
    font-size: 1rem;
    line-height: 1.4;
}

/* Subject Details */
.subject-details {
    margin: 12px 0;
    padding: 12px;
    background: rgba(124, 58, 237, 0.1);
    border-radius: var(--border-radius);
    border: 1px solid rgba(124, 58, 237, 0.2);
}

.subject-details p {
    margin: 6px 0;
    font-size: 0.9rem;
}



.improvement-strategies h5 {
    color: var(--text-color);
    margin-bottom: 12px;
    font-size: 1rem;
    font-weight: 600;
}

.improvement-strategies ul {
    list-style: none;
    padding: 0;
}

.improvement-strategies li {
    padding: 6px 0;
    padding-left: 20px;
    position: relative;
    color: var(--dark-gray);
    line-height: 1.4;
}

.improvement-strategies li:before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: bold;
}

/* Topic Weightage */
.weightage {
    font-size: 0.7rem;
    color: var(--primary-color);
    font-weight: 600;
    margin-left: 5px;
}

.calendar-controls {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 48px;
}

.calendar-container {
    background: var(--light-gray);
    padding: 32px;
    border-radius: var(--border-radius);
    min-height: 400px;
    border: 1px solid var(--medium-gray);
}

/* Weekly Calendar Styles */
.weekly-calendar h3 {
    text-align: center;
    margin-bottom: 32px;
    color: var(--text-color);
    font-size: 1.875rem;
    font-weight: 600;
}

.weeks-container {
    display: grid;
    gap: 32px;
}

.week-card {
    background: var(--white);
    border-radius: var(--border-radius);
    border: 1px solid var(--medium-gray);
    overflow: hidden;
}

.week-header {
    background: var(--primary-color);
    color: var(--white);
    padding: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.week-header h4 {
    font-size: 1.375rem;
    margin: 0;
    font-weight: 600;
}

.focus-subjects {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.subject-badge {
    background: rgba(255, 255, 255, 0.2);
    padding: 6px 14px;
    border-radius: 15px;
    font-size: 0.9rem;
    font-weight: 500;
}

.days-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 0;
}

.day-card {
    padding: 24px;
    border-right: 1px solid var(--medium-gray);
    border-bottom: 1px solid var(--medium-gray);
}

.day-card:last-child {
    border-right: none;
}

.day-card.revision-day {
    background: rgba(245, 166, 35, 0.1);
    border-left: 4px solid var(--warning-color);
}

.day-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--medium-gray);
}

.day-header h5 {
    margin: 0;
    color: var(--text-color);
    font-size: 1.125rem;
    font-weight: 600;
}

.date {
    color: var(--dark-gray);
    font-size: 0.9rem;
    font-weight: 500;
}

.subject-schedule {
    margin-bottom: 20px;
}

.subject-schedule:last-child {
    margin-bottom: 0;
}

.subject-info h6 {
    margin: 0 0 10px 0;
    color: var(--text-color);
    font-size: 1rem;
    font-weight: 600;
}

.score-progress {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    color: var(--dark-gray);
    margin-bottom: 12px;
}

.topics {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 12px;
}

.topic-tag {
    background: var(--primary-color);
    color: var(--white);
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 500;
}

.duration {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--dark-gray);
    font-size: 0.9rem;
    font-weight: 500;
}

/* Monthly Calendar Styles */
.monthly-calendar h3 {
    text-align: center;
    margin-bottom: 32px;
    color: var(--text-color);
    font-size: 1.875rem;
    font-weight: 600;
}

.monthly-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    margin-bottom: 48px;
}

.month-week {
    background: var(--white);
    padding: 28px;
    border-radius: var(--border-radius);
    border: 1px solid var(--medium-gray);
    transition: var(--transition);
}

.month-week:hover {
    border-color: var(--primary-color);
}

.month-week h4 {
    color: var(--primary-color);
    margin-bottom: 20px;
    font-size: 1.25rem;
    font-weight: 600;
}

.week-summary {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.focus-subjects {
    color: var(--text-color);
    font-size: 1rem;
    line-height: 1.4;
}

.study-hours {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--dark-gray);
    font-size: 0.95rem;
}

.progress-indicator {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.progress-indicator .progress-bar {
    height: 6px;
    background: var(--medium-gray);
    border-radius: 3px;
    overflow: hidden;
}

.progress-indicator .progress-fill {
    height: 100%;
    background: var(--primary-color);
    border-radius: 3px;
    transition: width 0.5s ease;
}

.progress-indicator span {
    font-size: 0.85rem;
    color: var(--dark-gray);
    font-weight: 500;
}

.monthly-tips {
    background: var(--white);
    padding: 28px;
    border-radius: var(--border-radius);
    border: 1px solid var(--medium-gray);
}

.monthly-tips h4 {
    color: var(--text-color);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 600;
}

.monthly-tips ul {
    list-style: none;
    padding: 0;
}

.monthly-tips li {
    padding: 10px 0;
    padding-left: 20px;
    position: relative;
    color: var(--dark-gray);
    line-height: 1.5;
}

.monthly-tips li:before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: bold;
}

/* Loading States */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.loading-content {
    background: var(--white);
    padding: 48px;
    border-radius: var(--border-radius);
    text-align: center;
    border: 1px solid var(--medium-gray);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--medium-gray);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 24px;
}

.loading-spinner {
    text-align: center;
    padding: 48px;
    color: var(--dark-gray);
}

.loading-spinner i {
    font-size: 2rem;
    margin-bottom: 20px;
    color: var(--primary-color);
}

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

/* Message Container */
.message-container {
    position: fixed;
    top: 100px;
    right: 20px;
    z-index: 10000;
}

.message {
    background: var(--white);
    padding: 16px 20px;
    border-radius: var(--border-radius);
    border: 1px solid var(--medium-gray);
    margin-bottom: 12px;
    border-left: 4px solid;
    animation: slideIn 0.3s ease;
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 320px;
    max-width: 500px;
}

.message-close {
    background: none;
    border: none;
    color: var(--dark-gray);
    cursor: pointer;
    padding: 6px;
    margin-left: auto;
    border-radius: 50%;
    transition: var(--transition);
}

.message-close:hover {
    background: var(--medium-gray);
    color: var(--text-color);
}

.message.success {
    border-left-color: var(--success-color);
}

.message.error {
    border-left-color: var(--danger-color);
}

.message.warning {
    border-left-color: var(--warning-color);
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOut {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    /* Upload options responsive */
    .upload-options-container {
        flex-direction: column;
        gap: 8px;
    }
    
    .upload-options-container .manual-entry-option {
        padding: 12px;
    }
    
    .upload-options-container .manual-entry-option .btn {
        max-width: none;
        padding: 10px 12px;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
    }
    
   
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .subject-item {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    
    .performance-summary {
        grid-template-columns: 1fr;
    }
    
    .subjects-grid {
        grid-template-columns: 1fr;
    }
    
    .charts-section {
        grid-template-columns: 1fr;
    }
    
    .calendar-controls {
        flex-direction: column;
        align-items: center;
    }
    
    .support-content {
        grid-template-columns: 1fr;
    }
    
    .form-actions {
        flex-direction: column;
        align-items: stretch;
    }
    
    .form-actions .btn {
        width: 100%;
    }
    
    .planner-options {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .planner-question h3 {
        font-size: 1.5rem;
    }
    
    /* Improvement Strategies Responsive */
    .chapter-item {
        flex-direction: row;
        align-items: flex-start;
        gap: 8px;
    }
    
    .chapter-number {
        align-self: flex-start;
    }
    
    .pyq-question {
        padding-right: 20px;
        font-size: 0.9rem;
    }
    
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    
    
   
    
    .section-title {
        font-size: 1.875rem;
        flex-direction: column;
        gap: 8px;
    }
    
    .section-title i {
        font-size: 1.5rem;
    }
    
    .btn {
        padding: 12px 20px;
        font-size: 0.9rem;
    }
    
    .summary-card {
        padding: 24px;
    }
    
    .chart-container {
        padding: 24px;
    }
    
    .recommendations-section {
        padding: 12px;
    }
}

/* Study Calendar Content Styles */
.study-content {
    margin-top: 12px;
}

.content-section {
    margin-bottom: 12px;
}

.content-section h7 {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.content-section h7 i {
    font-size: 0.7rem;
}

.content-items {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}

.content-tag {
    display: inline-block;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 500;
    line-height: 1.2;
    max-width: 100%;
    word-wrap: break-word;
}

.topic-tag {
    background: rgba(124, 58, 237, 0.1);
    color: var(--primary-color);
    border: 1px solid rgba(124, 58, 237, 0.2);
}

.flashcard-tag {
    background: rgba(34, 197, 94, 0.1);
    color: #059669;
    border: 1px solid rgba(34, 197, 94, 0.2);
}

.worksheet-tag {
    background: rgba(249, 115, 22, 0.1);
    color: #ea580c;
    border: 1px solid rgba(249, 115, 22, 0.2);
}

.practice-tag {
    background: rgba(239, 68, 68, 0.1);
    color: #dc2626;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

/* WhatsApp Footer */
.whatsapp-footer {
    background: #f8fafc;
    border-top: 1px solid #e2e8f0;
    padding: 20px 0;
    margin-top: 10px;
}

.whatsapp-contact-card {
    background: white;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 700px;
    margin: 0 auto;
}

.whatsapp-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

.whatsapp-icon {
    width: 50px;
    height: 50px;
    background: #25d366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.whatsapp-icon i {
    font-size: 1.5rem;
    color: white;
}

.whatsapp-text h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-color);
    margin: 0 0 4px 0;
}

.whatsapp-text p {
    font-size: 0.9rem;
    color: var(--dark-gray);
    margin: 0;
}

.whatsapp-buttons {
    display: flex;
    gap: 10px;
}

.whatsapp-button {
    color: white;
    padding: 12px 16px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.9rem;
}

.whatsapp-button.english {
    background: #25d366;
}

.whatsapp-button.english:hover {
    background: #128c7e;
    color: white;
    text-decoration: none;
}

.whatsapp-button.hindi {
    background: #ff6b35;
}

.whatsapp-button.hindi:hover {
    background: #e55a2b;
    color: white;
    text-decoration: none;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .whatsapp-contact-card {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .whatsapp-info {
        flex-direction: column;
        gap: 10px;
    }
    
    .whatsapp-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .whatsapp-button {
        width: 100%;
        justify-content: center;
    }
}