/**
 * Q-Paper Pro Main Stylesheet
 */

:root {
    --primary-color: #4285F4;
    --secondary-color: #34A853;
    --accent-color: #FBBC05;
    --danger-color: #EA4335;
    --light-color: #F8F9FA;
    --dark-color: #202124;
    --gray-color: #5F6368;
}

/* Dark theme variables */
[data-theme="dark"] {
    --light-color: #121212;
    --dark-color: #f8f9fa;
    --gray-color: #bdc1c6;
    --primary-color: #8ab4f8;
    --secondary-color: #81c995;
    --accent-color: #fdd663;
    --danger-color: #f28b82;
}

/* Font size variables */
[data-font-size="small"] {
    font-size: 14px;
}

[data-font-size="medium"] {
    font-size: 16px;
}

[data-font-size="large"] {
    font-size: 18px;
}

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

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

/* Header & Navigation */
header {
    background-color: var(--primary-color);
    color: white;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: bold;
}

.logo i {
    font-size: 1.8rem;
}

.nav-menu {
    display: flex;
    list-style: none;
}

.nav-menu li {
    margin-left: 1.5rem;
}

.nav-menu a {
    color: white;
    text-decoration: none;
    padding: 0.5rem;
    transition: all 0.3s ease;
    border-radius: 5px;
}

.nav-menu a:hover, .nav-menu a.active {
    background-color: rgba(255,255,255,0.2);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Main Content */
main {
    padding: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.tab-content {
    display: none;
    background-color: white;
    padding: 1.5rem;
    border-radius: 5px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.tab-content.active {
    display: block;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background-color: #fff;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 0 20px rgba(0,0,0,0.1);
}

h1, h2, h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

input, select, textarea {
    width: 100%;
    padding: 10px;
    margin-bottom: 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: inherit;
    transition: border 0.3s ease;
    background-color: white;
    color: var(--dark-color);
}

input:focus, select:focus, textarea:focus {
    border-color: var(--primary-color);
    outline: none;
}

.btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
    margin-right: 10px;
    margin-bottom: 10px;
}

.btn:hover {
    background-color: #3367d6;
    transform: translateY(-2px);
}

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

.btn-secondary:hover {
    background-color: #2d9247;
}

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

.btn-accent:hover {
    background-color: #f0b400;
}

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

.btn-danger:hover {
    background-color: #d33426;
}

.btn-sm {
    padding: 5px 10px;
    font-size: 0.8rem;
}

.btn-group {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 1rem;
}

.section, .question {
    background-color: #f9f9f9;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    border-radius: 5px;
    border: 1px solid #eee;
    transition: all 0.3s ease;
    position: relative;
}

.section:hover, .question:hover {
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.section-header, .question-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.section-title, .question-title {
    font-weight: bold;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
}

.question-actions {
    display: flex;
    gap: 0.5rem;
}

.section-actions {
    display: flex;
    gap: 0.5rem;
}

.action-btn {
    background: none;
    border: none;
    color: var(--gray-color);
    cursor: pointer;
    font-size: 1rem;
    padding: 0.3rem;
    border-radius: 3px;
    transition: all 0.2s ease;
}

.action-btn:hover {
    color: var(--primary-color);
    background-color: rgba(66, 133, 244, 0.1);
}

.delete-btn:hover {
    color: var(--danger-color);
    background-color: rgba(234, 67, 53, 0.1);
}

.move-btn:hover {
    cursor: move;
}

.preview {
    background-color: white;
    padding: 2rem;
    margin-top: 2rem;
    border-radius: 5px;
    border: 1px solid #ddd;
}

.preview-title {
    font-size: 1.5rem;
    text-align: center;
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--primary-color);
}

.preview-meta {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.preview-meta div {
    margin-bottom: 0.5rem;
}

.preview-section h3 {
    margin-top: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid #eee;
}

.preview-question {
    margin: 1rem 0;
    padding-left: 1rem;
    border-left: 3px solid #eee;
}

.mcq-options {
    margin-left: 2rem;
    margin-top: 0.5rem;
}

.loading {
    display: flex;
    justify-content: center;
    align-items: center;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255,255,255,0.8);
    z-index: 1000;
}

.spinner {
    border: 5px solid #f3f3f3;
    border-top: 5px solid var(--primary-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
}

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

.toast {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: var(--dark-color);
    color: white;
    padding: 1rem;
    border-radius: 5px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.2);
    z-index: 1000;
    transition: all 0.3s ease;
    transform: translateX(120%);
}

.toast.show {
    transform: translateX(0);
}

.toast-success {
    background-color: var(--secondary-color);
}

.toast-error {
    background-color: var(--danger-color);
}

/* Responsive Styles */
@media (max-width: 768px) {
    .header-container {
        padding: 0.5rem 1rem;
    }
    
    .nav-menu {
        position: fixed;
        top: 60px;
        left: -100%;
        flex-direction: column;
        background-color: var(--primary-color);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 10px rgba(0,0,0,0.1);
        padding: 1rem 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu li {
        margin: 1rem 0;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .btn-group {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        margin-right: 0;
    }
    
    .preview-meta {
        flex-direction: column;
    }
}

/* Footer Styles */
footer {
    background-color: var(--dark-color);
    color: white;
    padding: 2rem;
    margin-top: 2rem;
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.footer-section h3 {
    color: white;
    margin-bottom: 1rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.footer-section h3::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 50px;
    height: 2px;
    background-color: var(--primary-color);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: #ddd;
    text-decoration: none;
    transition: all 0.3s ease;
}

.footer-links a:hover {
    color: white;
    padding-left: 5px;
}

.contact-info div {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.contact-info i {
    margin-right: 1rem;
    color: var(--primary-color);
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255,255,255,0.1);
    border-radius: 50%;
    color: white;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background-color: var(--primary-color);
    transform: translateY(-3px);
}

.copyright {
    text-align: center;
    padding-top: 2rem;
    margin-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
}

/* Customization Panel */
.customization-panel {
    padding: 1.5rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    margin-bottom: 2rem;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid #eee;
}

.color-picker-group {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.color-picker-item label {
    display: block;
    margin-bottom: 0.5rem;
}

.template-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.template-item {
    border: 1px solid #ddd;
    border-radius: 5px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.template-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.template-item.active {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px var(--primary-color);
}

.template-preview {
    height: 150px;
    background-color: #f5f5f5;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    color: #555;
    padding: 1rem;
}

.template-name {
    padding: 0.5rem;
    text-align: center;
    background-color: #f9f9f9;
    border-top: 1px solid #eee;
}

.template-actions {
    position: absolute;
    bottom: 0;
    right: 0;
    display: flex;
    gap: 0.3rem;
    padding: 0.3rem;
    background-color: rgba(255,255,255,0.9);
    border-top-left-radius: 5px;
}

.template-public {
    margin-left: 0.5rem;
    color: var(--primary-color);
}

/* Templates */
.basic-template {
    font-family: Arial, sans-serif;
}

.formal-template {
    font-family: 'Times New Roman', Times, serif;
}

.modern-template {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* Error Messages */
.error {
    color: var(--danger-color);
    font-size: 0.9rem;
    margin-top: -10px;
    margin-bottom: 10px;
}

.alert {
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: 5px;
}

.alert-danger {
    background-color: rgba(234, 67, 53, 0.1);
    color: var(--danger-color);
    border-left: 4px solid var(--danger-color);
}

.alert ul {
    margin-left: 1.5rem;
}

/* Tooltips */
.tooltip {
    position: relative;
    display: inline-block;
    margin-left: 5px;
}

.tooltip i {
    color: var(--gray-color);
    cursor: pointer;
}

.tooltip-text {
    visibility: hidden;
    width: 200px;
    background-color: var(--dark-color);
    color: white;
    text-align: center;
    border-radius: 5px;
    padding: 0.5rem;
    position: absolute;
    z-index: 1;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%);
    opacity: 0;
    transition: opacity 0.3s;
    font-size: 0.8rem;
}

.tooltip-text::after {
    content: "";
    position: absolute;
    top: 100%;
    left: 50%;
    margin-left: -5px;
    border-width: 5px;
    border-style: solid;
    border-color: var(--dark-color) transparent transparent transparent;
}

.tooltip:hover .tooltip-text {
    visibility: visible;
    opacity: 1;
}

/* Settings Panel */
.settings-panel {
    background-color: white;
    border: 1px solid #ddd;
    border-radius: 5px;
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.settings-row {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.settings-col {
    flex: 1;
    min-width: 200px;
}

.header-preview {
    padding: 1rem;
    background-color: #f5f5f5;
    border-radius: 5px;
    margin-top: 1rem;
    text-align: center;
}

/* Drag Handle */
.drag-handle {
    cursor: move;
    margin-right: 10px;
    color: var(--gray-color);
}

/* History Panel */
.history-panel {
    background-color: white;
    border: 1px solid #ddd;
    border-radius: 5px;
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.history-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem;
    border-bottom: 1px solid #eee;
}

.history-item:last-child {
    border-bottom: none;
}

.history-details {
    flex: 1;
}

.history-title {
    font-weight: 500;
}

.history-meta {
    font-size: 0.8rem;
    color: var(--gray-color);
}

.history-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

/* Switch Toggle */
.switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 24px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: .4s;
    border-radius: 24px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 16px;
    width: 16px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: .4s;
    border-radius: 50%;
}

input:checked + .slider {
    background-color: var(--primary-color);
}

input:focus + .slider {
    box-shadow: 0 0 1px var(--primary-color);
}

input:checked + .slider:before {
    transform: translateX(26px);
}

/* Checkbox and Radio Styles */
.radio-group, .checkbox-group {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.radio-option, .checkbox-option {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.radio-option input, .checkbox-option input {
    width: auto;
    margin: 0;
}

/* Login/Register Styles */
.login-container, .register-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: calc(100vh - 200px);
}

.login-form, .register-form {
    background-color: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 0 20px rgba(0,0,0,0.1);
    width: 100%;
    max-width: 500px;
}

.login-form h1, .register-form h1 {
    text-align: center;
    margin-bottom: 2rem;
}

.login-footer, .register-footer {
    text-align: center;
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid #eee;
}

.login-footer p, .register-footer p {
    margin-bottom: 0.5rem;
}

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

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1001;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.4);
}

.modal-content {
    background-color: white;
    margin: 10% auto;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 0 20px rgba(0,0,0,0.2);
    width: 80%;
    max-width: 600px;
    position: relative;
}

.modal-large .modal-content {
    width: 90%;
    max-width: 900px;
}

.close {
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    color: #aaa;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

.close:hover {
    color: var(--dark-color);
}

/* Paper Statistics */
.paper-stats {
    margin-top: 2rem;
}

.stats-container {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-top: 1rem;
}

.stat-item {
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    padding: 1.5rem;
    flex: 1;
    min-width: 150px;
    text-align: center;
}

.stat-value {
    font-size: 2rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--gray-color);
}

/* No Results */
.no-results {
    text-align: center;
    padding: 2rem;
}

.no-results p {
    margin-bottom: 1.5rem;
    color: var(--gray-color);
}

/* Template Tip */
.template-tip {
    background-color: #f9f9f9;
    border-left: 4px solid var(--accent-color);
    padding: 1.5rem;
    margin-top: 2rem;
    border-radius: 0 5px 5px 0;
}

.template-tip h3 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

/* Current Logo */
.current-logo {
    display: flex;
    align-items: center;
    margin-top: 0.5rem;
}

.current-logo img {
    max-height: 50px;
    margin-right: 1rem;
    border: 1px solid #ddd;
    padding: 0.3rem;
    border-radius: 4px;
}

/* Image Preview */
.image-preview {
    margin-top: 1rem;
    text-align: center;
}

.image-preview img {
    max-width: 200px;
    max-height: 200px;
    border: 1px solid #ddd;
    padding: 0.3rem;
    border-radius: 4px;
}

/* Dark Theme Additional Styles */
[data-theme="dark"] body {
    background-color: #121212;
    color: #f8f9fa;
}

[data-theme="dark"] .container, 
[data-theme="dark"] .tab-content, 
[data-theme="dark"] .preview, 
[data-theme="dark"] .settings-panel, 
[data-theme="dark"] .history-panel,
[data-theme="dark"] .section, 
[data-theme="dark"] .question,
[data-theme="dark"] .modal-content,
[data-theme="dark"] .login-form,
[data-theme="dark"] .register-form,
[data-theme="dark"] .stat-item {
    background-color: #1e1e1e;
    border-color: #333;
}

[data-theme="dark"] input, 
[data-theme="dark"] select, 
[data-theme="dark"] textarea {
    background-color: #2d2d2d;
    border-color: #444;
    color: #f8f9fa;
}

[data-theme="dark"] .header-preview,
[data-theme="dark"] .template-preview {
    background-color: #2d2d2d;
    color: #f8f9fa;
}

[data-theme="dark"] .template-name {
    background-color: #333;
    border-color: #444;
}

[data-theme="dark"] .preview-section h3,
[data-theme="dark"] .login-footer, 
[data-theme="dark"] .register-footer {
    border-color: #444;
}

[data-theme="dark"] .close {
    color: #bbb;
}

[data-theme="dark"] .close:hover {
    color: #f8f9fa;
}

/* Export Options */
.export-options {
    margin-top: 2rem;
}