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

:root {
    --primary-color: #2196F3;
    --success-color: #4CAF50;
    --warning-color: #FFC107;
    --danger-color: #F44336;
    --accent-color: #9C27B0;
    --background-color: #f5f5f5;
    --surface-color: #ffffff;
    --text-primary: #212121;
    --text-secondary: #757575;
    --border-color: #e0e0e0;
    --shadow: 0 2px 8px rgba(0,0,0,0.1);
    --shadow-hover: 0 4px 16px rgba(0,0,0,0.15);
    --border-radius: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--background-color);
    color: var(--text-primary);
    line-height: 1.6;
    padding-bottom: 80px;
    overflow-x: hidden;
}

/* Header */
.app-header {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    padding: 1rem;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.app-header h1 {
    font-size: 1.5rem;
    font-weight: 600;
}

.language-toggle {
    background: rgba(255,255,255,0.2);
    border: none;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.language-toggle:hover {
    background: rgba(255,255,255,0.3);
}

/* Main Content */
.app-main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem;
}

.section {
    display: none;
    animation: fadeIn 0.3s ease-in-out;
}

.section.active {
    display: block;
}

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

.section-header {
    text-align: center;
    margin-bottom: 2rem;
}

.section-header h2 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.section-header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* Cards */
.welcome-card, .profile-card, .result-card {
    background: var(--surface-color);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
    text-align: center;
}

.welcome-card h2 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.8rem;
}

.welcome-card p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1rem;
    margin: 2rem 0;
}

.stat-card {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    padding: 1.5rem;
    border-radius: var(--border-radius);
    text-align: center;
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.stat-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.stat-value {
    display: block;
    font-size: 2rem;
    font-weight: bold;
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.9;
}

/* Quick Actions */
.quick-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.action-btn {
    padding: 1rem 2rem;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
}

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

.action-btn.secondary {
    background: var(--surface-color);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.action-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
}

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

.btn.secondary {
    background: var(--surface-color);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

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

.btn.warning {
    background: var(--warning-color);
    color: var(--text-primary);
}

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

.btn:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: var(--shadow-hover);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Assessment */
.assessment-container {
    max-width: 800px;
    margin: 0 auto;
}

.progress-bar {
    background: var(--border-color);
    height: 8px;
    border-radius: 4px;
    margin-bottom: 2rem;
    position: relative;
    overflow: hidden;
}

.progress-fill {
    background: linear-gradient(90deg, var(--primary-color), var(--success-color));
    height: 100%;
    border-radius: 4px;
    transition: width 0.3s ease;
    width: 0%;
}

.progress-text {
    position: absolute;
    top: -30px;
    right: 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.question-card {
    background: var(--surface-color);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
}

.question-card h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
}

.options-container {
    margin-bottom: 2rem;
}

.option-item {
    background: var(--background-color);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1rem;
    margin-bottom: 1rem;
    cursor: pointer;
    transition: var(--transition);
}

.option-item:hover {
    border-color: var(--primary-color);
    background: rgba(33, 150, 243, 0.05);
}

.option-item.selected {
    border-color: var(--primary-color);
    background: rgba(33, 150, 243, 0.1);
}

.question-actions {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
}

/* Assessment Results */
.assessment-results {
    text-align: center;
}

.result-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.score-display {
    margin: 1.5rem 0;
}

.score-value {
    font-size: 3rem;
    font-weight: bold;
    color: var(--primary-color);
}

.score-total {
    font-size: 1.5rem;
    color: var(--text-secondary);
}

.result-level {
    display: inline-block;
    background: var(--success-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    margin-bottom: 1rem;
}

.result-description {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.8;
}

/* Education Modules */
.modules-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.module-card {
    background: var(--surface-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
}

.module-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-color);
}

.module-card.completed {
    border-color: var(--success-color);
    background: rgba(76, 175, 80, 0.05);
}

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

.module-icon {
    font-size: 2rem;
    color: var(--primary-color);
}

.module-status {
    background: var(--success-color);
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: 12px;
    font-size: 0.8rem;
}

.module-card h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.module-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.module-detail {
    background: var(--surface-color);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow);
}

.module-detail .module-header {
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 1rem;
    margin-bottom: 2rem;
}

.back-btn {
    background: none;
    border: none;
    color: var(--primary-color);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 50%;
    transition: var(--transition);
}

.back-btn:hover {
    background: rgba(33, 150, 243, 0.1);
}

.module-content {
    line-height: 1.8;
    color: var(--text-primary);
}

.module-content h4 {
    color: var(--primary-color);
    margin: 1.5rem 0 1rem 0;
}

.module-content ul {
    margin: 1rem 0 1rem 2rem;
}

.module-content li {
    margin-bottom: 0.5rem;
}

.module-actions {
    margin-top: 2rem;
    text-align: center;
}

/* Simulator */
.scenarios-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.scenario-card {
    background: var(--surface-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
}

.scenario-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-color);
}

.scenario-card.completed {
    border-color: var(--success-color);
    background: rgba(76, 175, 80, 0.05);
}

.scenario-detail {
    background: var(--surface-color);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow);
}

.scenario-description {
    background: var(--background-color);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    margin-bottom: 2rem;
    line-height: 1.8;
}

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

.dashboard-item {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    padding: 1rem;
    border-radius: var(--border-radius);
    text-align: center;
}

.dashboard-label {
    display: block;
    font-size: 0.9rem;
    opacity: 0.9;
    margin-bottom: 0.5rem;
}

.dashboard-value {
    display: block;
    font-size: 1.3rem;
    font-weight: bold;
}

.scenario-choices {
    margin-bottom: 2rem;
}

.choice-item {
    background: var(--background-color);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1rem;
    margin-bottom: 1rem;
    cursor: pointer;
    transition: var(--transition);
}

.choice-item:hover {
    border-color: var(--primary-color);
    background: rgba(33, 150, 243, 0.05);
}

.choice-item.selected {
    border-color: var(--primary-color);
    background: rgba(33, 150, 243, 0.1);
}

.scenario-result {
    background: var(--background-color);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    text-align: center;
}

.result-feedback {
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

/* Goals */
.add-goal-btn {
    margin-bottom: 2rem;
    width: 100%;
}

.goals-list {
    display: grid;
    gap: 1rem;
    margin-bottom: 2rem;
}

.goal-card {
    background: var(--surface-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    border-left: 4px solid var(--primary-color);
}

.goal-card.completed {
    border-left-color: var(--success-color);
    background: rgba(76, 175, 80, 0.05);
}

.goal-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.goal-title {
    color: var(--primary-color);
    font-size: 1.2rem;
    font-weight: 600;
}

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

.goal-actions .btn {
    padding: 0.5rem;
    font-size: 0.9rem;
}

.goal-progress {
    margin-bottom: 1rem;
}

.goal-progress-bar {
    background: var(--border-color);
    height: 8px;
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.goal-progress-fill {
    background: linear-gradient(90deg, var(--primary-color), var(--success-color));
    height: 100%;
    transition: width 0.3s ease;
}

.goal-progress-text {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.goal-amount {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.goal-deadline {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.goal-form {
    background: var(--surface-color);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow);
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 90%;
    max-width: 500px;
    z-index: 1000;
}

.goal-form::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: -1;
}

.form-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--border-color);
}

.form-header h3 {
    color: var(--primary-color);
}

.close-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 50%;
    transition: var(--transition);
}

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

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(33, 150, 243, 0.1);
}

.form-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
}

/* Profile */
.profile-content {
    max-width: 600px;
    margin: 0 auto;
}

.profile-avatar {
    font-size: 4rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.profile-card h3 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.profile-stats {
    background: var(--surface-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
}

.stat-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
}

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

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

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

.profile-settings {
    background: var(--surface-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
}

.profile-settings h4 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.setting-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

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

.setting-item input[type="checkbox"] {
    width: 20px;
    height: 20px;
    accent-color: var(--primary-color);
}

.setting-item select {
    padding: 0.5rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--surface-color);
}

/* FAQ */
.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--surface-color);
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
    box-shadow: var(--shadow);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    background: none;
    border: none;
    padding: 1.5rem;
    text-align: left;
    cursor: pointer;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.faq-question:hover {
    background: var(--background-color);
}

.faq-question[aria-expanded="true"] .faq-icon {
    transform: rotate(45deg);
}

.faq-icon {
    font-size: 1.5rem;
    font-weight: normal;
    transition: transform 0.3s ease;
}

.faq-answer {
    padding: 0 1.5rem 1.5rem 1.5rem;
    color: var(--text-primary);
    line-height: 1.8;
    animation: slideDown 0.3s ease;
}

.faq-answer[hidden] {
    display: none;
}

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

/* Bottom Navigation */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--surface-color);
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-around;
    padding: 0.5rem 0;
    z-index: 1000;
    box-shadow: 0 -2px 8px rgba(0,0,0,0.1);
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    color: var(--text-secondary);
    padding: 0.5rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
    min-width: 60px;
}

.nav-item i {
    font-size: 1.2rem;
    margin-bottom: 0.25rem;
}

.nav-item span {
    font-size: 0.7rem;
    font-weight: 600;
}

.nav-item:hover,
.nav-item.active {
    color: var(--primary-color);
    background: rgba(33, 150, 243, 0.1);
}

/* Footer */
footer {
    text-align: center;
    padding: 2rem 1rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    border-top: 1px solid var(--border-color);
    margin-top: 3rem;
    background: var(--surface-color);
}

/* Responsive Design */
@media (max-width: 768px) {
    .app-main {
        padding: 0.5rem;
    }
    
    .section-header h2 {
        font-size: 1.5rem;
    }
    
    .welcome-card,
    .profile-card,
    .result-card {
        padding: 1.5rem;
    }
    
    .stats-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 0.5rem;
    }
    
    .stat-card {
        padding: 1rem;
    }
    
    .stat-value {
        font-size: 1.5rem;
    }
    
    .quick-actions {
        flex-direction: column;
    }
    
    .action-btn {
        width: 100%;
        justify-content: center;
    }
    
    .question-actions {
        flex-direction: column;
    }
    
    .modules-grid,
    .scenarios-grid {
        grid-template-columns: 1fr;
    }
    
    .financial-dashboard {
        grid-template-columns: 1fr;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .goal-form {
        width: 95%;
    }
    
    .nav-item span {
        font-size: 0.6rem;
    }
}

@media (min-width: 1200px) {
    .stats-grid {
        grid-template-columns: repeat(3, 1fr);
        max-width: 600px;
        margin: 2rem auto;
    }
    
    .modules-grid,
    .scenarios-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.p-1 { padding: 0.5rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }
.p-4 { padding: 2rem; }

.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-grid { display: grid; }

.hidden {
    display: none !important;
}

.visible {
    display: block !important;
}

/* Loading States */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.spinner {
    border: 3px solid var(--border-color);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    width: 30px;
    height: 30px;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

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

/* Animations */
.fade-in {
    animation: fadeIn 0.3s ease-in-out;
}

.slide-up {
    animation: slideUp 0.3s ease-in-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.bounce {
    animation: bounce 0.6s ease-in-out;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

/* Success/Error Messages */
.message {
    padding: 1rem;
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
    font-weight: 600;
}

.message.success {
    background: rgba(76, 175, 80, 0.1);
    color: var(--success-color);
    border: 2px solid var(--success-color);
}

.message.error {
    background: rgba(244, 67, 54, 0.1);
    color: var(--danger-color);
    border: 2px solid var(--danger-color);
}

.message.warning {
    background: rgba(255, 193, 7, 0.1);
    color: #f57c00;
    border: 2px solid var(--warning-color);
}

.message.info {
    background: rgba(33, 150, 243, 0.1);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}