/* ============================================
   GENESIS INTERACTIVE LEARNING SYSTEM
   Future of Business Education
   ============================================ */

/* ============================================
   QUIZ STYLES
   ============================================ */

.quiz-container {
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
    border: 2px solid #3b82f6;
    border-radius: 20px;
    padding: 32px;
    margin: 40px 0;
    position: relative;
    overflow: hidden;
}

.quiz-container::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 150px;
    height: 150px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.quiz-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.quiz-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.quiz-title {
    font-family: 'DM Sans', sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
    color: #1e40af;
    margin: 0;
}

.quiz-subtitle {
    font-size: 0.9rem;
    color: #3b82f6;
    margin: 0;
}

.quiz-question {
    font-size: 1.15rem;
    font-weight: 600;
    color: #1e3a5f;
    margin-bottom: 20px;
    line-height: 1.5;
}

.quiz-options {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 20px;
}

.quiz-option {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px 20px;
    background: white;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
}

.quiz-option:hover {
    border-color: #3b82f6;
    background: #f8fafc;
    transform: translateX(4px);
}

.quiz-option.selected {
    border-color: #3b82f6;
    background: #eff6ff;
}

.quiz-option.correct {
    border-color: #22c55e;
    background: #f0fdf4;
}

.quiz-option.incorrect {
    border-color: #ef4444;
    background: #fef2f2;
}

.quiz-option-marker {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 2px solid #cbd5e1;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.9rem;
    color: #64748b;
    flex-shrink: 0;
    transition: all 0.2s ease;
}

.quiz-option.selected .quiz-option-marker {
    border-color: #3b82f6;
    background: #3b82f6;
    color: white;
}

.quiz-option.correct .quiz-option-marker {
    border-color: #22c55e;
    background: #22c55e;
    color: white;
}

.quiz-option.incorrect .quiz-option-marker {
    border-color: #ef4444;
    background: #ef4444;
    color: white;
}

.quiz-option-text {
    flex: 1;
    font-size: 1rem;
    color: #334155;
}

.quiz-feedback {
    display: none;
    padding: 16px 20px;
    border-radius: 12px;
    margin-top: 16px;
    font-size: 0.95rem;
    line-height: 1.6;
}

.quiz-feedback.show {
    display: block;
    animation: slideIn 0.3s ease;
}

.quiz-feedback.correct {
    background: #f0fdf4;
    border: 1px solid #86efac;
    color: #166534;
}

.quiz-feedback.incorrect {
    background: #fef2f2;
    border: 1px solid #fca5a5;
    color: #991b1b;
}

.quiz-check-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.quiz-check-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(59, 130, 246, 0.3);
}

.quiz-check-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.quiz-progress {
    display: flex;
    gap: 6px;
    margin-bottom: 20px;
}

.quiz-progress-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #cbd5e1;
}

.quiz-progress-dot.active {
    background: #3b82f6;
}

.quiz-progress-dot.completed {
    background: #22c55e;
}

.quiz-progress-dot.wrong {
    background: #ef4444;
}

/* ============================================
   INTERACTIVE ACTIVITY STYLES
   ============================================ */

.interactive-activity {
    background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
    border: 2px solid #22c55e;
    border-radius: 20px;
    padding: 32px;
    margin: 40px 0;
    position: relative;
}

.activity-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.activity-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.activity-title {
    font-family: 'DM Sans', sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
    color: #166534;
    margin: 0;
}

.activity-type {
    font-size: 0.85rem;
    color: #22c55e;
    background: white;
    padding: 4px 10px;
    border-radius: 6px;
    margin-left: auto;
    font-weight: 600;
}

.activity-prompt {
    font-size: 1.1rem;
    color: #15803d;
    margin-bottom: 20px;
    line-height: 1.6;
}

.activity-input {
    width: 100%;
    min-height: 150px;
    padding: 20px;
    border: 2px solid #86efac;
    border-radius: 14px;
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    line-height: 1.6;
    resize: vertical;
    background: white;
    transition: all 0.2s ease;
}

.activity-input:focus {
    outline: none;
    border-color: #22c55e;
    box-shadow: 0 0 0 4px rgba(34, 197, 94, 0.15);
}

.activity-input::placeholder {
    color: #86efac;
}

.activity-actions {
    display: flex;
    gap: 12px;
    margin-top: 20px;
    flex-wrap: wrap;
}

.activity-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 10px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.activity-btn-primary {
    background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
    color: white;
    border: none;
}

.activity-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(34, 197, 94, 0.3);
}

.activity-btn-secondary {
    background: white;
    color: #166534;
    border: 2px solid #86efac;
}

.activity-btn-secondary:hover {
    background: #f0fdf4;
    border-color: #22c55e;
}

/* Model Response Reveal */
.model-response {
    display: none;
    margin-top: 24px;
    padding: 24px;
    background: white;
    border-radius: 14px;
    border-left: 4px solid #f59e0b;
}

.model-response.show {
    display: block;
    animation: slideIn 0.3s ease;
}

.model-response-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}

.model-response-icon {
    font-size: 1.5rem;
}

.model-response-title {
    font-family: 'DM Sans', sans-serif;
    font-size: 1.1rem;
    font-weight: 700;
    color: #92400e;
    margin: 0;
}

.model-response-content {
    font-size: 1rem;
    color: #78350f;
    line-height: 1.7;
}

.model-response-content p {
    margin: 0 0 12px;
    color: #78350f;
}

.model-response-content ul {
    margin: 12px 0;
    padding-left: 20px;
}

.model-response-content li {
    color: #78350f;
    margin-bottom: 8px;
}

/* ============================================
   SCENARIO/CASE STUDY STYLES
   ============================================ */

.scenario-container {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border: 2px solid #f59e0b;
    border-radius: 20px;
    padding: 32px;
    margin: 40px 0;
}

.scenario-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.scenario-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.scenario-title {
    font-family: 'DM Sans', sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
    color: #92400e;
    margin: 0;
}

.scenario-story {
    background: white;
    border-radius: 14px;
    padding: 24px;
    margin-bottom: 24px;
    font-size: 1.05rem;
    line-height: 1.7;
    color: #78350f;
}

.scenario-question {
    font-size: 1.1rem;
    font-weight: 600;
    color: #92400e;
    margin-bottom: 16px;
}

.scenario-choices {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.scenario-choice {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 18px 20px;
    background: white;
    border: 2px solid #fcd34d;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.scenario-choice:hover {
    border-color: #f59e0b;
    transform: translateX(4px);
}

.scenario-choice.selected {
    border-color: #f59e0b;
    background: #fffbeb;
}

.scenario-choice-marker {
    width: 28px;
    height: 28px;
    border-radius: 8px;
    border: 2px solid #fcd34d;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.85rem;
    color: #92400e;
    flex-shrink: 0;
}

.scenario-choice.selected .scenario-choice-marker {
    background: #f59e0b;
    border-color: #f59e0b;
    color: white;
}

.scenario-choice-text {
    flex: 1;
    font-size: 1rem;
    color: #78350f;
}

.scenario-outcome {
    display: none;
    margin-top: 20px;
    padding: 20px;
    border-radius: 12px;
    animation: slideIn 0.3s ease;
}

.scenario-outcome.show {
    display: block;
}

.scenario-outcome.best {
    background: #f0fdf4;
    border: 1px solid #86efac;
}

.scenario-outcome.good {
    background: #eff6ff;
    border: 1px solid #93c5fd;
}

.scenario-outcome.learning {
    background: #fef3c7;
    border: 1px solid #fcd34d;
}

.scenario-outcome-title {
    font-weight: 700;
    margin-bottom: 8px;
}

.scenario-outcome.best .scenario-outcome-title {
    color: #166534;
}

.scenario-outcome.good .scenario-outcome-title {
    color: #1e40af;
}

.scenario-outcome.learning .scenario-outcome-title {
    color: #92400e;
}

/* ============================================
   FILL IN THE BLANK STYLES
   ============================================ */

.fill-blank-container {
    background: linear-gradient(135deg, #faf5ff 0%, #f3e8ff 100%);
    border: 2px solid #a855f7;
    border-radius: 20px;
    padding: 32px;
    margin: 40px 0;
}

.fill-blank-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.fill-blank-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, #a855f7 0%, #7c3aed 100%);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.fill-blank-title {
    font-family: 'DM Sans', sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
    color: #6b21a8;
    margin: 0;
}

.fill-blank-sentence {
    font-size: 1.15rem;
    line-height: 2;
    color: #581c87;
    margin-bottom: 20px;
}

.blank-input {
    display: inline-block;
    min-width: 150px;
    padding: 6px 14px;
    border: 2px dashed #c084fc;
    border-radius: 8px;
    background: white;
    font-size: 1rem;
    text-align: center;
    color: #7c3aed;
    font-weight: 600;
    margin: 0 4px;
    transition: all 0.2s ease;
}

.blank-input:focus {
    outline: none;
    border-style: solid;
    border-color: #a855f7;
    box-shadow: 0 0 0 3px rgba(168, 85, 247, 0.15);
}

.blank-input.correct {
    border-color: #22c55e;
    background: #f0fdf4;
    color: #166534;
    border-style: solid;
}

.blank-input.incorrect {
    border-color: #ef4444;
    background: #fef2f2;
    color: #991b1b;
    border-style: solid;
}

/* ============================================
   MATCHING EXERCISE STYLES
   ============================================ */

.matching-container {
    background: linear-gradient(135deg, #ecfeff 0%, #cffafe 100%);
    border: 2px solid #06b6d4;
    border-radius: 20px;
    padding: 32px;
    margin: 40px 0;
}

.matching-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
}

.matching-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, #06b6d4 0%, #0891b2 100%);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.matching-title {
    font-family: 'DM Sans', sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
    color: #155e75;
    margin: 0;
}

.matching-grid {
    display: grid;
    grid-template-columns: 1fr 60px 1fr;
    gap: 16px;
    align-items: start;
}

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

.matching-item {
    padding: 14px 18px;
    background: white;
    border: 2px solid #67e8f9;
    border-radius: 10px;
    font-size: 0.95rem;
    color: #155e75;
    cursor: pointer;
    transition: all 0.2s ease;
}

.matching-item:hover {
    border-color: #06b6d4;
    transform: scale(1.02);
}

.matching-item.selected {
    border-color: #06b6d4;
    background: #cffafe;
}

.matching-item.matched {
    border-color: #22c55e;
    background: #f0fdf4;
    color: #166534;
}

.matching-connector {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding-top: 8px;
}

.matching-line {
    width: 2px;
    height: 40px;
    background: #67e8f9;
}

/* ============================================
   PROGRESS & POINTS SYSTEM
   ============================================ */

.lesson-progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 4px;
    background: linear-gradient(90deg, #3b82f6 0%, #8b5cf6 50%, #22c55e 100%);
    z-index: 1001;
    transition: width 0.3s ease;
}

.points-display {
    position: fixed;
    top: 80px;
    right: 24px;
    background: white;
    border-radius: 16px;
    padding: 12px 20px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
    display: flex;
    align-items: center;
    gap: 10px;
    z-index: 1000;
    border: 1px solid #e2e8f0;
}

.points-icon {
    font-size: 1.5rem;
}

.points-value {
    font-family: 'DM Sans', sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
    color: #f59e0b;
}

.points-label {
    font-size: 0.8rem;
    color: #64748b;
}

.points-earned {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border: 2px solid #f59e0b;
    border-radius: 20px;
    padding: 24px 40px;
    font-family: 'DM Sans', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: #92400e;
    z-index: 1002;
    animation: pointsPopup 1.5s ease forwards;
    pointer-events: none;
}

@keyframes pointsPopup {
    0% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.5);
    }
    20% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1.1);
    }
    40% {
        transform: translate(-50%, -50%) scale(1);
    }
    80% {
        opacity: 1;
        transform: translate(-50%, -60%);
    }
    100% {
        opacity: 0;
        transform: translate(-50%, -80%);
    }
}

/* ============================================
   COMPLETION CELEBRATION
   ============================================ */

.lesson-complete-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
}

.lesson-complete-modal.show {
    display: flex;
    animation: fadeIn 0.3s ease;
}

.lesson-complete-content {
    background: white;
    border-radius: 24px;
    padding: 48px;
    text-align: center;
    max-width: 500px;
    width: 90%;
    animation: slideUp 0.4s ease;
}

.lesson-complete-icon {
    font-size: 4rem;
    margin-bottom: 24px;
}

.lesson-complete-title {
    font-family: 'DM Sans', sans-serif;
    font-size: 2rem;
    font-weight: 800;
    color: #166534;
    margin-bottom: 12px;
}

.lesson-complete-subtitle {
    font-size: 1.1rem;
    color: #64748b;
    margin-bottom: 32px;
}

.lesson-complete-stats {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 32px;
}

.complete-stat {
    text-align: center;
}

.complete-stat-value {
    font-family: 'DM Sans', sans-serif;
    font-size: 2rem;
    font-weight: 800;
    color: #f59e0b;
    display: block;
}

.complete-stat-label {
    font-size: 0.85rem;
    color: #64748b;
}

.lesson-complete-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
}

/* ============================================
   ANIMATIONS
   ============================================ */

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

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

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

.shake {
    animation: shake 0.3s ease;
}

/* ============================================
   VIDEO EMBED STYLES - LIGHT THEME
   ============================================ */

.video-container {
    background: transparent;
    border-radius: 20px;
    padding: 24px;
    margin: 40px 0;
}

.video-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.video-icon {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.video-label {
    font-family: 'DM Sans', sans-serif;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary, #0f172a);
    margin: 0;
}

.video-source {
    font-size: 0.85rem;
    color: var(--text-secondary, #64748b);
    margin: 0;
}

.video-wrapper {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    height: 0;
    overflow: hidden;
    border-radius: 12px;
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
    border-radius: 12px;
}

.video-caption {
    margin-top: 16px;
    padding: 16px 20px;
    background: var(--bg-accent, #f0f9ff);
    border-radius: 12px;
    border-left: 3px solid #f59e0b;
}

.video-caption p {
    font-size: 0.95rem;
    color: var(--text-secondary, #334155);
    margin: 0;
    line-height: 1.6;
}

.video-caption strong {
    color: var(--text-primary, #0f172a);
    font-weight: 600;
}

/* ============================================
   RESPONSIVE STYLES
   ============================================ */

@media (max-width: 768px) {
    .quiz-container,
    .interactive-activity,
    .scenario-container,
    .fill-blank-container,
    .matching-container {
        padding: 24px 20px;
        margin: 30px 0;
    }

    .quiz-header,
    .activity-header,
    .scenario-header,
    .fill-blank-header,
    .matching-header {
        flex-wrap: wrap;
    }

    .activity-type {
        margin-left: 0;
        margin-top: 8px;
    }

    .matching-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .matching-connector {
        display: none;
    }

    .points-display {
        top: auto;
        bottom: 24px;
        right: 24px;
    }

    .activity-actions {
        flex-direction: column;
    }

    .activity-btn {
        width: 100%;
        justify-content: center;
    }
}