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

body {
    font-family: 'Open Sans', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: #333;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header Styles */
.header {
    text-align: center;
    margin-bottom: 30px;
    animation: slideDown 0.8s ease-out;
}

.header-top {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 20px;
}

.language-switcher {
    display: flex;
    gap: 10px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 25px;
    padding: 5px;
    backdrop-filter: blur(10px);
}

.lang-btn {
    background: transparent;
    border: none;
    color: #f7fafc;
    padding: 8px 15px;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.9rem;
}

.lang-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-1px);
}

.lang-btn.active {
    background: rgba(255, 255, 255, 0.9);
    color: #4a5568;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.lang-btn i,
.lang-btn .flag-icon {
    font-size: 1rem;
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-bottom: 10px;
}

.logo i,
.logo .brain-icon {
    font-size: 3rem;
    color: #fff;
    text-shadow: 0 0 20px rgba(255, 255, 255, 0.5);
    animation: pulse 2s infinite;
}

.logo h1 {
    font-family: 'Fredoka One', 'Comic Sans MS', cursive, sans-serif;
    font-size: 3rem;
    color: #fff;
    text-shadow: 3px 3px 0px #4a5568, -1px -1px 0px #4a5568, 1px -1px 0px #4a5568, -1px 1px 0px #4a5568;
}

.tagline {
    font-size: 1.2rem;
    color: #f7fafc;
    font-weight: 600;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.3);
}

/* Main Content */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

/* Welcome Section */
.welcome-section {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    animation: fadeInUp 1s ease-out 0.3s both;
}

.mascot {
    margin-bottom: 20px;
}

.robot-face {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #4299e1, #667eea);
    border-radius: 50%;
    margin: 0 auto 20px;
    position: relative;
    animation: bounce 2s infinite;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.eyes {
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
}

.eye {
    width: 12px;
    height: 12px;
    background: white;
    border-radius: 50%;
    position: relative;
}

.eye::after {
    content: '';
    position: absolute;
    width: 6px;
    height: 6px;
    background: #333;
    border-radius: 50%;
    top: 3px;
    left: 3px;
    animation: eyeMove 3s infinite;
}

.mouth {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 10px;
    border: 2px solid white;
    border-top: none;
    border-radius: 0 0 20px 20px;
}

.welcome-section h2 {
    font-family: 'Fredoka One', 'Comic Sans MS', cursive, sans-serif;
    font-size: 2rem;
    color: #4a5568;
    margin-bottom: 15px;
}

.welcome-section p {
    font-size: 1.1rem;
    line-height: 1.6;
    color: #666;
}

/* Question Section */
.question-section {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    animation: fadeInUp 1s ease-out 0.6s both;
}

.input-container label {
    display: block;
    font-family: 'Fredoka One', 'Comic Sans MS', cursive, sans-serif;
    font-size: 1.3rem;
    color: #4a5568;
    margin-bottom: 15px;
    text-align: center;
}

.input-wrapper {
    display: flex;
    flex-direction: column;
    gap: 15px;
    align-items: center;
}

#question-input {
    width: 100%;
    max-width: 600px;
    padding: 15px;
    border: 3px solid #e2e8f0;
    border-radius: 15px;
    font-size: 1.1rem;
    font-family: 'Open Sans', sans-serif;
    resize: vertical;
    transition: all 0.3s ease;
    background: #f8f9fa;
}

#question-input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    background: white;
}

.ask-btn {
    background: linear-gradient(135deg, #48bb78, #38a169);
    color: white;
    border: none;
    padding: 15px 30px;
    border-radius: 25px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(72, 187, 120, 0.3);
    display: flex;
    align-items: center;
    gap: 10px;
}

.ask-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(72, 187, 120, 0.4);
}

.ask-btn:active {
    transform: translateY(0);
}

/* Thinking Section */
.thinking-section {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    animation: fadeInUp 0.8s ease-out;
    margin-bottom: 20px;
}

.thinking-header h3 {
    font-family: 'Fredoka One', 'Comic Sans MS', cursive, sans-serif;
    font-size: 1.8rem;
    color: #4a5568;
    text-align: center;
    margin-bottom: 20px;
}

.thinking-header i {
    color: #f6ad55;
    margin-right: 10px;
}

.thinking-steps {
    margin-bottom: 25px;
}

.thinking-step {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 15px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: flex-start;
    gap: 15px;
    border-left: 4px solid #4299e1;
}

.step-number {
    background: linear-gradient(135deg, #4299e1, #3182ce);
    color: white;
    border-radius: 50%;
    width: 35px;
    height: 35px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.step-content {
    flex: 1;
}

.step-text {
    font-size: 1.1rem;
    color: #2d3748;
    margin-bottom: 15px;
    line-height: 1.6;
    font-weight: 500;
}

.step-thinking-space {
    margin-top: 10px;
}

.step-thinking-space textarea {
    width: 100%;
    height: 60px;
    min-height: 60px;
    max-height: 100px;
    padding: 12px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-family: inherit;
    font-size: 0.95rem;
    resize: none;
    transition: border-color 0.3s ease;
    background: rgba(247, 250, 252, 0.8);
    overflow-y: auto;
}

.step-thinking-space textarea:focus {
    outline: none;
    border-color: #4299e1;
    background: white;
    box-shadow: 0 0 0 3px rgba(66, 153, 225, 0.1);
}

.step-thinking-space textarea::placeholder {
    color: #a0aec0;
    font-style: italic;
}

.thinking-step::before {
    content: '';
    position: absolute;
    left: -8px;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    background: #667eea;
    border-radius: 50%;
    border: 3px solid white;
}

.thinking-step h4 {
    font-family: 'Fredoka One', 'Comic Sans MS', cursive, sans-serif;
    color: #4a5568;
    margin-bottom: 8px;
    font-size: 1.2rem;
}

.thinking-step p {
    color: #666;
    line-height: 1.6;
}

.thinking-step.highlight {
    background: linear-gradient(135deg, #fed7d7, #feb2b2);
    border-left-color: #f56565;
}

.thinking-step.highlight::before {
    background: #f56565;
}

/* AI-Powered Response Styles */
.encouragement-message {
    background: linear-gradient(135deg, #48bb78, #38a169);
    color: white;
    padding: 20px;
    border-radius: 15px;
    margin-bottom: 25px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(72, 187, 120, 0.3);
    animation: bounceIn 0.6s ease-out;
}

.encouragement-text {
    font-size: 1.2rem;
    font-weight: 600;
    line-height: 1.4;
}

.encouragement-text small {
    display: block;
    font-size: 0.9rem;
    opacity: 0.9;
    margin-top: 5px;
    font-weight: 400;
}

/* Action Buttons */
.action-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 20px;
}

.action-btn {
    background: linear-gradient(135deg, #4299e1, #3182ce);
    color: white;
    border: none;
    padding: 12px 20px;
    border-radius: 20px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 12px rgba(66, 153, 225, 0.3);
}

.action-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(66, 153, 225, 0.4);
}

.action-btn.research {
    background: linear-gradient(135deg, #ed8936, #dd6b20);
    box-shadow: 0 4px 12px rgba(237, 137, 54, 0.3);
}

.action-btn.experiment {
    background: linear-gradient(135deg, #38b2ac, #319795);
    box-shadow: 0 4px 12px rgba(56, 178, 172, 0.3);
}

.action-btn.discuss {
    background: linear-gradient(135deg, #9f7aea, #805ad5);
    box-shadow: 0 4px 12px rgba(159, 122, 234, 0.3);
}

/* Suggestions Section */
.suggestions-section {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    animation: fadeInUp 1s ease-out 0.9s both;
}

.suggestions-section h3 {
    font-family: 'Fredoka One', 'Comic Sans MS', cursive, sans-serif;
    font-size: 1.8rem;
    color: #4a5568;
    text-align: center;
    margin-bottom: 25px;
}

.suggestions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.suggestion-card {
    background: linear-gradient(135deg, #f7fafc, #edf2f7);
    border-radius: 15px;
    padding: 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.suggestion-card:hover {
    transform: translateY(-5px);
    border-color: #667eea;
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.2);
}

.suggestion-card i,
.suggestion-card .sun-icon,
.suggestion-card .bird-icon,
.suggestion-card .water-icon,
.suggestion-card .computer-icon,
.suggestion-card .moon-icon,
.suggestion-card .rainbow-icon {
    font-size: 2rem;
    color: #667eea;
    margin-bottom: 10px;
    display: block;
}

.suggestion-card p {
    font-weight: 600;
    color: #4a5568;
    margin: 0;
}

/* Footer */
.footer {
    text-align: center;
    margin-top: 30px;
    padding: 20px;
    color: #f7fafc;
}

.footer p {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.safety-note {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 0.9rem;
    opacity: 0.8;
}

/* Loading Animation */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(102, 126, 234, 0.9);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.loading-spinner {
    position: relative;
    width: 100px;
    height: 100px;
    margin-bottom: 20px;
}

.gear {
    position: absolute;
    border: 4px solid #fff;
    border-radius: 50%;
}

.gear1 {
    width: 60px;
    height: 60px;
    top: 20px;
    left: 20px;
    animation: rotate 2s linear infinite;
}

.gear2 {
    width: 40px;
    height: 40px;
    top: 0;
    right: 0;
    animation: rotate 2s linear infinite reverse;
}

.gear3 {
    width: 30px;
    height: 30px;
    bottom: 0;
    left: 0;
    animation: rotate 1.5s linear infinite;
}

.loading-overlay p {
    color: white;
    font-size: 1.2rem;
    font-weight: 600;
    text-align: center;
}

/* Utility Classes */
.hidden {
    display: none !important;
    visibility: hidden !important;
    opacity: 0 !important;
}

/* Loading overlay should be hidden by default */
.loading-overlay.hidden {
    display: none !important;
}

/* Ensure proper z-index for loading overlay */
.loading-overlay {
    z-index: 9999;
}

/* Fallback for missing Font Awesome icons */
.fas.fa-brain::before {
    content: "🧠";
    font-family: "Open Sans", sans-serif;
}

.fas.fa-flag-usa::before {
    content: "🇺🇸";
    font-family: "Open Sans", sans-serif;
}

.fas.fa-flag::before {
    content: "🇩🇪";
    font-family: "Open Sans", sans-serif;
}

.fas.fa-rocket::before {
    content: "🚀";
    font-family: "Open Sans", sans-serif;
}

.fas.fa-lightbulb::before {
    content: "💡";
    font-family: "Open Sans", sans-serif;
}

.fas.fa-search::before {
    content: "🔍";
    font-family: "Open Sans", sans-serif;
}

.fas.fa-flask::before {
    content: "🧪";
    font-family: "Open Sans", sans-serif;
}

.fas.fa-comments::before {
    content: "💬";
    font-family: "Open Sans", sans-serif;
}

.fas.fa-sun::before {
    content: "☀️";
    font-family: "Open Sans", sans-serif;
}

.fas.fa-dove::before {
    content: "🕊️";
    font-family: "Open Sans", sans-serif;
}

.fas.fa-tint::before {
    content: "💧";
    font-family: "Open Sans", sans-serif;
}

.fas.fa-computer::before {
    content: "💻";
    font-family: "Open Sans", sans-serif;
}

.fas.fa-moon::before {
    content: "🌙";
    font-family: "Open Sans", sans-serif;
}

.fas.fa-rainbow::before {
    content: "🌈";
    font-family: "Open Sans", sans-serif;
}

.fas.fa-shield-alt::before {
    content: "🛡️";
    font-family: "Open Sans", sans-serif;
}

/* Unicode icon styles for fallback */
.flag-icon,
.brain-icon,
.rocket-icon,
.lightbulb-icon,
.research-icon,
.experiment-icon,
.discuss-icon,
.sun-icon,
.bird-icon,
.water-icon,
.computer-icon,
.moon-icon,
.rainbow-icon,
.shield-icon {
    font-size: 1.2em;
    display: inline-block;
    margin-right: 5px;
}

.brain-icon {
    font-size: 3rem;
    text-shadow: 0 0 20px rgba(255, 255, 255, 0.5);
    animation: pulse 2s infinite;
    margin-right: 15px;
}

.suggestion-card .sun-icon,
.suggestion-card .bird-icon,
.suggestion-card .water-icon,
.suggestion-card .computer-icon,
.suggestion-card .moon-icon,
.suggestion-card .rainbow-icon {
    font-size: 2rem;
    display: block;
    margin-bottom: 10px;
    margin-right: 0;
}

.lang-btn .flag-icon {
    margin-right: 5px;
}

/* Ensure icons display properly */
.fas {
    font-style: normal;
    font-variant: normal;
    text-rendering: auto;
    -webkit-font-smoothing: antialiased;
}

/* Animations */
@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
    100% {
        transform: scale(1);
    }
}

@keyframes eyeMove {
    0%, 40%, 100% {
        transform: translate(0, 0);
    }
    10% {
        transform: translate(-2px, 0);
    }
    20% {
        transform: translate(2px, 0);
    }
    30% {
        transform: translate(0, -2px);
    }
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: scale(0.8) translateY(20px);
    }
    60% {
        opacity: 1;
        transform: scale(1.05) translateY(-5px);
    }
    100% {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

/* Answer Reveal Section Styles */
.answer-reveal-section {
    margin-top: 30px;
    padding: 25px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    border: 2px dashed #e2e8f0;
    text-align: center;
}

.reveal-prompt h4 {
    color: #4a5568;
    font-size: 1.3rem;
    margin-bottom: 10px;
    font-family: 'Fredoka One', 'Comic Sans MS', cursive, sans-serif;
}

.reveal-prompt p {
    color: #718096;
    margin-bottom: 20px;
    font-size: 1rem;
    line-height: 1.5;
}

.reveal-answer-btn {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border: none;
    border-radius: 25px;
    padding: 15px 30px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.reveal-answer-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
    background: linear-gradient(135deg, #5a67d8, #6b46c1);
}

.reveal-answer-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.btn-icon {
    font-size: 1.2rem;
}

/* Answer Content Styles */
.answer-content {
    margin-top: 20px;
}

.answer-box {
    background: linear-gradient(135deg, #f7fafc, #edf2f7);
    border-radius: 20px;
    padding: 25px;
    border-left: 5px solid #48bb78;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.answer-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
    flex-wrap: wrap;
}

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

.answer-header h4 {
    color: #2d3748;
    font-size: 1.2rem;
    margin: 0;
    font-family: 'Fredoka One', 'Comic Sans MS', cursive, sans-serif;
}

.answer-source {
    background: rgba(72, 187, 120, 0.1);
    color: #38a169;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 0.8rem;
    margin-left: auto;
}

.answer-text {
    background: white;
    padding: 20px;
    border-radius: 15px;
    color: #2d3748;
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 15px;
    border: 1px solid #e2e8f0;
}

.answer-footer {
    text-align: center;
    color: #4a5568;
    font-style: italic;
}

.answer-footer p {
    margin: 0;
    font-size: 1rem;
}

/* Animation for answer reveal */
@keyframes answerReveal {
    0% {
        opacity: 0;
        transform: scale(0.95) translateY(20px);
    }
    100% {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.answer-content:not(.hidden) {
    animation: answerReveal 0.6s ease-out;
}

/* Mobile responsiveness for answer section */
@media (max-width: 768px) {
    .answer-reveal-section {
        padding: 20px;
        margin-top: 20px;
    }
    
    .reveal-answer-btn {
        padding: 12px 25px;
        font-size: 1rem;
    }
    
    .answer-box {
        padding: 20px;
    }
    
    .answer-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    
    .answer-source {
        margin-left: 0;
    }
}

/* Interactive Chat Interface Styles */
.conversation-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    background: white;
    border-radius: 20px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    min-height: 400px;
}

.conversation-step {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
    margin-bottom: 25px;
    min-height: auto; /* Ensure no artificial height constraints */
}

.conversation-step.visible {
    opacity: 1;
    transform: translateY(0);
}

.ai-message {
    background: linear-gradient(135deg, #48bb78, #38a169);
    border-radius: 20px 20px 20px 5px;
    padding: 20px;
    margin-bottom: 20px;
    color: white;
    box-shadow: 0 4px 15px rgba(72, 187, 120, 0.3);
}

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

.ai-avatar {
    font-size: 1.2em;
}

.ai-label {
    font-weight: 600;
    font-size: 0.9em;
    opacity: 0.9;
}

.message-content {
    line-height: 1.6;
}

.chat-message {
    margin-bottom: 15px;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s ease-out;
    max-width: 85%;
}

.chat-message.visible {
    opacity: 1;
    transform: translateY(0);
}

.chat-message.ai-message {
    align-self: flex-start;
    margin-right: auto;
}

.chat-message.user-message {
    align-self: flex-end;
    margin-left: auto;
    background: linear-gradient(135deg, #4299e1, #3182ce);
    border-radius: 20px 20px 5px 20px;
    padding: 15px 20px;
    color: white;
    box-shadow: 0 3px 10px rgba(66, 153, 225, 0.3);
}

.chat-message.ai-message {
    background: linear-gradient(135deg, #48bb78, #38a169);
    border-radius: 20px 20px 20px 5px;
    padding: 15px 20px;
    color: white;
    box-shadow: 0 3px 10px rgba(72, 187, 120, 0.3);
}

.chat-message .message-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
    font-size: 0.85em;
    opacity: 0.9;
}

.chat-message .message-content {
    line-height: 1.5;
}

.chat-message .message-content p {
    margin: 0;
    word-wrap: break-word;
}

.chat-input-container {
    margin: 20px 0;
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.3s ease-out;
}

.chat-input-container.visible {
    opacity: 1;
    transform: translateY(0);
}

.chat-input-container .input-area {
    display: flex;
    gap: 10px;
    align-items: flex-end;
    background: #f8f9fa;
    border-radius: 25px;
    padding: 10px 15px;
    border: 2px solid #e2e8f0;
    transition: border-color 0.3s ease;
}

.chat-input-container .input-area:focus-within {
    border-color: #4299e1;
    box-shadow: 0 0 0 3px rgba(66, 153, 225, 0.1);
}

.chat-input-container .input-area.answered {
    background: #f0f9ff;
    border-color: #48bb78;
    opacity: 0.7;
}

.chat-textarea {
    flex: 1;
    min-height: 20px;
    max-height: 100px;
    padding: 10px 0;
    border: none;
    background: transparent;
    font-family: inherit;
    font-size: 14px;
    resize: none;
    outline: none;
    overflow-y: auto;
}

.chat-textarea::placeholder {
    color: #a0aec0;
    font-style: italic;
}

.chat-input-container .reply-btn {
    background: linear-gradient(135deg, #4299e1, #3182ce);
    color: white;
    border: none;
    border-radius: 20px;
    padding: 8px 15px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 5px;
    white-space: nowrap;
}

.chat-input-container .reply-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(66, 153, 225, 0.4);
}

.chat-input-container .reply-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* Ensure the conversation flows like a real chat */
.conversation-container {
    display: flex;
    flex-direction: column;
    max-height: 600px;
    overflow-y: auto;
    scroll-behavior: smooth;
}

/* Make reveal section part of the chat flow */
.reveal-section {
    margin-top: 30px;
    padding: 25px;
    background: linear-gradient(135deg, #4299e1, #3182ce);
    border-radius: 20px;
    color: white;
    text-align: center;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s ease-out;
    box-shadow: 0 5px 20px rgba(66, 153, 225, 0.3);
}

.reveal-section.visible {
    opacity: 1;
    transform: translateY(0);
}

.reveal-prompt p {
    margin-bottom: 15px;
    font-size: 1.2em;
    font-weight: 500;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.reveal-btn {
    background: rgba(255, 255, 255, 0.9);
    color: #3182ce;
    border: 2px solid rgba(255, 255, 255, 0.9);
    border-radius: 25px;
    padding: 15px 30px;
    font-size: 1.1em;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.reveal-btn:hover {
    background: white;
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
}

/* Final Answer Styles - Better Readability */
.final-answer {
    background: white;
    border-radius: 15px;
    padding: 25px;
    margin: 20px 0;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
    border: 1px solid #e2e8f0;
}

.final-answer .answer-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid #f7fafc;
    flex-wrap: wrap;
}

.final-answer .answer-icon {
    font-size: 1.8rem;
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    padding: 8px;
    border-radius: 10px;
    color: white;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.final-answer h4 {
    color: #1a202c;
    font-size: 1.4rem;
    font-weight: 700;
    margin: 0;
    flex: 1;
}

.final-answer .answer-source {
    background: linear-gradient(135deg, #48bb78, #38a169);
    color: white;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    white-space: nowrap;
}

.final-answer .answer-text {
    color: #2d3748;
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: 20px;
    background: #f8f9fa;
    padding: 20px;
    border-radius: 10px;
    border-left: 4px solid #48bb78;
}

.final-answer .answer-footer {
    background: linear-gradient(135deg, #e6fffa, #b2f5ea);
    border-radius: 10px;
    padding: 15px 20px;
    text-align: center;
}

.final-answer .answer-footer p {
    color: #234e52;
    font-weight: 600;
    margin: 0;
    font-size: 1.1rem;
}

/* Fallback answer styles */
.final-answer.fallback {
    background: linear-gradient(135deg, #fed7d7, #feb2b2);
    border-left-color: #e53e3e;
}

.final-answer.fallback .answer-text {
    background: rgba(255, 255, 255, 0.8);
    border-left-color: #e53e3e;
}

/* Visual Content Integration */
.visual-step {
    margin: 20px 0;
}

.visual-step .ai-message {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.visual-step .message-content {
    padding: 20px;
}

.visual-step .message-content p {
    margin-bottom: 15px;
    font-weight: 600;
    color: white;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

/* Enhanced conversation styling */
.conversation-container {
    max-width: 100%;
    margin: 0 auto;
}

.conversation-step {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease-out;
    margin-bottom: 20px;
}

.conversation-step.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive visual content */
@media (max-width: 768px) {
    .visual-concept {
        margin: 10px -10px;
        border-radius: 10px;
    }
    
    .visual-step .message-content {
        padding: 15px;
    }
}