/* ===== AI-Generated CSS ===== */
/* Created by: 콩미니 (Kong-mini) */

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

:root {
    --primary: #f74c00;
    --secondary: #2e2e2e;
    --bg: #0d0d0d;
    --text: #e0e0e0;
    --border: #333;
    --success: #4caf50;
    --warning: #ff9800;
    --info: #2196f3;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

/* ===== Header ===== */
header {
    text-align: center;
    padding: 30px 20px;
    border-bottom: 2px solid var(--primary);
    margin-bottom: 30px;
}

header h1 {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 10px;
}

.subtitle {
    font-size: 1.1rem;
    color: #888;
}

.ai-notice {
    margin-top: 15px;
    padding: 10px 20px;
    background: rgba(247, 76, 0, 0.1);
    border-left: 3px solid var(--primary);
    display: inline-block;
    font-size: 0.9rem;
}

/* ===== Canvas ===== */
.canvas-container {
    background: var(--secondary);
    padding: 20px;
    border-radius: 12px;
    margin-bottom: 30px;
    display: flex;
    justify-content: center;
    border: 1px solid var(--border);
}

#memoryCanvas {
    background: #1a1a1a;
    border-radius: 8px;
    max-width: 100%;
}

/* ===== Controls ===== */
.controls {
    background: var(--secondary);
    padding: 30px;
    border-radius: 12px;
    margin-bottom: 30px;
    border: 1px solid var(--border);
}

.controls h2 {
    color: var(--primary);
    margin-bottom: 25px;
    font-size: 1.8rem;
}

.example-group {
    margin-bottom: 40px;
    padding-bottom: 30px;
    border-bottom: 1px solid var(--border);
}

.example-group:last-child {
    border-bottom: none;
}

.example-group h3 {
    color: var(--success);
    margin-bottom: 15px;
    font-size: 1.4rem;
}

.description {
    font-size: 1.1rem;
    color: #bbb;
    margin-bottom: 20px;
    line-height: 1.7;
}

.description strong {
    color: var(--primary);
}

/* ===== Code Display ===== */
.code-display {
    background: #1a1a1a;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    border-left: 4px solid var(--success);
}

.code-display pre {
    margin: 0;
    overflow-x: auto;
}

.code-display code {
    font-family: 'Monaco', 'Menlo', monospace;
    font-size: 0.9rem;
    color: #a5d6ff;
    line-height: 1.6;
}

/* ===== Buttons ===== */
.buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.3s;
    font-family: inherit;
}

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

.btn-primary:hover {
    background: #1976d2;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(33, 150, 243, 0.3);
}

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

.btn-warning:hover {
    background: #f57c00;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 152, 0, 0.3);
}

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

.btn-success:hover {
    background: #388e3c;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(76, 175, 80, 0.3);
}

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

.btn-error:hover {
    background: #d32f2f;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(244, 67, 54, 0.3);
}

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

.btn-info:hover {
    background: #1976d2;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(33, 150, 243, 0.3);
}

.btn-secondary {
    background: #666;
    color: white;
}

.btn-secondary:hover {
    background: #555;
    transform: translateY(-2px);
}

/* ===== Back Navigation ===== */
.back-nav {
    margin: 20px 0;
    text-align: left;
}

.back-nav a {
    display: inline-block;
    padding: 10px 20px;
    color: var(--text);
    text-decoration: none;
    border: 1px solid var(--border);
    border-radius: 8px;
    transition: all 0.3s;
}

.back-nav a:hover {
    background: var(--secondary);
    border-color: var(--primary);
}

/* ===== Struggles Page ===== */

.struggles-intro {
    background: var(--card-bg);
    padding: 30px;
    border-radius: 12px;
    margin-bottom: 30px;
    text-align: center;
}

.struggle-card {
    background: var(--card-bg);
    padding: 30px;
    border-radius: 12px;
    margin-bottom: 30px;
    border-left: 4px solid var(--primary);
}

.struggle-card h3 {
    color: var(--primary);
    margin-bottom: 20px;
    font-size: 1.4em;
}

.code-error {
    background: #2d1b1b;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 15px;
    border-left: 4px solid #f44336;
}

.code-success {
    background: #1b2d1b;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 15px;
    border-left: 4px solid #4caf50;
}

.code-error h4,
.code-success h4 {
    margin: 0 0 10px 0;
    font-size: 0.9em;
    opacity: 0.9;
}

.code-error pre,
.code-success pre {
    margin: 0;
}

.code-error code,
.code-success code {
    color: var(--text);
    font-size: 0.9em;
    line-height: 1.6;
}

.explanation-box {
    background: var(--secondary);
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.explanation-box h4 {
    color: var(--primary);
    margin: 0 0 10px 0;
}

.explanation-box ul {
    margin: 0;
    padding-left: 20px;
}

.explanation-box li {
    margin-bottom: 8px;
    line-height: 1.6;
}

/* ===== Explanation Panel ===== */
.explanation {
    background: var(--secondary);
    padding: 30px;
    border-radius: 12px;
    margin-bottom: 30px;
    border: 1px solid var(--border);
}

.explanation h3 {
    color: var(--primary);
    margin-bottom: 25px;
    font-size: 1.6rem;
}

.metaphor-card {
    background: rgba(255, 255, 255, 0.03);
    padding: 25px;
    border-radius: 10px;
    margin-bottom: 20px;
    border: 1px solid var(--border);
}

.metaphor-card h4 {
    color: var(--warning);
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.metaphor-card ul {
    list-style: none;
    padding-left: 0;
}

.metaphor-card li {
    padding: 10px 0;
    font-size: 1.05rem;
    color: #ccc;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.metaphor-card li:last-child {
    border-bottom: none;
}

.metaphor-card strong {
    color: var(--primary);
}

/* ===== Footer ===== */
footer {
    text-align: center;
    padding: 30px 20px;
    border-top: 1px solid var(--border);
}

.ai-attribution {
    font-size: 0.9rem;
    color: #888;
    margin-bottom: 10px;
}

.ai-attribution a {
    color: var(--primary);
    text-decoration: none;
}

.ai-attribution a:hover {
    text-decoration: underline;
}

.license {
    font-size: 0.85rem;
    color: #666;
}

.license a {
    color: #888;
    text-decoration: none;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    header h1 {
        font-size: 2rem;
    }

    .buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .canvas-container {
        padding: 10px;
    }

    #memoryCanvas {
        width: 100%;
        height: auto;
    }
}