/* Prime Mysteries - Stylesheet */

:root {
    --bg-dark: #0a0e17;
    --bg-card: #151b2b;
    --bg-hover: #1a2235;
    --text-primary: #e8edf4;
    --text-secondary: #9ba3b4;
    --accent-blue: #4a9eff;
    --accent-purple: #b084ff;
    --accent-green: #52ffb8;
    --border-color: #2a3447;
}

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

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

/* Navigation */
.main-nav {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-blue);
    text-decoration: none;
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s;
    font-weight: 500;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--accent-blue);
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 4rem 2rem 3rem;
    background: linear-gradient(180deg, var(--bg-card) 0%, var(--bg-dark) 100%);
    border-bottom: 1px solid var(--border-color);
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.hero-visual {
    margin-top: 2rem;
}

.prime-grid {
    display: inline-block;
    font-family: monospace;
    font-size: 0.7rem;
    line-height: 1.2;
    color: var(--text-secondary);
    padding: 1rem;
    background: var(--bg-dark);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

/* Sections */
section {
    margin: 4rem 0;
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.section-intro {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    text-align: center;
}

/* Feature Cards */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    transition: transform 0.3s, border-color 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-blue);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    margin-bottom: 0.5rem;
}

.feature-card p {
    font-size: 1rem;
    margin-bottom: 1.5rem;
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background: var(--accent-blue);
    color: var(--bg-dark);
    text-decoration: none;
    border-radius: 6px;
    font-weight: 600;
    transition: background 0.3s, transform 0.2s;
}

.btn:hover {
    background: var(--accent-purple);
    transform: scale(1.05);
}

/* Why Primes Section */
.why-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    align-items: center;
}

.why-stats {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.stat {
    text-align: center;
    padding: 1.5rem;
    background: var(--bg-card);
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--accent-green);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Questions Grid */
.questions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.question-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
}

.question-card h3 {
    color: var(--accent-purple);
    margin-bottom: 1rem;
}

.status {
    display: inline-block;
    margin-top: 1rem;
    padding: 0.5rem 1rem;
    background: var(--bg-hover);
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--accent-green);
}

/* About Site Section */
.about-site {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 3rem;
    text-align: center;
}

.signature {
    margin-top: 2rem;
    font-style: italic;
    color: var(--text-secondary);
}

/* Footer */
footer {
    background: var(--bg-card);
    border-top: 1px solid var(--border-color);
    padding: 2rem;
    text-align: center;
    margin-top: 4rem;
}

footer p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin: 0.5rem 0;
}

.footer-note {
    font-style: italic;
    font-size: 0.85rem;
}

/* Canvas Container */
.canvas-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

canvas {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-dark);
    cursor: crosshair;
}

.controls {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

.controls button {
    padding: 0.75rem 1.5rem;
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    cursor: pointer;
    font-size: 1rem;
    transition: background 0.3s, border-color 0.3s;
}

.controls button:hover {
    background: var(--bg-hover);
    border-color: var(--accent-blue);
}

/* Explorer Tools */
.tool-section {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    margin: 2rem 0;
}

.input-group {
    display: flex;
    gap: 1rem;
    margin: 1rem 0;
    flex-wrap: wrap;
}

.input-group input {
    flex: 1;
    min-width: 200px;
    padding: 0.75rem;
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 1rem;
}

.input-group button {
    padding: 0.75rem 2rem;
    background: var(--accent-blue);
    color: var(--bg-dark);
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: background 0.3s;
}

.input-group button:hover {
    background: var(--accent-purple);
}

.result-box {
    margin-top: 1.5rem;
    padding: 1.5rem;
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    min-height: 60px;
}

.result-box.success {
    border-color: var(--accent-green);
}

.result-box.error {
    border-color: #ff4a6b;
}

/* Journal Entries */
.journal-entry {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    margin: 2rem 0;
}

.journal-entry h3 {
    color: var(--accent-blue);
    margin-bottom: 0.5rem;
}

.journal-date {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

blockquote {
    border-left: 4px solid var(--accent-purple);
    padding-left: 1.5rem;
    margin: 1.5rem 0;
    font-style: italic;
    color: var(--text-secondary);
}

/* Responsive */
@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 2.5rem;
    }

    .subtitle {
        font-size: 1.1rem;
    }

    .why-content {
        grid-template-columns: 1fr;
    }

    .nav-links {
        gap: 1rem;
        font-size: 0.9rem;
    }

    .features {
        grid-template-columns: 1fr;
    }
}

/* Prime highlight */
.prime {
    color: var(--accent-green);
    font-weight: bold;
}

.composite {
    color: var(--text-secondary);
    opacity: 0.3;
}