/* aipod - Terminal-style design */

:root {
    /* Light theme (default) - darker, muted */
    --color-bg: #f0f0f0;
    --color-bg-secondary: #e8e8e8;
    --color-text: #1a1a1a;
    --color-text-secondary: #555555;
    --color-text-muted: #777777;
    --color-accent: #4361ee;
    --color-accent-hover: #3651d4;
    --color-border: #d0d0d0;
    --color-code-bg: #e0e0e0;
    --color-card-bg: #e8e8e8;
    --color-card-border: #d0d0d0;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.12);
    --color-highlight: #fff176;

    /* Typography - all monospace */
    --font-mono: 'IBM Plex Mono', 'SF Mono', Monaco, 'Cascadia Code', monospace;

    /* Spacing */
    --max-width: 1100px;
    --spacing: 1rem;
}

[data-theme="dark"] {
    --color-bg: #0a0a0a;
    --color-bg-secondary: #111111;
    --color-text: #e0e0e0;
    --color-text-secondary: #999999;
    --color-text-muted: #666666;
    --color-accent: #4361ee;
    --color-accent-hover: #5a75f0;
    --color-border: #262626;
    --color-code-bg: #171717;
    --color-card-bg: #141414;
    --color-card-border: #262626;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --color-highlight: #fff176;
}

/* Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* Base */
html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-mono);
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-bg);
}

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color 0.15s ease;
}

a:hover {
    color: var(--color-accent-hover);
}

.highlight {
    background: var(--color-highlight);
    color: #1a1a1a;
    padding: 0.1em 0.3em;
    border-radius: 3px;
}

code {
    font-family: var(--font-mono);
    font-size: 0.9em;
    background: var(--color-code-bg);
    padding: 0.15em 0.4em;
    border-radius: 4px;
}

/* Page wrapper */
.page-wrapper {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
}

.header-content {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    font-family: var(--font-mono);
    color: var(--color-text);
    letter-spacing: -0.02em;
}

.nav {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    transition: color 0.15s ease;
}

.nav-link:hover {
    color: var(--color-text);
}

.icon {
    width: 18px;
    height: 18px;
}

.theme-toggle {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 6px;
    color: var(--color-text-secondary);
    transition: background 0.15s ease, color 0.15s ease;
}

.theme-toggle:hover {
    background: var(--color-code-bg);
    color: var(--color-text);
}

[data-theme="dark"] .theme-toggle .sun,
:root:not([data-theme]) .theme-toggle .sun { display: block; }
[data-theme="dark"] .theme-toggle .moon,
:root:not([data-theme]) .theme-toggle .moon { display: none; }
[data-theme="light"] .theme-toggle .sun { display: none; }
[data-theme="light"] .theme-toggle .moon { display: block; }

/* Hero */
.hero {
    padding: 1.5rem 1.5rem 2rem;
    text-align: center;
    background: var(--color-bg-secondary);
}

.hero-content {
    max-width: 840px;
    margin: 0 auto;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.03em;
    margin-bottom: 1rem;
    color: var(--color-text);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    margin-bottom: 2.5rem;
    line-height: 1.5;
}

/* Install Section */
.install-section {
    max-width: 800px;
    margin: 0 auto;
}

.install-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
    justify-content: center;
}

.install-tab {
    padding: 0.5rem 1rem;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 500;
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all 0.15s ease;
}

.install-tab:hover {
    border-color: var(--color-text-muted);
    color: var(--color-text);
}

.install-tab.active {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: white;
}

.install-content {
    display: none;
}

.install-content.active {
    display: block;
}

.code-block {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    background: var(--color-code-bg);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 1rem 1.25rem;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    overflow-x: auto;
}

.code-block code {
    background: none;
    padding: 0;
    color: var(--color-text);
    white-space: nowrap;
}

.copy-btn {
    flex-shrink: 0;
    padding: 0.4rem 0.8rem;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 500;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all 0.15s ease;
}

.copy-btn:hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: white;
}

.copy-btn.copied {
    background: #16a34a;
    border-color: #16a34a;
    color: white;
}

.install-note {
    margin-top: 1rem;
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

/* Section Title */
.section-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    text-align: center;
    letter-spacing: -0.02em;
}

/* Features */
.features {
    padding: 2rem 1.5rem;
    background: var(--color-bg);
}

.features-content {
    max-width: var(--max-width);
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
}

.feature-card {
    background: var(--color-card-bg);
    border: 1px solid var(--color-card-border);
    border-radius: 8px;
    padding: 1.25rem;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.feature-card:hover {
    border-color: var(--color-accent);
    box-shadow: var(--shadow-md);
}

.feature-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.35rem;
    color: var(--color-text);
}

.feature-description {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

/* How It Works */
.how-it-works {
    padding: 3rem 1.5rem;
    background: var(--color-bg-secondary);
}

.how-content {
    max-width: 700px;
    margin: 0 auto;
}

.steps {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.step {
    display: flex;
    gap: 1.25rem;
    align-items: flex-start;
}

.step-number {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent);
    color: white;
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: 50%;
}

.step-content h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: var(--color-text);
}

.step-content p {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

.step-content code {
    font-size: 0.85em;
}

/* Config Section */
.config-section {
    padding: 3rem 1.5rem;
    background: var(--color-bg);
}

.config-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.config-description {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    margin-bottom: 1.5rem;
}

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

.config-example pre {
    margin: 0;
}

.config-example code {
    display: block;
    white-space: pre;
    line-height: 1.7;
}

/* FAQ */
.faq {
    padding: 3rem 1.5rem;
    background: var(--color-bg-secondary);
}

.faq-content {
    max-width: 700px;
    margin: 0 auto;
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.faq-item {
    background: var(--color-card-bg);
    border: 1px solid var(--color-card-border);
    border-radius: 8px;
    overflow: hidden;
}

.faq-item summary {
    padding: 1rem 1.25rem;
    font-weight: 500;
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background 0.15s ease;
}

.faq-item summary:hover {
    background: var(--color-code-bg);
}

.faq-item summary::after {
    content: '+';
    font-size: 1.25rem;
    color: var(--color-text-muted);
    transition: transform 0.2s ease;
}

.faq-item[open] summary::after {
    transform: rotate(45deg);
}

.faq-item p {
    padding: 0 1.25rem 1.25rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* Footer */
.footer {
    margin-top: auto;
    padding: 2rem 1.5rem;
    background: var(--color-bg);
    border-top: 1px solid var(--color-border);
}

.footer-content {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

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

.footer-links a {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    transition: color 0.15s ease;
}

.footer-links a:hover {
    color: var(--color-text);
}

.footer-credit {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

/* Responsive */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.25rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .hero {
        padding: 3rem 1rem;
    }

    .features,
    .how-it-works,
    .config-section,
    .faq {
        padding: 3rem 1rem;
    }

    .code-block {
        flex-direction: column;
        align-items: stretch;
        gap: 0.75rem;
    }

    .code-block code {
        font-size: 0.8rem;
    }

    .copy-btn {
        align-self: flex-end;
    }

    .step {
        flex-direction: column;
        gap: 0.75rem;
    }

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

@media (max-width: 480px) {
    .header-content {
        padding: 0.75rem 1rem;
    }

    .nav {
        gap: 1rem;
    }

    .nav-link span {
        display: none;
    }

    .hero-title {
        font-size: 1.75rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .install-tabs {
        flex-wrap: wrap;
    }
}