/* ═══════════════════════════════════════════════════════════
   RuntimeForce — Global Styles
   ═══════════════════════════════════════════════════════════ */

:root,
html.dark {
    --bg-primary: #0d1117;
    --bg-secondary: #010409;
    --bg-card: rgba(22, 27, 34, 0.6);
    --bg-card-solid: #161b22;
    --text-primary: #ffffff;
    --text-secondary: #8b949e;
    --text-muted: #5a6070;
    --border-color: rgba(255, 255, 255, 0.08);
    --border-strong: rgba(255, 255, 255, 0.15);
    --accent: #00ff88;
    --accent-blue: #3b82f6;
    --accent-purple: #a855f7;
    --accent-orange: #f97316;
    --accent-red: #ef4444;
    --nav-bg: rgba(13, 17, 23, 0.85);
    --glow-accent: rgba(0, 255, 136, 0.15);
    --glow-blue: rgba(59, 130, 246, 0.10);
    --code-bg: #161b22;
    --code-border: rgba(255, 255, 255, 0.1);
    --shadow-lg: 0 25px 50px -12px rgba(0, 0, 0, 0.8);
}

html.light {
    --bg-primary: #ffffff;
    --bg-secondary: #f6f8fa;
    --bg-card: rgba(255, 255, 255, 0.9);
    --bg-card-solid: #ffffff;
    --text-primary: #1f2328;
    --text-secondary: #656d76;
    --text-muted: #8892a4;
    --border-color: rgba(31, 35, 40, 0.12);
    --border-strong: rgba(31, 35, 40, 0.2);
    --accent: #00b35f;
    --accent-blue: #0969da;
    --accent-purple: #8250df;
    --accent-orange: #d97706;
    --accent-red: #dc2626;
    --nav-bg: rgba(255, 255, 255, 0.9);
    --glow-accent: rgba(0, 179, 95, 0.12);
    --glow-blue: rgba(9, 105, 218, 0.08);
    --code-bg: #f6f8fa;
    --code-border: rgba(31, 35, 40, 0.15);
    --shadow-lg: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
}

/* ═══════════════════════════════════════════════════════════
   Base
   ═══════════════════════════════════════════════════════════ */
* {
    box-sizing: border-box;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: background-color 0.3s ease, color 0.3s ease;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* Scrollbar */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-secondary); }

html { scroll-behavior: smooth; }

/* ═══════════════════════════════════════════════════════════
   Animations
   ═══════════════════════════════════════════════════════════ */
@keyframes pulse-glow {
    0%, 100% { opacity: 0.5; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.05); }
}

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

.glow-effect {
    position: absolute;
    background: radial-gradient(circle, var(--glow-accent) 0%, transparent 70%);
    width: 600px;
    height: 600px;
    pointer-events: none;
    animation: pulse-glow 10s infinite;
}

.glow-blue {
    background: radial-gradient(circle, var(--glow-blue) 0%, transparent 70%);
}

/* ═══════════════════════════════════════════════════════════
   Components
   ═══════════════════════════════════════════════════════════ */
.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
}

.nav-bar {
    background: var(--nav-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
}

.footer-bar {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
}

.section-alt {
    background: var(--bg-secondary);
}

/* Cards */
.feature-card {
    background: var(--bg-card-solid);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.feature-card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
}

/* Code blocks */
.code-block {
    background: var(--code-bg);
    border: 1px solid var(--code-border);
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
}

/* Buttons */
.btn-primary {
    background: var(--accent);
    color: #000;
    font-weight: 600;
    transition: all 0.2s ease;
}

.btn-primary:hover {
    transform: scale(1.05);
    box-shadow: 0 0 20px var(--glow-accent);
}

.btn-secondary {
    background: transparent;
    border: 1px solid var(--border-strong);
    color: var(--text-primary);
    transition: all 0.2s ease;
}

.btn-secondary:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    transition: color 0.2s ease;
}

.btn-ghost:hover {
    color: var(--text-primary);
}

/* Pricing cards */
.pricing-card {
    background: var(--bg-card-solid);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.pricing-card:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
}

.pricing-card.featured {
    border: 2px solid var(--accent);
    box-shadow: 0 0 40px -10px var(--glow-accent);
}

/* Form inputs */
.form-input {
    width: 100%;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    transition: border-color 0.2s ease;
}

.form-input:focus {
    outline: none;
    border-color: var(--accent);
}

/* Theme toggle */
html.dark .theme-icon-sun { display: none; }
html.dark .theme-icon-moon { display: inline-block; }
html.light .theme-icon-sun { display: inline-block; }
html.light .theme-icon-moon { display: none; }

/* Theme logos */
html.dark .logo-light { display: none !important; }
html.dark .logo-dark { display: block !important; }
html.light .logo-light { display: block !important; }
html.light .logo-dark { display: none !important; }

/* Auth nav buttons */
.nav-auth-signed-in,
.nav-auth-signed-out {
    display: none;
    align-items: center;
    gap: 0.75rem;
}

body.is-authenticated .nav-auth-signed-in { display: flex; }
body.is-authenticated .nav-auth-signed-out { display: none; }
body:not(.is-authenticated) .nav-auth-signed-in { display: none; }
body:not(.is-authenticated) .nav-auth-signed-out { display: flex; }

/* ═══════════════════════════════════════════════════════════
   Legal pages (privacy, terms, refund)
   ═══════════════════════════════════════════════════════════ */
.legal-content {
    max-width: 48rem;
    margin: 0 auto;
}

.legal-content h1 {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.legal-content h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
}

.legal-content h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.legal-content p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1rem;
}

.legal-content ul,
.legal-content ol {
    color: var(--text-secondary);
    margin-left: 1.5rem;
    margin-bottom: 1rem;
    line-height: 1.7;
}

.legal-content li {
    margin-bottom: 0.5rem;
}

.legal-content a {
    color: var(--accent);
    text-decoration: underline;
}

.legal-content .legal-meta {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

/* Utility */
.text-brand-text { color: var(--text-primary); }
.text-brand-muted { color: var(--text-secondary); }
.text-brand-accent { color: var(--accent); }
.text-brand-blue { color: var(--accent-blue); }
.bg-brand-bg { background-color: var(--bg-primary); }
.bg-brand-darker { background-color: var(--bg-secondary); }
.border-brand-border { border-color: var(--border-color); }

/* Hero title gradient */
.hero-gradient {
    background: linear-gradient(to right, var(--accent), var(--accent-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* OS pills */
.os-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: 6px;
    background: var(--bg-card-solid);
    border: 1px solid var(--border-color);
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* Mobile menu */
.mobile-menu {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem;
    z-index: 40;
}

.mobile-menu.open { display: block; }

@media (max-width: 768px) {
    .desktop-nav { display: none !important; }
    .mobile-toggle { display: flex !important; }
}

@media (min-width: 769px) {
    .mobile-toggle { display: none !important; }
}