/* ============================================================
   Base Styles & Variables
   ============================================================ */

:root {
    --bg-primary: #050608;
    --bg-secondary: #0a0c14;
    --bg-tertiary: #111420;
    --bg-glass: rgba(13, 15, 24, 0.7);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent: #8b5cf6;
    --accent-glow: rgba(139, 92, 246, 0.5);
    --accent-glow-strong: rgba(139, 92, 246, 0.8);
    --success: #10b981;
    --success-glow: rgba(16, 185, 129, 0.5);
    --warning: #f59e0b;
    --danger: #ef4444;
    --danger-glow: rgba(239, 68, 68, 0.5);
    --border: rgba(255, 255, 255, 0.1);
    --border-hover: rgba(255, 255, 255, 0.2);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Background canvas */
#bg-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

/* Main container */
.app-container {
    position: relative;
    z-index: 1;
    max-width: 1100px;
    margin: 0 auto;
    padding: 1.5rem;
    min-height: 100vh;
}

@media (max-width: 700px) {
    .app-container {
        padding: 1rem;
    }
}

/* Navigation */
.nav-links {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    margin-bottom: 0.5rem;
}

.nav-back {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.8rem;
    transition: color 0.2s;
}

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

.nav-right {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-cta {
    padding: 0.4rem 0.8rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 0.4rem;
    transition: all 0.2s;
    background: var(--accent);
    color: white;
}

.nav-cta:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.nav-cta-alt {
    background: transparent;
    border: 1px solid var(--accent);
    color: var(--accent);
}

.nav-cta-alt:hover {
    background: var(--accent);
    color: white;
    opacity: 1;
}

/* Header */
.app-header {
    text-align: center;
    margin-bottom: 1rem;
}

.app-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 2rem;
    font-weight: 900;
    letter-spacing: 0.15em;
    background: linear-gradient(135deg, var(--accent), #a855f7, var(--success));
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 3s ease infinite;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.app-subtitle {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-top: 0.25rem;
}

.follow-x-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 0.8rem;
    background: transparent;
    border: 1px solid var(--accent);
    border-radius: 0.4rem;
    color: var(--accent);
    font-size: 0.75rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s;
}

.follow-x-link:hover {
    background: var(--accent);
    color: white;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px var(--accent-glow);
}

.follow-x-link .x-icon {
    font-size: 0.9rem;
    font-weight: 700;
}