/* ═══════════════════════════════════════════════════════════════
   MARAUDER WEB UI — Design System
   Premium Cyberpunk / Glassmorphic Dark Theme
   ═══════════════════════════════════════════════════════════════ */

/* ── Design Tokens ── */
:root {
    /* Surfaces */
    --bg-obsidian: #06060a;
    --bg-deep: #08080e;
    --surface-dark: rgba(14, 14, 22, 0.85);
    --surface-mid: rgba(20, 20, 32, 0.8);
    --surface-light: rgba(28, 28, 42, 0.75);
    --surface-hover: rgba(38, 38, 56, 0.8);
    --surface-glass: rgba(16, 16, 28, 0.6);

    /* Borders */
    --border: rgba(255, 255, 255, 0.06);
    --border-subtle: rgba(255, 255, 255, 0.04);
    --border-glow: rgba(255, 255, 255, 0.1);

    /* Text */
    --text-primary: #eaeaf0;
    --text-secondary: #6e7280;
    --text-muted: #4a4e5a;

    /* Accents */
    --accent-cyan: #00e5ff;
    --accent-cyan-dim: rgba(0, 229, 255, 0.15);
    --accent-cyan-glow: rgba(0, 229, 255, 0.25);
    --accent-purple: #b44dff;
    --accent-purple-dim: rgba(180, 77, 255, 0.15);
    --accent-purple-glow: rgba(180, 77, 255, 0.25);
    --accent-green: #00ff88;
    --accent-green-dim: rgba(0, 255, 136, 0.12);
    --accent-green-glow: rgba(0, 255, 136, 0.2);
    --accent-red: #ff3b5c;
    --accent-red-dim: rgba(255, 59, 92, 0.12);
    --accent-red-glow: rgba(255, 59, 92, 0.2);
    --accent-orange: #ff9500;
    --accent-orange-dim: rgba(255, 149, 0, 0.12);
    --accent-orange-glow: rgba(255, 149, 0, 0.2);
    --accent-yellow: #ffd60a;

    /* Spacing */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;

    /* Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-pill: 100px;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
    --shadow-md: 0 8px 24px rgba(0,0,0,0.4);
    --shadow-lg: 0 16px 48px rgba(0,0,0,0.5);
    --shadow-glow-cyan: 0 0 20px rgba(0, 229, 255, 0.15), 0 0 60px rgba(0, 229, 255, 0.05);
    --shadow-glow-purple: 0 0 20px rgba(180, 77, 255, 0.15), 0 0 60px rgba(180, 77, 255, 0.05);
    --shadow-glow-red: 0 0 20px rgba(255, 59, 92, 0.15), 0 0 60px rgba(255, 59, 92, 0.05);

    /* Transitions */
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
    --transition-fast: 0.15s var(--ease-out);
    --transition-normal: 0.3s var(--ease-out);
    --transition-slow: 0.5s var(--ease-out);

    /* Z-layers */
    --z-base: 1;
    --z-dropdown: 50;
    --z-navbar: 100;
    --z-modal: 200;
    --z-toast: 300;
}

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

/* ── Typography ── */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--bg-obsidian);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    padding-top: 100px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ── Animated Background ── */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    z-index: -2;
    background:
        radial-gradient(ellipse 80% 60% at 20% 10%, rgba(0, 229, 255, 0.06), transparent 50%),
        radial-gradient(ellipse 60% 50% at 80% 90%, rgba(180, 77, 255, 0.06), transparent 50%),
        radial-gradient(ellipse 50% 40% at 50% 50%, rgba(255, 59, 92, 0.03), transparent 50%);
    animation: bgPulse 12s ease-in-out infinite alternate;
}

body::after {
    content: '';
    position: fixed;
    inset: 0;
    z-index: -1;
    background-image:
        linear-gradient(rgba(255,255,255,0.018) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.018) 1px, transparent 1px);
    background-size: 40px 40px;
    mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, black 20%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, black 20%, transparent 70%);
}

@keyframes bgPulse {
    0%   { opacity: 1; }
    50%  { opacity: 0.7; }
    100% { opacity: 1; }
}

/* ── Navbar ── */
.navbar {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 6px;
    padding: 5px 6px;
    background: var(--surface-glass);
    backdrop-filter: blur(24px) saturate(1.5);
    -webkit-backdrop-filter: blur(24px) saturate(1.5);
    border: 1px solid var(--border);
    border-radius: var(--radius-pill);
    z-index: var(--z-navbar);
    box-shadow: var(--shadow-md), 0 0 0 1px rgba(255,255,255,0.03) inset;
}

.nav-link {
    padding: 9px 26px;
    border-radius: var(--radius-pill);
    text-decoration: none;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--text-secondary);
    transition: var(--transition-normal);
    letter-spacing: 0.02em;
    position: relative;
}

.nav-link:hover {
    color: var(--text-primary);
    background: rgba(255,255,255,0.04);
}

.nav-link.active {
    background: linear-gradient(135deg, var(--accent-cyan-dim), rgba(180, 77, 255, 0.08));
    color: var(--accent-cyan);
    border: 1px solid rgba(0, 229, 255, 0.15);
    box-shadow: var(--shadow-glow-cyan);
}

/* ── Keyframe Animations ── */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(16px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-12px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes slideIn {
    from { opacity: 0; transform: translateX(-12px); }
    to   { opacity: 1; transform: translateX(0); }
}

@keyframes scaleIn {
    from { opacity: 0; transform: scale(0.95); }
    to   { opacity: 1; transform: scale(1); }
}

@keyframes glowPulse {
    0%, 100% { opacity: 0.5; }
    50%      { opacity: 1; }
}

@keyframes ripple {
    0%   { transform: scale(1); opacity: 0.5; }
    100% { transform: scale(2.5); opacity: 0; }
}

@keyframes shimmer {
    0%   { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

@keyframes slideToastIn {
    from { transform: translateX(120%); opacity: 0; }
    to   { transform: translateX(0); opacity: 1; }
}

@keyframes slideToastOut {
    from { transform: translateX(0); opacity: 1; }
    to   { transform: translateX(120%); opacity: 0; }
}

@keyframes modalIn {
    from { opacity: 0; transform: scale(0.92) translateY(12px); }
    to   { opacity: 1; transform: scale(1) translateY(0); }
}

@keyframes overlayIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

/* ── Custom Scrollbar ── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.08);
    border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(255,255,255,0.15);
}

/* ── Selection ── */
::selection {
    background: var(--accent-cyan-dim);
    color: var(--accent-cyan);
}

/* ── Utility Classes ── */
.sr-only {
    position: absolute; width: 1px; height: 1px;
    padding: 0; margin: -1px; overflow: hidden;
    clip: rect(0,0,0,0); border: 0;
}