GMW/services/frontend/src/app/globals.css

@import "tailwindcss";

@custom-variant dark (&:is(.dark *));

/*
 * GMW — Command Center Tactical HUD Design System
 * Engineered for high precision in both DARK and LIGHT modes.
 * Uses semantic CSS variables for seamless theme switching, eliminating hardcoded hex clashes.
 */

:root {
  /* ── Light Mode Base Palette (Crisp High-Contrast Titanium HUD) ── */
  --canvas-base: #f0f2f5;
  --canvas-subtle: #e5e8ed;
  --panel-bg: rgba(255, 255, 255, 0.85);
  --panel-bg-subtle: rgba(255, 255, 255, 0.6);
  --panel-border: rgba(15, 23, 42, 0.08);
  --panel-border-hover: rgba(94, 106, 210, 0.35);

  --text-primary: #0f172a;
  --text-secondary: #334155;
  --text-muted: #64748b;
  --text-faint: #94a3b8;

  --accent-brand: #4f46e5;
  --accent-signal: #6366f1;
  --accent-signal-bg: rgba(99, 102, 241, 0.1);
  --accent-signal-border: rgba(99, 102, 241, 0.25);
  --accent-signal-glow: rgba(99, 102, 241, 0.25);

  --color-success: #059669;
  --color-success-bg: rgba(5, 150, 105, 0.1);
  --color-warning: #d97706;
  --color-warning-bg: rgba(217, 119, 6, 0.1);
  --color-danger: #e11d48;
  --color-danger-bg: rgba(225, 29, 72, 0.1);

  --grid-pattern: rgba(15, 23, 42, 0.035);
  --shadow-hud: 0 4px 20px -2px rgba(15, 23, 42, 0.06), 0 0 0 1px rgba(15, 23, 42, 0.05);
}

.dark {
  /* ── Dark Mode Base Palette (Stealth Obsidian Tactical HUD) ── */
  --canvas-base: #060709;
  --canvas-subtle: #0c0e12;
  --panel-bg: rgba(13, 16, 23, 0.75);
  --panel-bg-subtle: rgba(255, 255, 255, 0.03);
  --panel-border: rgba(255, 255, 255, 0.07);
  --panel-border-hover: rgba(113, 112, 255, 0.45);

  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --text-faint: #475569;

  --accent-brand: #5e6ad2;
  --accent-signal: #7170ff;
  --accent-signal-bg: rgba(113, 112, 255, 0.12);
  --accent-signal-border: rgba(113, 112, 255, 0.3);
  --accent-signal-glow: rgba(113, 112, 255, 0.35);

  --color-success: #10b981;
  --color-success-bg: rgba(16, 185, 129, 0.12);
  --color-warning: #f59e0b;
  --color-warning-bg: rgba(245, 158, 11, 0.12);
  --color-danger: #f43f5e;
  --color-danger-bg: rgba(244, 63, 94, 0.15);

  --grid-pattern: rgba(255, 255, 255, 0.025);
  --shadow-hud: 0 8px 32px -4px rgba(0, 0, 0, 0.8), 0 0 0 1px rgba(255, 255, 255, 0.06);
}

@theme {
  --color-canvas: var(--canvas-base);
  --color-canvas-2: var(--canvas-subtle);
  --color-surface: var(--panel-bg);
  --color-surface-2: var(--panel-bg-subtle);
  --color-hairline: var(--panel-border);
  --color-hairline-focus: var(--panel-border-hover);

  --color-ink: var(--text-primary);
  --color-ink-soft: var(--text-secondary);
  --color-ink-muted: var(--text-muted);
  --color-ink-faint: var(--text-faint);

  --color-brand: var(--accent-brand);
  --color-brand-accent: var(--accent-signal);
  --color-signal: var(--accent-signal);
  --color-signal-glow: var(--accent-signal-glow);

  --color-status-success: var(--color-success);
  --color-amber: var(--color-warning);
  --color-vermilion: var(--color-danger);

  --font-sans: var(--font-inter), -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: var(--font-jetbrains-mono), ui-monospace, SFMono-Regular, Menlo, monospace;
  --font-display: var(--font-display), var(--font-inter), sans-serif;

  --radius-r: 8px;
  --radius-r-panel: 10px;
  --radius-r-control: 6px;
  --radius-r-pill: 9999px;
}

@layer base {
  * {
    border-color: var(--panel-border);
  }

  html {
    @apply font-sans antialiased scroll-smooth;
    background-color: var(--canvas-base);
    color: var(--text-primary);
  }

  body {
    min-height: 100dvh;
    background-color: var(--canvas-base);
    color: var(--text-primary);
    background-image: 
      linear-gradient(to right, var(--grid-pattern) 1px, transparent 1px),
      linear-gradient(to bottom, var(--grid-pattern) 1px, transparent 1px);
    background-size: 32px 32px;
  }

  ::selection {
    background: var(--accent-signal-bg);
    color: var(--accent-signal);
  }

  ::-webkit-scrollbar {
    width: 6px;
    height: 6px;
  }
  ::-webkit-scrollbar-track {
    background: transparent;
  }
  ::-webkit-scrollbar-thumb {
    background: var(--text-faint);
    opacity: 0.4;
    border-radius: 9999px;
  }
  ::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
  }

  :focus-visible {
    outline: 2px solid var(--accent-signal);
    outline-offset: 2px;
  }
}

@layer components {
  /* Tactical HUD Glass Panel */
  .glass {
    background: var(--panel-bg);
    border: 1px solid var(--panel-border);
    border-radius: var(--radius-r-panel);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: var(--shadow-hud);
    transition: border-color 0.2s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.2s ease;
  }

  .glass:hover {
    border-color: var(--panel-border-hover);
  }

  /* HUD Tactical Card */
  .hud-card {
    position: relative;
    background: var(--panel-bg);
    border: 1px solid var(--panel-border);
    border-radius: var(--radius-r-panel);
    backdrop-filter: blur(12px);
    box-shadow: var(--shadow-hud);
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  }

  .hud-card:hover {
    border-color: var(--panel-border-hover);
    transform: translateY(-1px);
  }

  .eyebrow {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-muted);
  }

  .pill {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.18rem 0.55rem;
    border-radius: var(--radius-r-pill);
    font-size: 0.7rem;
    font-family: var(--font-mono);
    font-weight: 500;
    background: var(--panel-bg-subtle);
    border: 1px solid var(--panel-border);
    color: var(--text-secondary);
  }

  .mono {
    font-family: var(--font-mono);
    font-variant-numeric: tabular-nums;
  }

  .display {
    font-family: var(--font-display);
    font-weight: 700;
    letter-spacing: -0.035em;
    line-height: 1.1;
  }
}

@layer utilities {
  .text-signal { color: var(--accent-signal); }
  .text-brand { color: var(--accent-brand); }
  .text-amber { color: var(--color-warning); }
  .text-vermilion { color: var(--color-danger); }
  .text-success { color: var(--color-success); }
  .text-ink { color: var(--text-primary); }
  .text-ink-soft { color: var(--text-secondary); }
  .text-ink-muted { color: var(--text-muted); }
  .text-ink-faint { color: var(--text-faint); }

  .bg-canvas { background-color: var(--canvas-base); }
  .bg-surface { background-color: var(--panel-bg); }
  .bg-surface-2 { background-color: var(--panel-bg-subtle); }
  .border-hairline { border-color: var(--panel-border); }

  .glow-signal {
    text-shadow: 0 0 16px var(--accent-signal-glow);
  }
}

/* ═══ Keyframes & Animations ═══ */
@keyframes breathe {
  0%, 100% { opacity: 0.4; transform: scale(0.95); }
  50% { opacity: 1; transform: scale(1.05); }
}

@keyframes spin-disc {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes pulse-ring {
  0% { transform: scale(0.85); opacity: 0.9; }
  100% { transform: scale(2.2); opacity: 0; }
}

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

@keyframes eq {
  0%, 100% { transform: scaleY(0.35); }
  50% { transform: scaleY(1); }
}

@keyframes fade-up {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes toast-in {
  from { opacity: 0; transform: translateY(8px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes scan {
  0% { transform: translateY(-100%); }
  100% { transform: translateY(100%); }
}

.animate-breathe { animation: breathe 2.5s ease-in-out infinite; }
.animate-spin-disc { animation: spin-disc 10s linear infinite; }
.animate-pulse-ring { animation: pulse-ring 2s cubic-bezier(0.16, 1, 0.3, 1) infinite; }

/* Skeleton shimmer — theme-aware base + moving highlight sheen. */
.animate-shimmer {
  background-color: var(--panel-bg-subtle);
  background-image: linear-gradient(
    105deg,
    transparent 40%,
    color-mix(in oklab, var(--text-primary) 6%, transparent) 50%,
    transparent 60%
  );
  background-size: 200% 100%;
  animation: shimmer 1.6s ease-in-out infinite;
}

/* Live equalizer bars (mini-player / recording player). */
.animate-eq {
  transform-origin: bottom;
  animation: eq 0.9s ease-in-out infinite;
}

/* Entrance for popovers, toasts, mini-player. */
.animate-fade-up { animation: fade-up 0.18s cubic-bezier(0.16, 1, 0.3, 1); }
.animate-toast-in { animation: toast-in 0.2s cubic-bezier(0.16, 1, 0.3, 1); }

/* Sweeping glow line across a hero/placeholder panel. */
.scan-line {
  position: absolute;
  inset: 0;
  height: 100%;
  pointer-events: none;
  background: linear-gradient(
    180deg,
    transparent,
    var(--accent-signal-glow),
    transparent
  );
  opacity: 0.5;
  animation: scan 2.6s ease-in-out infinite;
}

/* Mobile nav hover/active sweep fill. */
.game-sweep {
  position: absolute;
  inset: 0;
  overflow: hidden;
  border-radius: inherit;
  pointer-events: none;
}

.game-sweep i {
  position: absolute;
  inset: 0;
  background: var(--accent-signal-bg);
  transform: translateY(100%);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.game-nav-item.is-active .game-sweep i,
.game-nav-item:hover .game-sweep i {
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .animate-breathe,
  .animate-spin-disc,
  .animate-pulse-ring,
  .animate-shimmer,
  .animate-eq,
  .animate-fade-up,
  .animate-toast-in,
  .scan-line {
    animation: none !important;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}