/* ═══════════════════════════════════════════════════════════════
   DBG Theme — Unified Design System (mirrors Main Hub style.css)
   ═══════════════════════════════════════════════════════════════ */

:root {
  --bg-deep: #05070a;
  --bg-obsidian: #0a0c12;
  --accent-cyan: #00f2ff;
  --accent-blue: #0070ff;
  --accent-glow: rgba(0, 242, 255, 0.15);
  --accent-purple: #a855f7;
  --accent-pink: #ec4899;
  --text-pure: #ffffff;
  --text-muted: #8e96a3;
  --text-dim: #545d6a;
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-bg: rgba(15, 20, 30, 0.6);
  --card-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
  --ease-out-expo: cubic-bezier(0.19, 1, 0.22, 1);
  --transition-fast: all 0.2s var(--ease-out-expo);
  --transition-standard: all 0.5s var(--ease-out-expo);
  --transition-slow: all 1s var(--ease-out-expo);

  --dbg-bg-deep: #05070a;
  --dbg-bg-obsidian: #0a0c12;
  --dbg-bg-surface: #0f1420;
  --dbg-accent-cyan: #00f2ff;
  --dbg-accent-blue: #0070ff;
  --dbg-accent-purple: #a855f7;
  --dbg-accent-pink: #ec4899;
  --dbg-accent-glow: rgba(0, 242, 255, 0.15);
  --dbg-text-pure: #ffffff;
  --dbg-text-primary: #e2e8f0;
  --dbg-text-muted: #8e96a3;
  --dbg-text-dim: #545d6a;
  --dbg-glass-border: rgba(255, 255, 255, 0.08);
  --dbg-glass-bg: rgba(15, 20, 30, 0.6);
  --dbg-card-bg: rgba(10, 12, 18, 0.8);
  --dbg-card-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
  --dbg-success: #10b981;
  --dbg-danger: #ef4444;
  --dbg-warning: #f59e0b;
  --dbg-border-radius: 16px;
  --dbg-border-radius-lg: 24px;
  --dbg-border-radius-xl: 32px;
  --dbg-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --dbg-font: 'Inter', system-ui, -apple-system, sans-serif;
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-deep); }
::-webkit-scrollbar-thumb { background: var(--accent-cyan); border-radius: 10px; }

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

/* Grid background pattern */
.dbg-grid-bg::before {
  content: '';
  position: fixed; top: 0; left: 0;
  width: 100%; height: 100%;
  background-image:
    linear-gradient(rgba(0, 242, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 242, 255, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  z-index: -1;
  pointer-events: none;
}

/* Mouse glow */
.dbg-mouse-glow {
  position: fixed;
  width: 600px; height: 600px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  z-index: -1;
  transform: translate(-50%, -50%);
  filter: blur(80px);
}

/* Glass card */
.dbg-glass {
  background: var(--glass-bg);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
}

/* Base card */
.dbg-card {
  background: var(--dbg-card-bg);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  box-shadow: var(--card-shadow);
  transition: var(--transition-standard);
}
.dbg-card:hover {
  border-color: rgba(0, 242, 255, 0.15);
  transform: translateY(-2px);
}

/* Buttons */
.dbg-btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.75rem 1.5rem; border-radius: 16px;
  font-weight: 600; font-size: 0.875rem; cursor: pointer;
  transition: var(--transition-standard); border: 1px solid transparent;
  text-decoration: none; font-family: 'Inter', system-ui, sans-serif;
}
.dbg-btn-primary {
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  color: #fff; border: none;
}
.dbg-btn-primary:hover { box-shadow: 0 8px 25px rgba(0, 242, 255, 0.3); transform: translateY(-2px); }
.dbg-btn-outline {
  background: transparent; border-color: var(--glass-border); color: var(--text-pure);
}
.dbg-btn-outline:hover { border-color: var(--accent-cyan); background: rgba(0, 242, 255, 0.05); color: var(--accent-cyan); }

/* Badge */
.dbg-badge {
  display: inline-flex; align-items: center; padding: 0.4rem 0.9rem;
  background: rgba(255, 255, 255, 0.03); border: 1px solid var(--glass-border);
  border-radius: 100px; color: var(--accent-cyan);
  font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.12em;
}

/* Input */
.dbg-input {
  width: 100%; padding: 0.8rem 1rem;
  background: rgba(255, 255, 255, 0.03); border: 1px solid var(--glass-border);
  border-radius: 16px; color: var(--text-pure); font-size: 0.875rem;
  font-family: 'Inter', system-ui, sans-serif; outline: none; transition: var(--transition-standard);
}
.dbg-input:focus { border-color: var(--accent-cyan); box-shadow: 0 0 0 3px rgba(0, 242, 255, 0.1); }
.dbg-input::placeholder { color: var(--text-dim); }

/* Typography */
.dbg-title { font-size: clamp(1.5rem, 4vw, 2.5rem); font-weight: 800; letter-spacing: -0.02em; line-height: 1.1; }
.dbg-subtitle { font-size: 1.1rem; color: var(--text-muted); font-weight: 400; }
.dbg-section-title { font-size: clamp(1.25rem, 3vw, 1.75rem); font-weight: 700; letter-spacing: -0.01em; }
.dbg-accent-line { width: 60px; height: 3px; background: linear-gradient(to right, var(--accent-cyan), transparent); margin: 1rem 0; }

/* Layout */
.dbg-container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
.dbg-flex { display: flex; }
.dbg-flex-col { flex-direction: column; }
.dbg-items-center { align-items: center; }
.dbg-justify-between { justify-content: space-between; }
.dbg-gap-1 { gap: 0.5rem; }
.dbg-gap-2 { gap: 1rem; }
.dbg-gap-3 { gap: 1.5rem; }
.dbg-grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.dbg-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.dbg-grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }

/* Spacing */
.dbg-mt-1 { margin-top: 0.5rem; }
.dbg-mt-2 { margin-top: 1rem; }
.dbg-mt-3 { margin-top: 1.5rem; }
.dbg-mb-1 { margin-bottom: 0.5rem; }
.dbg-mb-2 { margin-bottom: 1rem; }
.dbg-mb-3 { margin-bottom: 1.5rem; }

/* Text */
.dbg-text-center { text-align: center; }
.dbg-text-muted { color: var(--text-muted); }
.dbg-text-dim { color: var(--text-dim); }
.dbg-text-cyan { color: var(--accent-cyan); }
.dbg-text-sm { font-size: 0.875rem; }
.dbg-text-xs { font-size: 0.75rem; }
.dbg-font-bold { font-weight: 700; }
.dbg-hidden { display: none !important; }

/* Animations */
@keyframes dbgFadeIn { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }
@keyframes dbgPulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }
.dbg-animate-in { animation: dbgFadeIn 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards; }

/* Responsive */
@media (max-width: 768px) {
  .dbg-grid-2, .dbg-grid-3, .dbg-grid-4 { grid-template-columns: 1fr; }
  .dbg-container { padding: 0 1rem; }
}
@media (max-width: 1024px) { .dbg-grid-4 { grid-template-columns: repeat(2, 1fr); } }