/* ═══════════════════════════════════════════════════════════
   CA$H.BOT Design System — Premium Dark SaaS
   ═══════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

/* ── Tokens ─────────────────────────────────────────────── */
:root {
  /* Backgrounds */
  --bg: #0c0d12;
  --bg-secondary: #111318;
  --bg-tertiary: #181b23;
  --bg-elevated: #1c1f29;

  /* Borders */
  --border: rgba(255,255,255,0.06);
  --border-mid: rgba(255,255,255,0.1);

  /* Text */
  --text: #e8eaf0;
  --text-muted: #6b7a90;
  --text-secondary: #8892a4;

  /* Accent */
  --accent: #00d97e;
  --accent-hover: #00f090;
  --accent-dim: rgba(0,217,126,0.08);
  --accent-glow: rgba(0,217,126,0.20);

  /* Semantic */
  --green: #00d97e;
  --red: #f05252;
  --orange: #f6a623;
  --purple: #818cf8;
  --gold: #ffd700;

  /* Typography */
  --font: 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', 'JetBrains Mono', monospace;

  /* Spacing (4px scale) */
  --sp-1: 4px;
  --sp-2: 8px;
  --sp-3: 12px;
  --sp-4: 16px;
  --sp-5: 20px;
  --sp-6: 24px;
  --sp-8: 32px;
  --sp-10: 40px;
  --sp-12: 48px;
  --sp-16: 64px;

  /* Radius */
  --radius: 10px;
  --radius-sm: 6px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.3);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.4);
  --shadow-xl: 0 16px 50px rgba(0,0,0,0.5);
  --shadow-accent: 0 0 20px rgba(0,217,126,0.15);

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.45, 0, 0.55, 1);
  --duration-fast: 150ms;
  --duration-normal: 250ms;
  --duration-slow: 400ms;
}

/* ── Light Theme ────────────────────────────────────────── */
:root[data-theme="light"] {
  --bg: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-tertiary: #f1f5f9;
  --bg-elevated: #ffffff;
  --border: #e2e8f0;
  --border-mid: #cbd5e1;
  --text: #0f172a;
  --text-muted: #64748b;
  --text-secondary: #475569;
  --accent: #059669;
  --accent-hover: #047857;
  --accent-dim: rgba(5,150,105,0.08);
  --accent-glow: rgba(5,150,105,0.15);
  --green: #059669;
  --red: #dc2626;
  --orange: #d97706;
  --purple: #6366f1;
}

/* ── Reset ──────────────────────────────────────────────── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a { color: var(--accent); text-decoration: none; }

/* Scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.08); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.14); }

/* ── Page Background ────────────────────────────────────── */
.page-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse at 20% 0%, rgba(0,217,126,0.04) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 100%, rgba(129,140,248,0.03) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 50%, rgba(0,217,126,0.01) 0%, transparent 70%),
    var(--bg);
}

/* ── Cards ──────────────────────────────────────────────── */
.card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--sp-6);
  transition: border-color var(--duration-normal) var(--ease-out),
              box-shadow var(--duration-normal) var(--ease-out);
}
.card:hover {
  border-color: var(--border-mid);
}

.card--glass {
  background: rgba(255,255,255,0.03);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: var(--sp-6);
}

/* ── Top Nav Bar ───────────────────────────────────────── */
.cb-topnav {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
  padding: var(--sp-2) var(--sp-6);
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1000;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.cb-topnav a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 500;
  border-radius: var(--radius-sm);
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--duration-fast), background var(--duration-fast);
}
.cb-topnav a:hover {
  color: var(--text);
  background: rgba(255,255,255,0.04);
}
.cb-topnav a.active {
  color: var(--accent);
  background: var(--accent-dim);
}
.cb-topnav .nav-logo {
  font-weight: 800;
  font-size: 14px;
  color: var(--accent);
  margin-right: var(--sp-4);
  letter-spacing: -0.5px;
}

/* ── Buttons ────────────────────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-6);
  background: var(--accent);
  color: #000;
  font-family: var(--font);
  font-weight: 600;
  font-size: 14px;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out);
}
.btn-primary:hover {
  background: var(--accent-hover);
  box-shadow: var(--shadow-accent);
  transform: translateY(-1px);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-6);
  background: var(--bg-tertiary);
  color: var(--text);
  font-family: var(--font);
  font-weight: 500;
  font-size: 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out);
}
.btn-secondary:hover {
  background: var(--bg-elevated);
  border-color: var(--border-mid);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-6);
  background: transparent;
  color: var(--text-muted);
  font-family: var(--font);
  font-weight: 500;
  font-size: 14px;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out);
}
.btn-ghost:hover {
  color: var(--text);
  background: rgba(255,255,255,0.04);
}

/* ── Inputs ─────────────────────────────────────────────── */
.input {
  width: 100%;
  padding: var(--sp-3) var(--sp-4);
  background: var(--bg-tertiary);
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  outline: none;
  transition: border-color var(--duration-fast) var(--ease-out);
}
.input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}
.input::placeholder { color: var(--text-muted); }

/* ── Badges ─────────────────────────────────────────────── */
.badge { display: inline-flex; align-items: center; padding: 2px 8px; border-radius: var(--radius-full); font-size: 11px; font-weight: 600; letter-spacing: 0.02em; }
.badge-green { background: rgba(0,217,126,0.12); color: var(--green); }
.badge-red { background: rgba(240,82,82,0.12); color: var(--red); }
.badge-orange { background: rgba(246,166,35,0.12); color: var(--orange); }
.badge-purple { background: rgba(129,140,248,0.12); color: var(--purple); }

/* ── Stat Card ──────────────────────────────────────────── */
.stat-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--sp-5) var(--sp-6);
}
.stat-card .stat-label { font-size: 12px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: var(--sp-1); }
.stat-card .stat-value { font-size: 28px; font-weight: 700; font-family: var(--font-mono); color: var(--text); }

/* ── App Nav (frosted glass) ────────────────────────────── */
.app-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-4) var(--sp-6);
  background: rgba(12,13,18,0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}
:root[data-theme="light"] .app-nav {
  background: rgba(255,255,255,0.8);
}
.app-nav .nav-logo {
  font-size: 18px;
  font-weight: 800;
  color: var(--text);
  cursor: pointer;
  letter-spacing: -0.02em;
}
.app-nav .nav-logo span { color: var(--accent); }
.app-nav .nav-links { display: flex; gap: var(--sp-1); }
.app-nav .nav-link {
  padding: var(--sp-2) var(--sp-3);
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: all var(--duration-fast) var(--ease-out);
}
.app-nav .nav-link:hover { color: var(--text); background: rgba(255,255,255,0.04); }
.app-nav .nav-link.active { color: var(--accent); background: var(--accent-dim); }

/* ── Skeleton Loader ────────────────────────────────────── */
.skeleton {
  background: linear-gradient(90deg, var(--bg-tertiary) 25%, var(--bg-elevated) 50%, var(--bg-tertiary) 75%);
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.5s ease-in-out infinite;
  border-radius: var(--radius-sm);
}
@keyframes skeleton-shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ── Animations ─────────────────────────────────────────── */
.fade-in {
  animation: fadeIn var(--duration-normal) var(--ease-out) both;
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.slide-up {
  animation: slideUp var(--duration-slow) var(--ease-out) both;
}
@keyframes slideUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}