/* ═══════════════════════════════════════════════════════════════
   A147 DESIGN SYSTEM — "Viper Terminal"
   Unified tokens, typography, components, and utilities.
   Single source of truth for all A147 pages.
   ═══════════════════════════════════════════════════════════════ */

/* ── DESIGN TOKENS ─────────────────────────────────────────── */
:root {
  /* Backgrounds (layered depth) */
  --bg-0: #06080c;
  --bg-1: #0a0e16;
  --bg-2: #0f1520;
  --bg-3: #161d2c;
  --bg-card: rgba(10, 16, 28, 0.85);
  --bg-input: rgba(6, 10, 20, 0.95);
  --bg-overlay: rgba(4, 6, 12, 0.92);

  /* Primary Accent (cyan — brand identity) */
  --accent: #00d4ff;
  --accent-dim: #0088bb;
  --accent-glow: rgba(0, 212, 255, 0.6);
  --accent-subtle: rgba(0, 180, 255, 0.08);
  --accent-gradient: linear-gradient(135deg, #00d4ff, #0088bb);

  /* Semantic Colors */
  --green: #00d26a;
  --green-glow: rgba(0, 210, 106, 0.4);
  --green-bg: rgba(0, 210, 106, 0.08);
  --red: #ff4466;
  --red-glow: rgba(255, 68, 102, 0.4);
  --red-bg: rgba(255, 68, 102, 0.08);
  --yellow: #ffb800;
  --yellow-bg: rgba(255, 184, 0, 0.08);
  --purple: #a855f7;
  --purple-bg: rgba(168, 85, 247, 0.08);

  /* Text Hierarchy */
  --text-1: #e8f0ff;
  --text-2: #a0b8d0;
  --text-3: #5a7090;
  --text-muted: rgba(120, 160, 200, 0.4);

  /* Borders */
  --border-1: rgba(0, 140, 200, 0.10);
  --border-2: rgba(0, 180, 255, 0.20);
  --border-focus: rgba(0, 212, 255, 0.45);

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 20px rgba(0, 180, 255, 0.15);
  --shadow-glow-strong: 0 0 30px rgba(0, 180, 255, 0.3);

  /* Spacing Scale */
  --sp-1: 4px;
  --sp-2: 8px;
  --sp-3: 12px;
  --sp-4: 16px;
  --sp-5: 24px;
  --sp-6: 32px;
  --sp-7: 48px;
  --sp-8: 64px;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 9999px;

  /* Typography */
  --font-display: 'Orbitron', monospace;
  --font-mono: 'Share Tech Mono', 'SF Mono', 'Fira Code', monospace;
  --font-body: 'Inter', -apple-system, sans-serif;

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 0.15s var(--ease-out);
  --transition-base: 0.25s var(--ease-out);
  --transition-slow: 0.4s var(--ease-out);
}


/* ── RESET ─────────────────────────────────────────────────── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }


/* ── TYPOGRAPHY SCALE ──────────────────────────────────────── */
.ds-display-xl {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 900;
  letter-spacing: 2px;
  line-height: 1.1;
  color: var(--text-1);
}
.ds-display-lg {
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 40px);
  font-weight: 700;
  letter-spacing: 2px;
  line-height: 1.2;
  color: var(--text-1);
}
.ds-heading {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--text-1);
}
.ds-subheading {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 4px;
  color: var(--text-3);
  text-transform: uppercase;
}
.ds-label {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 3px;
  color: var(--text-muted);
  text-transform: uppercase;
}
.ds-body {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-2);
}
.ds-code {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-2);
}
.ds-stat-value {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  color: var(--text-1);
}
.ds-stat-label {
  font-family: var(--font-mono);
  font-size: 8px;
  letter-spacing: 3px;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-top: var(--sp-1);
}

/* Color variants */
.ds-accent { color: var(--accent); }
.ds-green { color: var(--green); }
.ds-red { color: var(--red); }
.ds-yellow { color: var(--yellow); }
.ds-purple { color: var(--purple); }
.ds-muted { color: var(--text-muted); }


/* ── BUTTONS ───────────────────────────────────────────────── */
.ds-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 10px 18px;
  border: 1px solid var(--border-2);
  background: transparent;
  color: var(--accent);
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
  text-decoration: none;
  border-radius: var(--radius-sm);
}
.ds-btn:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-glow);
  color: var(--text-1);
}
.ds-btn:active { transform: scale(0.97); }
.ds-btn:disabled, .ds-btn[disabled] {
  opacity: 0.35;
  cursor: not-allowed;
  pointer-events: none;
}

/* Primary — gradient fill */
.ds-btn-primary {
  background: var(--accent-gradient);
  border: none;
  color: var(--bg-0);
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 10px;
  letter-spacing: 3px;
  padding: 13px 28px;
  border-radius: var(--radius-sm);
}
.ds-btn-primary:hover {
  box-shadow: var(--shadow-glow-strong);
  color: var(--bg-0);
}

/* Ghost — minimal */
.ds-btn-ghost {
  border-color: var(--border-1);
  color: var(--text-2);
}
.ds-btn-ghost:hover {
  border-color: var(--border-2);
  color: var(--accent);
  background: var(--accent-subtle);
}

/* Danger */
.ds-btn-danger {
  border-color: rgba(255, 80, 80, 0.25);
  color: rgba(255, 100, 100, 0.6);
}
.ds-btn-danger:hover {
  border-color: var(--red);
  color: var(--red);
  box-shadow: 0 0 12px var(--red-glow);
}

/* Green */
.ds-btn-green {
  background: var(--green);
  border: none;
  color: var(--bg-0);
  font-weight: 700;
}
.ds-btn-green:hover {
  box-shadow: 0 0 20px var(--green-glow);
  color: var(--bg-0);
}

/* Size variants */
.ds-btn-sm { padding: 6px 12px; font-size: 8px; }
.ds-btn-lg { padding: 14px 32px; font-size: 11px; }


/* ── CARDS ─────────────────────────────────────────────────── */
.ds-card {
  background: var(--bg-card);
  border: 1px solid var(--border-1);
  padding: var(--sp-5);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-base);
}
.ds-card:hover { border-color: var(--border-2); }
.ds-card-title {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 3px;
  color: var(--text-3);
  text-transform: uppercase;
  margin-bottom: var(--sp-3);
}
.ds-card-value {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--text-1);
}

/* Card active state */
.ds-card-active {
  border-color: rgba(0, 212, 255, 0.3);
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.06);
}
.ds-card-success {
  border-color: rgba(0, 210, 106, 0.3);
  box-shadow: 0 0 20px rgba(0, 210, 106, 0.06);
}
.ds-card-danger {
  border-color: rgba(255, 68, 102, 0.3);
  box-shadow: 0 0 20px rgba(255, 68, 102, 0.06);
}


/* ── INPUTS ────────────────────────────────────────────────── */
.ds-input {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border-1);
  padding: 9px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-1);
  outline: none;
  transition: border-color var(--transition-fast);
  border-radius: var(--radius-sm);
}
.ds-input:focus { border-color: var(--border-focus); }
.ds-input::placeholder { color: var(--text-muted); font-style: italic; }

.ds-select {
  background: var(--bg-input);
  border: 1px solid var(--border-1);
  padding: 9px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-1);
  outline: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
}
.ds-select:focus { border-color: var(--border-focus); }

.ds-field-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 2px;
  color: var(--text-3);
  text-transform: uppercase;
  margin-bottom: 6px;
}


/* ── TABLES ────────────────────────────────────────────────── */
.ds-table {
  width: 100%;
  border-collapse: collapse;
}
.ds-table th {
  font-family: var(--font-mono);
  font-size: 8px;
  letter-spacing: 3px;
  color: var(--text-muted);
  text-transform: uppercase;
  text-align: left;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border-1);
}
.ds-table td {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-2);
  padding: 10px 12px;
  border-bottom: 1px solid rgba(0, 140, 200, 0.05);
}
.ds-table tr:hover td { background: rgba(0, 140, 200, 0.03); }
.ds-table .ds-addr {
  font-size: 10px;
  color: var(--text-3);
  word-break: break-all;
}


/* ── BADGES & TAGS ─────────────────────────────────────────── */
.ds-badge {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 8px;
  letter-spacing: 1.5px;
  padding: 3px 10px;
  border: 1px solid;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
}
.ds-badge-ok { color: var(--green); border-color: rgba(0, 210, 106, 0.3); background: var(--green-bg); }
.ds-badge-warn { color: var(--yellow); border-color: rgba(255, 184, 0, 0.3); background: var(--yellow-bg); }
.ds-badge-err { color: var(--red); border-color: rgba(255, 68, 102, 0.3); background: var(--red-bg); }
.ds-badge-info { color: var(--accent); border-color: rgba(0, 180, 255, 0.3); background: var(--accent-subtle); }
.ds-badge-muted { color: var(--text-3); border-color: rgba(100, 140, 180, 0.15); }

.ds-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
}
.ds-tag-buy { background: var(--green-bg); color: var(--green); }
.ds-tag-sell { background: var(--red-bg); color: var(--red); }
.ds-tag-dry { background: var(--purple-bg); color: var(--purple); }
.ds-tag-live { background: var(--green-bg); color: var(--green); }


/* ── DOT INDICATORS ────────────────────────────────────────── */
.ds-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}
.ds-dot-on { background: var(--green); box-shadow: 0 0 8px var(--green-glow); }
.ds-dot-off { background: var(--red); }
.ds-dot-warn { background: var(--yellow); box-shadow: 0 0 8px rgba(255, 184, 0, 0.4); }
.ds-dot-pulse { animation: ds-pulse 2s ease-in-out infinite; }


/* ── LAYOUT UTILITIES ──────────────────────────────────────── */
.ds-grid { display: grid; gap: var(--sp-4); }
.ds-grid-2 { grid-template-columns: 1fr 1fr; }
.ds-grid-3 { grid-template-columns: 1fr 1fr 1fr; }
.ds-grid-4 { grid-template-columns: 1fr 1fr 1fr 1fr; }
.ds-grid-auto { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.ds-flex { display: flex; }
.ds-flex-center { display: flex; align-items: center; justify-content: center; }
.ds-flex-between { display: flex; align-items: center; justify-content: space-between; }
.ds-flex-col { display: flex; flex-direction: column; }
.ds-gap-1 { gap: var(--sp-1); }
.ds-gap-2 { gap: var(--sp-2); }
.ds-gap-3 { gap: var(--sp-3); }
.ds-gap-4 { gap: var(--sp-4); }
.ds-gap-5 { gap: var(--sp-5); }


/* ── SECTION COMPONENTS ────────────────────────────────────── */
.ds-section-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 5px;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: var(--sp-3);
  display: flex;
  align-items: center;
  gap: 12px;
}
.ds-section-label::before {
  content: '';
  flex: 0 0 32px;
  height: 1px;
  background: var(--accent);
  opacity: 0.4;
}
.ds-section-title {
  font-family: var(--font-display);
  font-size: clamp(24px, 3.5vw, 40px);
  font-weight: 700;
  color: var(--text-1);
  letter-spacing: 2px;
  margin-bottom: var(--sp-4);
}
.ds-section-title span { color: var(--accent); }
.ds-section-sub {
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--text-2);
  max-width: 560px;
  line-height: 1.7;
  margin-bottom: var(--sp-8);
}

.ds-divider {
  height: 1px;
  background: linear-gradient(to right, transparent, var(--border-2), transparent);
}


/* ── TOAST NOTIFICATION ────────────────────────────────────── */
.ds-toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--bg-overlay);
  border: 1px solid var(--border-2);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 2px;
  padding: 12px 22px;
  border-radius: var(--radius-md);
  opacity: 0;
  transform: translateY(10px);
  transition: all var(--transition-base);
  pointer-events: none;
  z-index: 9999;
  backdrop-filter: blur(12px);
}
.ds-toast.show {
  opacity: 1;
  transform: translateY(0);
}
.ds-toast-success { border-color: rgba(0, 210, 106, 0.3); color: var(--green); }
.ds-toast-error { border-color: rgba(255, 68, 102, 0.3); color: var(--red); }


/* ── SCANLINES OVERLAY ─────────────────────────────────────── */
.ds-scanlines::after {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background: repeating-linear-gradient(
    0deg, transparent, transparent 3px,
    rgba(0, 30, 80, 0.04) 3px,
    rgba(0, 30, 80, 0.04) 4px
  );
}


/* ── SCROLLBAR ─────────────────────────────────────────────── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(0, 140, 200, 0.15); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: rgba(0, 180, 255, 0.25); }


/* ── ANIMATIONS ────────────────────────────────────────────── */
@keyframes ds-fade-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}
@keyframes ds-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
@keyframes ds-glow {
  0%, 100% { box-shadow: 0 0 8px var(--accent-glow); }
  50% { box-shadow: 0 0 20px var(--accent-glow), 0 0 40px rgba(0, 120, 200, 0.15); }
}
@keyframes ds-logo-glow {
  0%, 100% { text-shadow: 0 0 20px var(--accent-glow), 0 0 50px rgba(0, 140, 200, 0.3); }
  50% { text-shadow: 0 0 30px var(--accent-glow), 0 0 80px rgba(0, 140, 200, 0.4); }
}
@keyframes ds-bounce {
  0%, 60%, 100% { transform: translateY(0); }
  30% { transform: translateY(-3px); }
}
@keyframes ds-spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }

.ds-animate-in { animation: ds-fade-in 0.3s var(--ease-out) forwards; }

/* Scroll reveal */
.ds-reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}
.ds-reveal.visible {
  opacity: 1;
  transform: none;
}


/* ── RESPONSIVE ────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .ds-grid-4 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .ds-grid-2, .ds-grid-3, .ds-grid-4 { grid-template-columns: 1fr; }
  .ds-grid-auto { grid-template-columns: 1fr; }
}