/* BizOffer Design System — Single Source of Truth
   Import this FIRST on every page. Page-specific sheets layer on top.
   Defines: CSS variables, reset, nav, buttons, grade badges, cards, footer.
*/

/* ── CSS Variables ── */
:root {
  --bg: #0E0F11;
  --surface: #1C1F26;
  --surface-2: #232630;
  --surface-deep: #14161a;

  /* Primary: Electric Blue */
  --primary: #3B82F6;
  --primary-hover: #2563EB;
  --primary-dim: #1D4ED8;
  --primary-glow: rgba(59, 130, 246, 0.3);

  /* Secondary: Electric Cyan */
  --accent: #06B6D4;
  --accent-hover: #0891B2;
  --accent-dim: #0E7490;
  --accent-glow: rgba(6, 182, 212, 0.3);

  /* Legacy aliases for pages still referencing them */
  --bg-base: #0E0F11;
  --bg-panel: #1C1F26;
  --bg-panel-deep: #14161a;
  --fg: #F0F2F5;
  --fg-muted: #8A8F98;
  --fg-dim: #4A4F58;
  --text-primary: #F0F2F5;
  --text-secondary: #8A8F98;
  --text-dim: #4A4F58;
  --border: #2A2D35;
  --border-bright: #3A3D45;
  --success: #22C55E;
  --danger: #EF4444;
  --info: #3B82F6;
  --purple: #8B5CF6;

  /* Legacy aliases (deprecated, use --primary / --accent) */
  --amber: #D4920A;
  --amber-dim: #8a5f06;
  --amber-glow: rgba(212, 146, 10, 0.15);

  --font-mono: 'JetBrains Mono', 'Fira Mono', 'Courier New', monospace;
  --font-body: 'Inter', -apple-system, system-ui, sans-serif;

  --radius: 2px;
  --radius-md: 4px;
}

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

html { font-size: 16px; scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; }

/* ── Shared Navigation ── */
.nav {
  padding: 0 40px;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}
.nav-left { display: flex; align-items: center; gap: 16px; }
.nav-logo {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.nav-tagline {
  font-size: 0.7rem;
  color: var(--fg-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-family: var(--font-mono);
}
.nav-links { display: flex; align-items: center; gap: 20px; }
.nav-link {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-decoration: none;
  transition: color 0.15s;
  color: var(--fg-muted);
}
.nav-link:hover { color: var(--fg); }

/* Nav buttons */
.nav-btn {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 7px 18px;
  border-radius: var(--radius);
  transition: all 0.15s;
  cursor: pointer;
  text-decoration: none;
}
.nav-btn-outline {
  border: 1px solid var(--primary);
  color: var(--primary);
  background: transparent;
}
.nav-btn-outline:hover { background: var(--primary); color: var(--bg); }
.nav-btn-primary {
  background: var(--primary);
  color: var(--bg);
  border: 1px solid var(--primary);
}
.nav-btn-primary:hover { background: var(--primary-hover); border-color: var(--primary-hover); }

/* ── Buttons ── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 12px 24px;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.15s, box-shadow 0.15s;
  text-decoration: none;
}
.btn-primary:hover { background: var(--primary-hover); box-shadow: 0 0 20px var(--accent-glow); }
.btn-primary:disabled { opacity: 0.6; cursor: not-allowed; }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  color: var(--fg-muted);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.15s;
  text-decoration: none;
}
.btn-secondary:hover { border-color: var(--primary); color: var(--primary); }

/* Terminal-style submit button */
.submit-btn {
  background: var(--primary);
  color: #fff;
  border: none;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 13px 24px;
  cursor: pointer;
  transition: background 0.15s, box-shadow 0.15s;
  text-transform: uppercase;
  border-radius: var(--radius);
}
.submit-btn:hover { background: var(--primary-hover); box-shadow: 0 0 20px var(--accent-glow); }
.submit-btn:disabled { opacity: 0.6; cursor: not-allowed; }

.cta-primary {
  background: var(--primary);
  color: #fff;
  border: none;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 14px 28px;
  cursor: pointer;
  text-transform: uppercase;
  transition: background 0.15s, box-shadow 0.15s;
  border-radius: var(--radius);
  text-decoration: none;
  display: inline-block;
}
.cta-primary:hover { background: var(--primary-hover); box-shadow: 0 0 20px var(--accent-glow); }

.cta-secondary {
  background: transparent;
  color: var(--fg-muted);
  border: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 14px 20px;
  cursor: pointer;
  transition: all 0.15s;
  text-decoration: none;
  display: inline-block;
  border-radius: var(--radius);
}
.cta-secondary:hover { border-color: var(--primary); color: var(--primary); }

.btn-ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--fg-muted);
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 8px 16px;
  cursor: pointer;
  transition: all 0.15s;
  border-radius: var(--radius);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

/* ── Grade Badges ── */
.grade-badge {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
}
.grade-a, .grade-aplus { color: var(--success); }
.grade-bplus { color: var(--accent); }
.grade-b { color: var(--primary); }
.grade-c { color: var(--fg-muted); }
.grade-d { color: var(--danger); }

/* Tier badges (prospector) */
.tier-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 9px;
  padding: 2px 8px;
  border-radius: var(--radius);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 700;
}
.tier-platinum { background: rgba(6,182,212,0.1); color: var(--accent); border: 1px solid rgba(6,182,212,0.4); }
.tier-gold { background: rgba(59,130,246,0.1); color: var(--primary); border: 1px solid rgba(59,130,246,0.4); }
.tier-silver { background: rgba(139,92,246,0.1); color: #8B5CF6; border: 1px solid rgba(139,92,246,0.4); }
.tier-bronze { background: rgba(148,163,184,0.1); color: var(--fg-muted); border: 1px solid rgba(148,163,184,0.3); }

/* Status badges */
.status-badge {
  font-family: var(--font-mono);
  font-size: 9px;
  padding: 2px 8px;
  border-radius: var(--radius);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  display: inline-block;
}
.status-new { background: #0d1a0d; color: var(--success); }
.status-contacted { background: rgba(59,130,246,0.1); color: var(--primary); }
.status-qualified { background: rgba(6,182,212,0.1); color: var(--accent); }
.status-offer_made { background: rgba(6,182,212,0.1); color: var(--accent); }
.status-acquired { background: #1a2a1a; color: var(--success); }
.status-dead { background: #1a0a0a; color: #7a3d3d; }

/* Inquiry type badges */
.inquiry-type-badge {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  padding: 6px 10px;
  border: 1px solid;
  letter-spacing: 0.06em;
}
.inquiry-type-offer { color: var(--success); border-color: rgba(46,204,113,0.4); background: rgba(46,204,113,0.08); }
.inquiry-type-general { color: var(--accent); border-color: rgba(6,182,212,0.4); background: rgba(6,182,212,0.08); }
.inquiry-type-document_request { color: var(--fg-muted); border-color: var(--border); background: transparent; }

/* Inquiry status badges */
.inquiry-status {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  padding: 5px 10px;
  border: 1px solid;
  display: inline-block;
  letter-spacing: 0.06em;
}
.inquiry-status-pending { color: var(--fg-muted); border-color: var(--border); background: var(--surface); }
.inquiry-status-responded { color: var(--accent); border-color: rgba(6,182,212,0.4); background: rgba(6,182,212,0.08); }
.inquiry-status-accepted { color: var(--success); border-color: rgba(46,204,113,0.4); background: rgba(46,204,113,0.08); }
.inquiry-status-rejected { color: var(--danger); border-color: rgba(231,76,60,0.4); background: rgba(231,76,60,0.08); }
.inquiry-status-countered { color: var(--purple); border-color: rgba(155,89,182,0.4); background: rgba(155,89,182,0.08); }

/* ── Cards ── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.card:hover { border-color: var(--border-bright); }

/* Listing card */
.listing-card {
  border: 1px solid var(--border);
  background: var(--surface);
  overflow: hidden;
  transition: border-color 0.15s;
  cursor: pointer;
  border-radius: var(--radius-md);
}
.listing-card:hover { border-color: var(--border-bright); }

/* Pipeline item */
.pipeline-item {
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 16px;
  margin-bottom: 12px;
  transition: border-color 0.15s;
  border-radius: var(--radius-md);
}
.pipeline-item:hover { border-color: var(--border-bright); }

/* ── Footer ── */
.footer {
  padding: 32px 40px;
  border-top: 1px solid var(--border);
  background: var(--bg);
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
}
.footer-brand { display: flex; align-items: center; gap: 10px; }
.footer-logo { font-family: var(--font-mono); font-size: 0.9rem; font-weight: 700; color: var(--primary); letter-spacing: 0.1em; }
.footer-tagline { font-size: 0.75rem; color: var(--fg-muted); font-family: var(--font-mono); }
.footer-links { display: flex; gap: 24px; }
.footer-link { font-family: var(--font-mono); font-size: 0.72rem; color: var(--fg-muted); text-decoration: none; letter-spacing: 0.04em; transition: color 0.15s; }
.footer-link:hover { color: var(--fg); }
.footer-meta { font-size: 0.72rem; color: var(--fg-dim); font-family: var(--font-mono); }

/* ── Page Header ── */
.page-header {
  background: var(--surface-deep);
  border-bottom: 1px solid var(--border);
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.page-breadcrumb {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-muted);
  letter-spacing: 0.06em;
}
.page-breadcrumb span { color: var(--primary); }
.page-title {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  color: var(--fg);
  letter-spacing: 0.05em;
}

/* ── Terminal Nav (for internal/admin pages) ── */
.terminal-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 24px;
  height: 44px;
  background: var(--surface-deep);
  border-bottom: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  position: sticky;
  top: 0;
  z-index: 100;
}
.terminal-nav .nav-logo { color: var(--primary); font-weight: 700; letter-spacing: 0.12em; }
.terminal-nav .nav-sep { color: var(--fg-dim); margin: 0 10px; }
.terminal-nav .nav-module { color: var(--fg-muted); }
.terminal-nav .nav-right { display: flex; align-items: center; gap: 16px; }
.terminal-nav .nav-status { color: var(--success); display: flex; align-items: center; gap: 6px; }
.terminal-nav .nav-time { color: var(--fg-muted); font-variant-numeric: tabular-nums; }

/* Pulse animation */
.status-dot, .status-dot-inline {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--success);
  display: inline-block;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
.status-dot, .status-dot-inline { animation: pulse 2s infinite; }

/* ── Section Headers ── */
.section-header {
  background: var(--surface-deep);
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ── Filter Bar ── */
.filter-bar {
  background: var(--surface-deep);
  border-bottom: 1px solid var(--border);
  padding: 12px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.filter-group { display: flex; align-items: center; gap: 8px; }
.filter-label {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--fg-dim);
  letter-spacing: 0.08em;
}
.filter-select {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--fg);
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 6px 28px 6px 10px;
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238A8F98' d='M6 8L2 4h8z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 8px center;
  border-radius: var(--radius);
}
.filter-results {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-muted);
  margin-left: auto;
}

/* ── Pagination ── */
.pagination { display: flex; align-items: center; justify-content: center; gap: 8px; padding: 20px; }
.page-btn {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--fg-muted);
  font-family: var(--font-mono);
  font-size: 12px;
  width: 32px;
  height: 32px;
  cursor: pointer;
  transition: all 0.15s;
  border-radius: var(--radius);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.page-btn:hover { border-color: var(--accent); color: var(--fg); }
.page-btn.active { background: var(--accent); color: var(--bg); border-color: var(--accent); }
.page-btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* ── Stage Buttons ── */
.stage-selector { display: flex; gap: 6px; flex-wrap: wrap; }
.stage-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--fg-muted);
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 6px 12px;
  cursor: pointer;
  transition: all 0.15s;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius);
}
.stage-btn:hover { border-color: var(--accent); color: var(--accent); }
.stage-btn.active { background: var(--accent); border-color: var(--accent); color: var(--bg); }

/* ── Deal Room Tabs ── */
.deal-room-tabs {
  display: flex;
  border-bottom: 1px solid var(--border);
  background: var(--surface-deep);
}
.deal-tab {
  flex: 1;
  padding: 12px 20px;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--fg-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: all 0.15s;
  text-align: center;
}
.deal-tab:hover { color: var(--fg); background: var(--surface); }
.deal-tab.active { color: var(--accent); border-bottom-color: var(--accent); background: var(--surface); }
.deal-tab-content { padding: 24px; }

/* ── Utility ── */
.hidden { display: none !important; }
.blink { animation: blink 1s step-end infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* ── Toast ── */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--surface-2);
  border: 1px solid var(--success);
  color: var(--success);
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 12px 20px;
  border-radius: var(--radius-md);
  display: none;
  z-index: 200;
}
.toast.show { display: block; }
.toast.error { border-color: var(--danger); color: var(--danger); }

/* ── Responsive ── */
@media (max-width: 900px) {
  .nav { padding: 0 20px; }
  .footer-inner { flex-direction: column; align-items: flex-start; gap: 16px; }
  .footer-links { flex-wrap: wrap; gap: 12px; }
}
@media (max-width: 600px) {
  .btn-primary, .btn-secondary, .submit-btn { width: 100%; justify-content: center; }
  .cta-actions { flex-direction: column; align-items: center; }
}