/* ── Color palette ── */
:root {
  --teal:          #0d9488;
  --teal-dark:     #0f766e;
  --teal-light:    #ccfbf1;
  --teal-xlight:   #f0fdf9;
  --purple:        #6f42c1;
  --purple-dark:   #5a32a3;
  --purple-light:  #ede9fe;
  --purple-xlight: #faf5ff;
  --slate-50:  #f8fafc;
  --slate-100: #f1f5f9;
  --slate-200: #e2e8f0;
  --slate-300: #cbd5e1;
  --slate-400: #94a3b8;
  --slate-500: #64748b;
  --slate-600: #475569;
  --slate-700: #334155;
  --slate-800: #1e293b;
  --slate-900: #0f172a;
  --radius:    0.5rem;
  --shadow-xs: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.07), 0 1px 2px -1px rgb(0 0 0 / 0.07);
  --shadow:    0 4px 6px -1px rgb(0 0 0 / 0.07), 0 2px 4px -2px rgb(0 0 0 / 0.07);
  --shadow-md: 0 10px 15px -3px rgb(0 0 0 / 0.08), 0 4px 6px -4px rgb(0 0 0 / 0.06);
}

/* ── Global ── */
body {
  background: var(--slate-50);
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  font-size: 0.875rem;
  color: var(--slate-700);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

hr {
  border-color: var(--slate-200);
  opacity: 1;
}

/* ── Metric Cards ── */
.metric-card {
  border-radius: var(--radius);
  padding: 1.25rem 1.25rem 1rem;
  color: #fff;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}
.metric-card::after {
  content: '';
  position: absolute;
  right: -18px;
  bottom: -18px;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: rgba(255,255,255,0.12);
}
.metric-icon { font-size: 1.4rem; opacity: 0.85; line-height: 1; }
.metric-value { font-size: 2rem; font-weight: 700; line-height: 1.1; letter-spacing: -0.02em; }
.metric-label { font-size: 0.75rem; font-weight: 500; opacity: 0.85; text-transform: uppercase; letter-spacing: 0.05em; }

.metric-teal   { background: linear-gradient(135deg, #0d9488 0%, #0f766e 100%); }
.metric-blue   { background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%); }
.metric-purple { background: linear-gradient(135deg, #7c3aed 0%, #6d28d9 100%); }
.metric-amber  { background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%); }

/* ── Navbar ── */
.cdss-navbar {
  background: linear-gradient(135deg, var(--slate-900) 0%, var(--slate-800) 100%) !important;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  box-shadow: 0 2px 12px rgba(0,0,0,0.18);
}
.navbar-brand { letter-spacing: -0.01em; }
.text-teal { color: var(--teal) !important; }
.nav-user-btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  transition: background 0.15s;
}
.nav-user-btn:hover { background: rgba(255,255,255,0.16); }

/* ── Cards ── */
.card {
  border: 1px solid var(--slate-200);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}
.card-header {
  background: var(--slate-50);
  border-bottom: 1px solid var(--slate-200);
  border-radius: calc(var(--radius) - 1px) calc(var(--radius) - 1px) 0 0 !important;
  font-size: 0.8rem;
  font-weight: 600;
}
.card-body { color: var(--slate-700); }

/* ── Main tab content panel ── */
.tab-content.border.border-top-0.rounded-bottom {
  border-color: var(--slate-200) !important;
  box-shadow: var(--shadow-sm);
}

/* ── Tab nav ── */
.nav-tabs {
  border-bottom: 2px solid var(--slate-200);
  gap: 1px;
}
.nav-tabs .nav-link {
  color: var(--slate-500);
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  padding: 0.55rem 0.85rem;
  font-size: 0.82rem;
  font-weight: 500;
  border-radius: 0;
  background: transparent !important;
  transition: color 0.12s ease, border-color 0.12s ease;
}
.nav-tabs .nav-link:hover { color: var(--slate-700); }

.nav-tabs .nav-link.tab-teal.active  { color: var(--teal);    border-bottom-color: var(--teal); }
.nav-tabs .nav-link.tab-teal:hover   { color: var(--teal); }
.nav-tabs .nav-link.tab-purple.active { color: var(--purple);  border-bottom-color: var(--purple); }
.nav-tabs .nav-link.tab-purple:hover  { color: var(--purple); }
.nav-tabs .nav-link.tab-gray.active  { color: var(--slate-700); border-bottom-color: var(--slate-500); }
.nav-tabs .nav-link.tab-gray:hover   { color: var(--slate-700); }

/* ── Buttons ── */
.btn {
  font-weight: 500;
  letter-spacing: 0.01em;
  transition: all 0.14s ease;
}

.btn-teal {
  background-color: var(--teal);
  border-color: var(--teal);
  color: #fff;
}
.btn-teal:hover {
  background-color: var(--teal-dark);
  border-color: var(--teal-dark);
  color: #fff;
  box-shadow: 0 2px 8px rgba(13,148,136,0.28);
  transform: translateY(-1px);
}

.btn-purple {
  background-color: var(--purple);
  border-color: var(--purple);
  color: #fff;
}
.btn-purple:hover {
  background-color: var(--purple-dark);
  border-color: var(--purple-dark);
  color: #fff;
  box-shadow: 0 2px 8px rgba(111,66,193,0.28);
  transform: translateY(-1px);
}

.btn-gray {
  background-color: var(--slate-600);
  border-color: var(--slate-600);
  color: #fff;
}
.btn-gray:hover {
  background-color: var(--slate-700);
  border-color: var(--slate-700);
  color: #fff;
}

.btn-outline-purple {
  color: var(--purple);
  border-color: var(--purple);
}
.btn-outline-purple:hover {
  background-color: var(--purple);
  color: #fff;
  box-shadow: 0 2px 8px rgba(111,66,193,0.22);
}

/* ── Card header color variants ── */
.bg-teal-soft {
  background: linear-gradient(90deg, #e6faf7, var(--teal-xlight)) !important;
  color: var(--teal-dark);
  border-bottom-color: #a7f3d0 !important;
}
.bg-purple-soft {
  background: linear-gradient(90deg, var(--purple-light), var(--purple-xlight)) !important;
  color: var(--purple-dark);
  border-bottom-color: #ddd6fe !important;
}
.bg-danger-soft {
  background: linear-gradient(90deg, #fef2f2, #fff5f5) !important;
  color: #991b1b;
  border-bottom-color: #fecaca !important;
}

/* ── Analysis sub-tab pills ── */
#analysisPills {
  background: var(--slate-100);
  border-radius: var(--radius);
  padding: 4px;
  gap: 2px;
}
#analysisPills .nav-link {
  color: var(--slate-500);
  font-size: 0.8rem;
  font-weight: 500;
  border-radius: calc(var(--radius) - 2px);
  padding: 0.35rem 0.8rem;
  border: none;
  transition: all 0.12s ease;
}
#analysisPills .nav-link:hover {
  color: var(--purple);
  background: rgba(111,66,193,0.08);
}
#analysisPills .nav-link.active {
  background-color: var(--purple);
  color: #fff;
  box-shadow: 0 1px 4px rgba(111,66,193,0.3);
}

/* ── Markdown render area ── */
.analysis-text { line-height: 1.7; }
.analysis-text h1,
.analysis-text h2 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-top: 1.4rem;
  margin-bottom: 0.4rem;
  color: var(--slate-900);
  padding-bottom: 0.35rem;
  border-bottom: 1px solid var(--slate-200);
}
.analysis-text h3 {
  font-size: 0.93rem;
  font-weight: 600;
  margin-top: 1rem;
  color: var(--slate-700);
}
.analysis-text ul  { padding-left: 1.3rem; }
.analysis-text li  { margin-bottom: 0.2rem; }
.analysis-text p   { margin-bottom: 0.5rem; }
.analysis-text strong { color: var(--slate-900); }
.analysis-text table {
  width: 100%;
  border-collapse: collapse;
  margin: 0.75rem 0;
  font-size: 0.83rem;
}
.analysis-text table th,
.analysis-text table td { border: 1px solid var(--slate-200); padding: 0.4rem 0.65rem; }
.analysis-text table th {
  background: var(--slate-100);
  font-weight: 600;
  color: var(--slate-600);
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.03em;
}
.analysis-text table tr:nth-child(even) td { background: var(--slate-50); }
.analysis-text blockquote {
  border-left: 3px solid var(--purple);
  padding: 0.45rem 0.85rem;
  color: var(--slate-500);
  margin: 0.6rem 0;
  background: var(--purple-xlight);
  border-radius: 0 0.3rem 0.3rem 0;
}

/* ── Section blocks ── */
.section-block { padding: 0.25rem 0; }

/* ── Analysis control bar ── */
.analysis-control-bar {
  background: var(--slate-100);
  border: 1px solid var(--slate-200);
}

/* ── AI disclaimer ── */
.ai-disclaimer {
  background: linear-gradient(90deg, #fffbeb, #fefce8);
  border: 1px solid #fde68a;
  border-left: 4px solid #f59e0b;
  color: #78350f;
}

/* ── Spinner ── */
.spinner-border.text-purple { color: var(--purple) !important; }

/* ── Tables ── */
.table { font-size: 0.85rem; }
.table-sm td, .table-sm th { vertical-align: middle; }
.table-light th {
  color: var(--slate-500);
  font-weight: 600;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: var(--slate-50) !important;
  border-bottom-color: var(--slate-200) !important;
}
.table-hover > tbody > tr:hover > td { background-color: var(--slate-50); }
.table td, .table th { border-color: var(--slate-200); }

/* ── Emergency banner ── */
.alert-danger {
  border-left: 4px solid #dc2626;
  background: #fef2f2;
  border-color: #fecaca;
  color: #991b1b;
}

/* ── Badges ── */
.badge { font-weight: 500; letter-spacing: 0.02em; }
.badge.bg-light { background-color: var(--slate-100) !important; color: var(--slate-600) !important; border-color: var(--slate-200) !important; }

/* ── Form controls ── */
.form-control,
.form-select {
  border-color: var(--slate-200);
  color: var(--slate-700);
  transition: border-color 0.14s ease, box-shadow 0.14s ease;
}
.form-control::placeholder { color: var(--slate-400); }
.form-control:focus,
.form-select:focus {
  border-color: rgba(13,148,136,0.5);
  box-shadow: 0 0 0 3px rgba(13,148,136,0.1);
}

/* ── Modals ── */
.modal-header {
  background: var(--slate-50);
  border-bottom: 1px solid var(--slate-200);
}
.modal-footer {
  background: var(--slate-50);
  border-top: 1px solid var(--slate-200);
}
.modal-content {
  border: 1px solid var(--slate-200);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
}

/* ── AI Chat ── */
#chat-messages {
  height: calc(100vh - 300px);
  min-height: 400px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 16px;
  background: var(--slate-50);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius);
  scroll-behavior: smooth;
}

.chat-bubble {
  max-width: 82%;
  padding: 10px 14px;
  font-size: 0.855rem;
  line-height: 1.58;
  word-wrap: break-word;
}

.chat-bubble-user {
  background: var(--purple);
  color: #fff;
  align-self: flex-end;
  border-radius: 14px 14px 3px 14px;
}

.chat-bubble-assistant {
  background: #fff;
  border: 1px solid var(--slate-200);
  color: var(--slate-700);
  align-self: flex-start;
  border-radius: 14px 14px 14px 3px;
  box-shadow: var(--shadow-xs);
}

.chat-bubble-assistant p:last-child { margin-bottom: 0; }
.chat-bubble-assistant ul:last-child { margin-bottom: 0; }

.chat-meta {
  font-size: 0.7rem;
  color: var(--slate-400);
  margin-bottom: 3px;
  padding: 0 2px;
}

.chat-typing {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 10px 14px;
  background: #fff;
  border: 1px solid var(--slate-200);
  border-radius: 14px 14px 14px 3px;
  align-self: flex-start;
  color: var(--slate-400);
  font-size: 0.8rem;
  box-shadow: var(--shadow-xs);
}

.typing-dot {
  width: 6px;
  height: 6px;
  background: var(--slate-400);
  border-radius: 50%;
  animation: typing-bounce 1.2s infinite ease-in-out;
}
.typing-dot:nth-child(2) { animation-delay: 0.2s; }
.typing-dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes typing-bounce {
  0%, 60%, 100% { transform: translateY(0); }
  30%           { transform: translateY(-5px); }
}