/* ─── Design Tokens ─────────────────────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300..700;1,9..40,300..700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --font-body: 'DM Sans', 'Helvetica Neue', sans-serif;
  --font-display: 'DM Sans', 'Helvetica Neue', sans-serif;
  --font-mono: 'JetBrains Mono', 'Consolas', monospace;

  --text-xs:   clamp(0.6875rem, 0.65rem + 0.2vw, 0.8125rem);
  --text-sm:   clamp(0.8125rem, 0.78rem + 0.2vw, 0.9375rem);
  --text-base: clamp(0.9375rem, 0.9rem + 0.2vw, 1rem);
  --text-lg:   clamp(1.0625rem, 1rem + 0.4vw, 1.25rem);
  --text-xl:   clamp(1.25rem, 1.1rem + 0.75vw, 1.625rem);

  --space-1: 0.25rem; --space-2: 0.5rem; --space-3: 0.75rem; --space-4: 1rem;
  --space-5: 1.25rem; --space-6: 1.5rem; --space-8: 2rem; --space-10: 2.5rem;
  --space-12: 3rem; --space-16: 4rem;

  --radius-sm: 0.375rem; --radius-md: 0.5rem; --radius-lg: 0.75rem;
  --radius-xl: 1rem; --radius-full: 9999px;
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Finance-themed: deep navy primary */
  --color-bg: #0c0f14;
  --color-surface: #131720;
  --color-surface-2: #1a1f2b;
  --color-surface-3: #212736;
  --color-border: #2a3142;
  --color-border-subtle: #1e2435;
  --color-text: #e1e4ea;
  --color-text-muted: #8490a7;
  --color-text-faint: #4d5872;
  --color-text-inverse: #0c0f14;
  --color-primary: #3b82f6;
  --color-primary-hover: #2563eb;
  --color-primary-bg: rgba(59, 130, 246, 0.1);
  --color-primary-bg-hover: rgba(59, 130, 246, 0.18);
  --color-success: #22c55e;
  --color-success-bg: rgba(34, 197, 94, 0.1);
  --color-error: #ef4444;
  --color-error-bg: rgba(239, 68, 68, 0.1);
  --color-warning: #f59e0b;
  --color-warning-bg: rgba(245, 158, 11, 0.1);
  --color-gold: #fbbf24;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.5);
}

/* Light mode */
[data-theme="light"] {
  --color-bg: #f0f2f5;
  --color-surface: #ffffff;
  --color-surface-2: #f8f9fa;
  --color-surface-3: #eef0f3;
  --color-border: #d5dae2;
  --color-border-subtle: #e8ecf1;
  --color-text: #1a1f2b;
  --color-text-muted: #5a6577;
  --color-text-faint: #9aa3b4;
  --color-text-inverse: #ffffff;
  --color-primary: #2563eb;
  --color-primary-hover: #1d4ed8;
  --color-primary-bg: rgba(37, 99, 235, 0.08);
  --color-primary-bg-hover: rgba(37, 99, 235, 0.14);
  --color-success: #16a34a;
  --color-success-bg: rgba(22, 163, 74, 0.08);
  --color-error: #dc2626;
  --color-error-bg: rgba(220, 38, 38, 0.08);
  --color-warning: #d97706;
  --color-warning-bg: rgba(217, 119, 6, 0.08);
  --color-gold: #f59e0b;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.12);
}

/* ─── Layout ────────────────────────────────────────────────────────────────── */
html, body { height: 100%; overflow: hidden; margin: 0; }

.app {
  display: grid;
  grid-template-columns: 240px 1fr;
  grid-template-rows: auto 1fr;
  height: 100dvh;
}

.sidebar {
  grid-row: 1 / -1;
  background: var(--color-surface);
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  overscroll-behavior: contain;
  z-index: 20;
}

.header {
  grid-column: 2;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-6);
  z-index: 10;
  min-height: 52px;
}

.main {
  grid-column: 2;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: var(--space-5);
  background: var(--color-bg);
}

/* ─── Sidebar ───────────────────────────────────────────────────────────────── */
.sidebar-brand {
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.sidebar-brand svg { width: 28px; height: 28px; flex-shrink: 0; }
.sidebar-brand-text {
  font-size: var(--text-lg);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text);
}
.sidebar-brand-sub {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  font-weight: 400;
}

.sidebar-section {
  padding: var(--space-3) var(--space-3);
}
.sidebar-label {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-faint);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: var(--space-2) var(--space-3);
}

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-interactive);
  border: none;
  background: none;
  width: 100%;
  text-align: left;
}
.nav-item:hover { background: var(--color-primary-bg); color: var(--color-text); }
.nav-item.active {
  background: var(--color-primary-bg);
  color: var(--color-primary);
  font-weight: 600;
}
.nav-item i { width: 18px; height: 18px; flex-shrink: 0; }

.sidebar-indices {
  padding: var(--space-3) var(--space-4);
  border-top: 1px solid var(--color-border);
  margin-top: auto;
}
.index-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-1) 0;
  font-size: var(--text-xs);
}
.index-name { color: var(--color-text-muted); font-weight: 500; }
.index-val { font-family: var(--font-mono); font-size: var(--text-xs); color: var(--color-text); }
.index-chg { font-family: var(--font-mono); font-size: var(--text-xs); }

/* ─── Header ────────────────────────────────────────────────────────────────── */
.header-left { display: flex; align-items: center; gap: var(--space-4); }
.header-title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

.header-actions { display: flex; align-items: center; gap: var(--space-2); }

.search-box {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-1) var(--space-3);
  min-width: 260px;
}
.search-box i { color: var(--color-text-faint); width: 16px; height: 16px; }
.search-box input {
  background: none; border: none; outline: none;
  font-size: var(--text-sm); color: var(--color-text);
  width: 100%;
}
.search-box input::placeholder { color: var(--color-text-faint); }

.icon-btn {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all var(--transition-interactive);
}
.icon-btn:hover {
  background: var(--color-primary-bg);
  color: var(--color-primary);
}
.icon-btn i { width: 18px; height: 18px; }

.btn {
  display: inline-flex; align-items: center; gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--text-sm); font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-interactive);
}
.btn-primary {
  background: var(--color-primary); color: #fff; border: none;
}
.btn-primary:hover { background: var(--color-primary-hover); }
.btn-ghost {
  background: var(--color-surface-2); color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}
.btn-ghost:hover { background: var(--color-surface-3); color: var(--color-text); }
.btn-sm { padding: var(--space-1) var(--space-3); font-size: var(--text-xs); }

/* ─── Cards ─────────────────────────────────────────────────────────────────── */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-5);
}
.card-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: var(--space-4);
}
.card-title {
  font-size: var(--text-sm); font-weight: 600; color: var(--color-text);
  display: flex; align-items: center; gap: var(--space-2);
}
.card-title i { color: var(--color-primary); width: 16px; height: 16px; }

/* ─── KPI Cards ─────────────────────────────────────────────────────────────── */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-5);
}
.kpi-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-5);
}
.kpi-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-1);
}
.kpi-value {
  font-size: var(--text-xl);
  font-weight: 700;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums lining-nums;
  color: var(--color-text);
  line-height: 1.2;
}
.kpi-delta {
  font-size: var(--text-xs);
  font-weight: 600;
  font-family: var(--font-mono);
  margin-top: var(--space-1);
  display: flex; align-items: center; gap: var(--space-1);
}
.kpi-delta.positive { color: var(--color-success); }
.kpi-delta.negative { color: var(--color-error); }

/* ─── Tables ────────────────────────────────────────────────────────────────── */
.data-table {
  width: 100%;
  font-size: var(--text-sm);
  border-collapse: collapse;
}
.data-table thead { position: sticky; top: 0; z-index: 1; }
.data-table th {
  text-align: left;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
}
.data-table th:hover { color: var(--color-primary); }
.data-table td {
  padding: var(--space-2) var(--space-3);
  border-bottom: 1px solid var(--color-border-subtle);
  white-space: nowrap;
  font-variant-numeric: tabular-nums lining-nums;
}
.data-table tr:hover td { background: var(--color-primary-bg); }
.data-table .mono {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}
.data-table .stock-symbol {
  font-weight: 700;
  color: var(--color-primary);
  cursor: pointer;
}
.data-table .stock-symbol:hover { text-decoration: underline; }
.data-table .stock-name {
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  max-width: 160px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.positive { color: var(--color-success); }
.negative { color: var(--color-error); }
.neutral { color: var(--color-text-muted); }

/* ─── Badges & Tags ─────────────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px var(--space-2);
  border-radius: var(--radius-full);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.badge-success { background: var(--color-success-bg); color: var(--color-success); }
.badge-error { background: var(--color-error-bg); color: var(--color-error); }
.badge-warning { background: var(--color-warning-bg); color: var(--color-warning); }
.badge-primary { background: var(--color-primary-bg); color: var(--color-primary); }
.badge-neutral { background: var(--color-surface-3); color: var(--color-text-muted); }

.tag {
  display: inline-flex;
  align-items: center;
  padding: 2px var(--space-2);
  border-radius: var(--radius-sm);
  font-size: 0.6875rem;
  font-weight: 500;
  background: var(--color-surface-3);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  cursor: pointer;
  transition: all var(--transition-interactive);
}
.tag:hover { background: var(--color-primary-bg); color: var(--color-primary); border-color: var(--color-primary); }
.tag.active { background: var(--color-primary-bg); color: var(--color-primary); border-color: var(--color-primary); }

/* ─── Section layouts ───────────────────────────────────────────────────────── */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: var(--space-4); }
.grid-2-1 { display: grid; grid-template-columns: 2fr 1fr; gap: var(--space-4); }
.grid-1-2 { display: grid; grid-template-columns: 1fr 2fr; gap: var(--space-4); }

.flex-between { display: flex; justify-content: space-between; align-items: center; }
.flex-center { display: flex; align-items: center; gap: var(--space-2); }
.flex-wrap { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.gap-4 { gap: var(--space-4); }
.gap-2 { gap: var(--space-2); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-5 { margin-bottom: var(--space-5); }
.mt-4 { margin-top: var(--space-4); }

/* ─── Chart Container ───────────────────────────────────────────────────────── */
.chart-container {
  position: relative;
  width: 100%;
  min-height: 300px;
}
.chart-container canvas {
  width: 100% !important;
}

/* ─── Stock Detail Panel ────────────────────────────────────────────────────── */
.detail-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-5);
}
.detail-name {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.2;
}
.detail-symbol {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.detail-price {
  font-size: var(--text-xl);
  font-weight: 700;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums lining-nums;
  text-align: right;
}
.detail-change {
  font-size: var(--text-sm);
  font-family: var(--font-mono);
  text-align: right;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: var(--space-3);
}
.metric-item {
  padding: var(--space-3);
  background: var(--color-surface-2);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-subtle);
}
.metric-label {
  font-size: 0.6875rem;
  color: var(--color-text-faint);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-1);
}
.metric-value {
  font-size: var(--text-sm);
  font-weight: 600;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums lining-nums;
  color: var(--color-text);
}

/* ─── Signal indicators ─────────────────────────────────────────────────────── */
.signal-card {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface-2);
}
.signal-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.signal-dot.success { background: var(--color-success); box-shadow: 0 0 6px var(--color-success); }
.signal-dot.warning { background: var(--color-error); box-shadow: 0 0 6px var(--color-error); }
.signal-dot.neutral { background: var(--color-text-faint); }
.signal-indicator { font-size: var(--text-xs); font-weight: 700; color: var(--color-text-muted); }
.signal-message { font-size: var(--text-xs); color: var(--color-text); }

/* ─── Impact Analysis ───────────────────────────────────────────────────────── */
.impact-input {
  display: flex;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}
.impact-input input {
  flex: 1;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text);
  outline: none;
}
.impact-input input:focus { border-color: var(--color-primary); }
.impact-input input::placeholder { color: var(--color-text-faint); }

.impact-high { border-left: 3px solid var(--color-error); }
.impact-medium { border-left: 3px solid var(--color-warning); }
.impact-low { border-left: 3px solid var(--color-text-faint); }

.impact-stock {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border-subtle);
}
.impact-stock:last-child { border-bottom: none; }

/* ─── Tabs ──────────────────────────────────────────────────────────────────── */
.tabs {
  display: flex;
  gap: var(--space-1);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-4);
}
.tab {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all var(--transition-interactive);
}
.tab:hover { color: var(--color-text); }
.tab.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
  font-weight: 600;
}

/* ─── Empty state ───────────────────────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: var(--space-12) var(--space-8);
  color: var(--color-text-muted);
}
.empty-state i { width: 48px; height: 48px; margin: 0 auto var(--space-4); color: var(--color-text-faint); }
.empty-state h3 { font-size: var(--text-lg); margin-bottom: var(--space-2); color: var(--color-text); }
.empty-state p { font-size: var(--text-sm); }

/* ─── Modal ─────────────────────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 200ms;
}
.modal-overlay.open {
  opacity: 1;
  pointer-events: all;
}
.modal {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  max-width: 500px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
  transform: translateY(20px);
  transition: transform 200ms;
}
.modal-overlay.open .modal { transform: translateY(0); }
.modal h3 {
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-4);
  color: var(--color-text);
}
.form-group {
  margin-bottom: var(--space-4);
}
.form-label {
  display: block;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-1);
}
.form-input {
  width: 100%;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text);
  outline: none;
}
.form-input:focus { border-color: var(--color-primary); }
.form-actions {
  display: flex; justify-content: flex-end; gap: var(--space-2);
  margin-top: var(--space-5);
}

/* ─── Toast ─────────────────────────────────────────────────────────────────── */
.toast-container {
  position: fixed;
  top: var(--space-4);
  right: var(--space-4);
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.toast {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  animation: slideIn 300ms ease forwards;
  min-width: 250px;
}
.toast.success { border-left: 3px solid var(--color-success); }
.toast.error { border-left: 3px solid var(--color-error); }
@keyframes slideIn { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }

/* ─── Pill filter row ───────────────────────────────────────────────────────── */
.filter-row {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-bottom: var(--space-4);
}
.filter-pill {
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 500;
  background: var(--color-surface-2);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  cursor: pointer;
  transition: all var(--transition-interactive);
}
.filter-pill:hover { border-color: var(--color-primary); color: var(--color-primary); }
.filter-pill.active {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

/* ─── Scrollbar ─────────────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover { background: var(--color-text-faint); }

/* ─── Loading spinner ───────────────────────────────────────────────────────── */
.spinner {
  width: 32px; height: 32px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: var(--space-8) auto;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ─── Responsive ────────────────────────────────────────────────────────────── */
.mobile-toggle { display: none; }

@media (max-width: 768px) {
  .app { grid-template-columns: 1fr; }
  .sidebar {
    position: fixed;
    left: -260px;
    top: 0;
    bottom: 0;
    width: 260px;
    transition: left 300ms ease;
    z-index: 50;
  }
  .sidebar.open { left: 0; }
  .mobile-toggle { display: flex; }
  .main { padding: var(--space-3); }
  .kpi-grid { grid-template-columns: 1fr 1fr; }
  .grid-2, .grid-3, .grid-2-1, .grid-1-2 { grid-template-columns: 1fr; }
  .search-box { min-width: 160px; }
  .header { padding: var(--space-2) var(--space-3); }
}

/* ─── Utilities ─────────────────────────────────────────────────────────────── */
.table-container {
  overflow-x: auto;
  border-radius: var(--radius-lg);
}
.hidden { display: none !important; }
.text-right { text-align: right; }
.text-center { text-align: center; }

/* ═══════════════════════════════════════════════════════════════════════════
   ALGO TRADING MODULE STYLES
   ═══════════════════════════════════════════════════════════════════════════ */

/* ─── Algo KPI Grid ────────────────────────────────────────────────────────── */
.algo-kpi-grid {
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
}

/* ─── Algo Status Dot ──────────────────────────────────────────────────────── */
.algo-status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.algo-status-dot.active {
  background: var(--color-success);
  box-shadow: 0 0 6px var(--color-success);
  animation: algoPulse 2s infinite;
}
.algo-status-dot.inactive {
  background: var(--color-text-faint);
}
@keyframes algoPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* ─── Algo Toggle Switch ───────────────────────────────────────────────────── */
.algo-toggle {
  position: relative;
  display: inline-block;
  width: 36px;
  height: 20px;
  flex-shrink: 0;
}
.algo-toggle input {
  opacity: 0;
  width: 0;
  height: 0;
}
.algo-toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background: var(--color-surface-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  transition: all var(--transition-interactive);
}
.algo-toggle-slider::before {
  content: '';
  position: absolute;
  height: 14px;
  width: 14px;
  left: 2px;
  bottom: 2px;
  background: var(--color-text-muted);
  border-radius: 50%;
  transition: all var(--transition-interactive);
}
.algo-toggle input:checked + .algo-toggle-slider {
  background: var(--color-primary-bg);
  border-color: var(--color-primary);
}
.algo-toggle input:checked + .algo-toggle-slider::before {
  background: var(--color-primary);
  transform: translateX(16px);
}

/* ─── Strategy Template Grid ───────────────────────────────────────────────── */
.algo-template-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-4);
}
.algo-template-card {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-5);
  cursor: pointer;
  transition: all var(--transition-interactive);
  display: flex;
  flex-direction: column;
}
.algo-template-card:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-bg);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.algo-template-header h4 {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text);
  margin: 0;
  line-height: 1.3;
}
.algo-template-desc {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.5;
  margin: var(--space-2) 0 var(--space-3);
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.algo-template-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  margin-top: auto;
}

/* ─── Quick Actions ────────────────────────────────────────────────────────── */
.algo-quick-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

/* ─── Trading Log ──────────────────────────────────────────────────────────── */
.algo-log-container {
  max-height: 260px;
  overflow-y: auto;
}
.algo-log-entry {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border-bottom: 1px solid var(--color-border-subtle);
  font-size: var(--text-xs);
}
.algo-log-entry:last-child { border-bottom: none; }
.algo-log-time {
  color: var(--color-text-faint);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  white-space: nowrap;
  min-width: 140px;
}
.algo-log-msg {
  color: var(--color-text-muted);
  flex: 1;
}

/* ─── Warning Banner ───────────────────────────────────────────────────────── */
.algo-warning-banner {
  background: var(--color-error-bg);
  border: 1px solid var(--color-error);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-5);
  color: var(--color-error);
}
.algo-warning-banner p {
  color: var(--color-text-muted);
}

/* ─── Setup Guide ──────────────────────────────────────────────────────────── */
.algo-setup-guide {
  padding: var(--space-3) 0;
}
.algo-setup-guide h4 {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text);
}

/* ─── Config Section ───────────────────────────────────────────────────────── */
.algo-config-field {
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-border-subtle);
}
.algo-config-field:last-child { border-bottom: none; }
.algo-config-field .form-label {
  margin-bottom: var(--space-1);
}
.algo-config-field small {
  display: block;
  margin-top: var(--space-1);
}

/* ─── Config Checklist ─────────────────────────────────────────────────────── */
.algo-checklist-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--space-2);
}
.algo-checklist-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border-subtle);
}
.algo-checklist-item.ok {
  border-color: var(--color-success);
  background: var(--color-success-bg);
}

/* ─── Kite Card ────────────────────────────────────────────────────────────── */
.algo-kite-card .card-header {
  margin-bottom: var(--space-2);
}

/* ─── Autonomous Engine Metrics ──────────────────────────────────────────── */
.algo-metrics-row {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--space-3);
}
.algo-metric-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md, 8px);
  padding: var(--space-3) var(--space-4);
  text-align: center;
}
.algo-metric-value {
  font-size: var(--text-lg, 1.125rem);
  font-weight: 700;
  color: var(--color-text);
  font-variant-numeric: tabular-nums;
}
.algo-metric-label {
  font-size: var(--text-xs, 0.75rem);
  color: var(--color-text-muted);
  margin-top: 2px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* ─── Backtest Form ────────────────────────────────────────────────────────── */
.algo-backtest-form .form-group {
  margin-bottom: var(--space-3);
}

/* ─── Algo Modal wider ─────────────────────────────────────────────────────── */
.modal-overlay.open .modal {
  max-width: 540px;
}

/* ─── Responsive tweaks ────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .algo-kpi-grid { grid-template-columns: 1fr 1fr; }
  .algo-template-grid { grid-template-columns: 1fr; }
  .algo-checklist-grid { grid-template-columns: 1fr; }
  .algo-quick-actions { flex-direction: column; }
  .algo-quick-actions .btn { width: 100%; justify-content: center; }
  .algo-metrics-row { grid-template-columns: repeat(3, 1fr); }
}

/* ─── User Menu ──────────────────────────────────────────────────────────── */

.user-menu {
  position: relative;
}

.user-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 600;
  font-family: var(--font-body);
  transition: box-shadow 0.2s;
}

.user-btn:hover .user-avatar {
  box-shadow: 0 0 0 3px rgba(1, 105, 111, 0.2);
}

.user-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  width: 220px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--space-2);
  z-index: 200;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: opacity 0.15s, transform 0.15s, visibility 0.15s;
}

.user-dropdown.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.user-dropdown-header {
  padding: var(--space-3) var(--space-3) var(--space-2);
}

.user-dropdown-name {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
}

.user-dropdown-role {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: capitalize;
}

.user-dropdown-divider {
  height: 1px;
  background: var(--color-border);
  margin: var(--space-1) 0;
}

.user-dropdown-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: var(--space-2) var(--space-3);
  background: none;
  border: none;
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-size: var(--text-sm);
  font-family: var(--font-body);
  cursor: pointer;
  transition: background 0.15s;
  text-align: left;
}

.user-dropdown-item:hover {
  background: var(--color-surface-hover);
}

.user-dropdown-item.logout {
  color: #ef4444;
}

.user-dropdown-item.logout:hover {
  background: rgba(239, 68, 68, 0.08);
}

.user-dropdown-item svg {
  flex-shrink: 0;
  color: var(--color-text-muted);
}

.user-dropdown-item.logout svg {
  color: #ef4444;
}

/* ─── Login Screen (Full-page overlay) ───────────────────────────────────── */

.login-screen {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: var(--color-bg);
  transition: opacity 0.3s, visibility 0.3s;
}

.login-screen::before {
  content: '';
  position: fixed;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% -20%, rgba(1,105,111,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.login-screen.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.login-container { position: relative; z-index: 1; width: 100%; max-width: 420px; }

.login-brand { text-align: center; margin-bottom: 32px; }

.login-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px; height: 56px;
  border-radius: 16px;
  background: var(--color-primary);
  margin-bottom: 14px;
  box-shadow: 0 8px 24px -4px rgba(1,105,111,0.35);
}

.login-logo svg { width: 32px; height: 32px; }

.login-brand h1 { font-size: 28px; font-weight: 700; letter-spacing: -0.5px; color: var(--color-text); margin-bottom: 4px; }
.login-brand p { font-size: 14px; color: var(--color-text-muted); }

.login-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 32px;
  box-shadow: 0 25px 60px -12px rgba(0,0,0,0.15);
}

[data-theme="dark"] .login-card { box-shadow: 0 25px 60px -12px rgba(0,0,0,0.5); }

.login-field { margin-bottom: 18px; }
.login-field label { display: block; font-size: 12px; font-weight: 600; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 6px; }

.login-input-wrap {
  position: relative;
}

.login-input-wrap > svg {
  position: absolute;
  left: 13px; top: 50%; transform: translateY(-50%);
  width: 18px; height: 18px;
  color: var(--color-text-muted);
  pointer-events: none;
  opacity: 0.5;
}

.login-input-wrap input {
  width: 100%; height: 46px;
  padding: 0 14px 0 42px;
  background: var(--color-bg);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-size: 14px;
  font-family: var(--font-body);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.login-input-wrap input::placeholder { color: var(--color-text-muted); opacity: 0.5; }
.login-input-wrap input:focus { border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(1,105,111,0.12); }

.login-eye {
  position: absolute; right: 10px; top: 50%; transform: translateY(-50%);
  background: none; border: none; color: var(--color-text-muted); cursor: pointer; padding: 4px; display: flex;
}

.login-eye svg { width: 18px; height: 18px; position: static; transform: none; }

.login-error {
  display: none;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  margin-bottom: 16px;
  background: rgba(239,68,68,0.08);
  border: 1px solid rgba(239,68,68,0.15);
  border-radius: var(--radius-md);
  color: #ef4444;
  font-size: 13px;
  animation: loginShake 0.4s ease-in-out;
}

.login-error.visible { display: flex; }
.login-error svg { flex-shrink: 0; width: 16px; height: 16px; }

@keyframes loginShake {
  0%,100% { transform: translateX(0); }
  25% { transform: translateX(-6px); }
  75% { transform: translateX(6px); }
}

.login-btn {
  width: 100%; height: 46px;
  background: var(--color-primary); color: white; border: none;
  border-radius: var(--radius-md);
  font-size: 15px; font-weight: 600; font-family: var(--font-body);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center; gap: 8px;
  transition: background 0.2s, transform 0.1s;
}

.login-btn:hover { background: #0C4E54; }
.login-btn:active { transform: scale(0.98); }
.login-btn:disabled { opacity: 0.6; cursor: not-allowed; }

.login-spinner {
  width: 18px; height: 18px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  display: none;
}

.login-btn.loading .login-spinner { display: block; }
.login-btn.loading .login-btn-text { display: none; }

.login-divider { display: flex; align-items: center; gap: 14px; margin: 20px 0; }
.login-divider::before, .login-divider::after { content: ''; flex: 1; height: 1px; background: var(--color-border); }
.login-divider span { font-size: 11px; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 1px; }

.login-google {
  width: 100%; height: 46px;
  background: transparent; border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-size: 14px; font-weight: 500; font-family: var(--font-body);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center; gap: 10px;
  transition: background 0.2s;
}

.login-google:hover { background: var(--color-surface-hover); }
.login-google svg { width: 20px; height: 20px; flex-shrink: 0; }

.login-security {
  display: flex; align-items: center; gap: 6px; justify-content: center;
  margin-top: 14px; font-size: 11px; color: var(--color-text-muted);
}

@media (max-width: 480px) {
  .login-card { padding: 24px 20px; }
  .login-brand h1 { font-size: 24px; }
}

/* ─── Sortable Table Headers ─────────────────────────────────────────────── */
.data-table th[onclick] { cursor: pointer; transition: color 0.15s, background 0.15s; }
.data-table th[onclick]:hover { color: var(--color-primary); background: rgba(1, 105, 111, 0.05); }