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

:root {
  --bg-base:      #080c14;
  --bg-surface:   #0d1220;
  --bg-card:      #111827;
  --bg-card2:     #0f172a;
  --border:       #1e2d45;
  --border-light: #253349;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted:   #4b6380;
  --green:        #10b981;
  --green-dim:    #065f46;
  --red:          #ef4444;
  --red-dim:      #7f1d1d;
  --blue:         #3b82f6;
  --blue-dim:     #1e3a5f;
  --purple:       #a855f7;
  --purple-dim:   #4c1d95;
  --orange:       #f59e0b;
  --orange-dim:   #78350f;
  --accent:       #06b6d4;
  --sidebar-w:    240px;
  --radius:       12px;
  --radius-sm:    8px;
  --transition:   0.2s ease;
}

html, body {
  height: 100%;
  font-family: 'Inter', -apple-system, sans-serif;
  background: var(--bg-base);
  color: var(--text-primary);
  font-size: 14px;
  line-height: 1.5;
}

/* ── Layout ───────────────────────────────────────────────────────────────── */
body { display: flex; min-height: 100vh; }

.sidebar {
  width: var(--sidebar-w);
  min-height: 100vh;
  background: var(--bg-surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 20px 0;
  position: fixed;
  left: 0; top: 0; bottom: 0;
  z-index: 100;
}

.main-content {
  margin-left: var(--sidebar-w);
  flex: 1;
  padding: 28px 32px;
  min-height: 100vh;
  overflow-y: auto;
}

/* ── Sidebar ──────────────────────────────────────────────────────────────── */
.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 20px 20px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 12px;
}
.logo-icon { font-size: 22px; }
.logo-text { font-size: 17px; font-weight: 800; letter-spacing: -0.03em; color: var(--text-primary); }

.nav-links { list-style: none; padding: 8px 12px; flex: 1; }
.nav-links li { margin-bottom: 2px; }
.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
  cursor: pointer;
}
.nav-item:hover { background: rgba(59,130,246,0.08); color: var(--text-primary); }
.nav-item.active { background: rgba(59,130,246,0.15); color: var(--blue); }
.nav-icon { font-size: 16px; width: 20px; text-align: center; }

.sidebar-status {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 16px 20px;
  border-top: 1px solid var(--border);
  font-size: 12px;
  color: var(--text-muted);
}
.status-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--red);
  animation: pulse-red 2s infinite;
}
.status-dot.connected { background: var(--green); animation: pulse-green 2s infinite; }
@keyframes pulse-red {
  0%,100% { box-shadow: 0 0 0 0 rgba(239,68,68,0.4); }
  50% { box-shadow: 0 0 0 4px rgba(239,68,68,0); }
}
@keyframes pulse-green {
  0%,100% { box-shadow: 0 0 0 0 rgba(16,185,129,0.4); }
  50% { box-shadow: 0 0 0 4px rgba(16,185,129,0); }
}

/* ── Pages ────────────────────────────────────────────────────────────────── */
.page { display: none; }
.page.active { display: block; }

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 12px;
}
.page-header h1 { font-size: 24px; font-weight: 800; letter-spacing: -0.02em; }
.header-meta { display: flex; gap: 8px; align-items: center; }

/* ── Badges ───────────────────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 99px;
  font-size: 11px;
  font-weight: 600;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-secondary);
}
.paper-badge { background: rgba(168,85,247,0.12); border-color: rgba(168,85,247,0.3); color: var(--purple); }
.timestamp-badge { font-family: 'JetBrains Mono', monospace; font-size: 11px; }
.strategy-badge { background: rgba(20,184,166,0.12); border-color: rgba(20,184,166,0.35); color: #2dd4bf; font-size: 10px; letter-spacing: 0.03em; padding: 3px 8px; }
.strategy-badge-maxmin { background: rgba(59, 130, 246, 0.15); border-color: rgba(59, 130, 246, 0.35); color: #60a5fa; }
.strategy-badge-options { background: rgba(168, 85, 247, 0.15); border-color: rgba(168, 85, 247, 0.35); color: #c084fc; }

/* ── Market Bar ───────────────────────────────────────────────────────────── */
.market-bar {
  display: flex;
  gap: 0;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 24px;
  margin-bottom: 24px;
  overflow: hidden;
}
.market-stat {
  display: flex; flex-direction: column; gap: 4px;
  padding: 0 24px;
  border-right: 1px solid var(--border);
}
.market-stat:first-child { padding-left: 0; }
.market-stat:last-child { border-right: none; }
.stat-label { font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-muted); font-weight: 600; }
.stat-value { font-size: 20px; font-weight: 700; font-family: 'JetBrains Mono', monospace; color: var(--text-primary); }
.nifty-price { font-size: 26px; color: var(--accent); }

/* ── Cards ────────────────────────────────────────────────────────────────── */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition);
}
.card:hover { transform: translateY(-2px); }
.card::before {
  content: ''; position: absolute;
  top: 0; left: 0; right: 0; height: 3px;
  background: var(--border-light);
}
.card-green::before { background: linear-gradient(90deg, var(--green), #34d399); }
.card-blue::before  { background: linear-gradient(90deg, var(--blue), var(--accent)); }
.card-purple::before{ background: linear-gradient(90deg, var(--purple), #ec4899); }
.card-orange::before{ background: linear-gradient(90deg, var(--orange), #f97316); }
.card-red::before   { background: linear-gradient(90deg, var(--red), #f97316); }

.card-label { font-size: 11px; text-transform: uppercase; letter-spacing: 0.07em; color: var(--text-muted); font-weight: 600; margin-bottom: 8px; }
.card-value { font-size: 26px; font-weight: 800; font-family: 'JetBrains Mono', monospace; }
.card-sub { font-size: 11px; color: var(--text-muted); margin-top: 4px; }
.card-green .card-value { color: var(--green); }
.card-blue  .card-value { color: var(--blue); }
.card-purple .card-value { color: var(--purple); }
.card-orange .card-value { color: var(--orange); }
.card-red .card-value { color: var(--red); }

/* ── Section cards ────────────────────────────────────────────────────────── */
.section-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 24px;
  overflow: hidden;
}
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}
.section-header h2 { font-size: 15px; font-weight: 700; }

/* ── Tables ───────────────────────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.data-table th {
  background: var(--bg-card2);
  padding: 10px 14px;
  text-align: left;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  font-weight: 600;
  white-space: nowrap;
  border-bottom: 1px solid var(--border);
}
.data-table td {
  padding: 11px 14px;
  border-bottom: 1px solid rgba(30,45,69,0.5);
  color: var(--text-primary);
  white-space: nowrap;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
}
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: rgba(59,130,246,0.04); }
.no-data { text-align: center; color: var(--text-muted); font-family: 'Inter', sans-serif; padding: 32px !important; font-size: 13px; }

/* ── Value colours ────────────────────────────────────────────────────────── */
.pos { color: var(--green) !important; }
.neg { color: var(--red)   !important; }
.neutral { color: var(--text-secondary) !important; }

/* ── Buttons ──────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 9px 18px; border-radius: var(--radius-sm);
  font-size: 13px; font-weight: 600; cursor: pointer;
  border: none; transition: var(--transition);
  font-family: 'Inter', sans-serif;
}
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover { background: #2563eb; }
.btn-danger { background: var(--red); color: #fff; }
.btn-danger:hover { background: #dc2626; }
.btn-ghost { background: transparent; color: var(--text-secondary); border: 1px solid var(--border); }
.btn-ghost:hover { background: var(--bg-card2); color: var(--text-primary); }
.btn-sm { padding: 5px 12px; font-size: 12px; }

/* ── Forms ────────────────────────────────────────────────────────────────── */
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; padding: 20px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 12px; font-weight: 600; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.05em; }
.form-control {
  background: var(--bg-base); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 9px 12px;
  color: var(--text-primary); font-size: 13px; font-family: 'Inter', sans-serif;
  transition: border-color var(--transition);
}
.form-control:focus { outline: none; border-color: var(--blue); }
.form-actions { display: flex; gap: 10px; padding: 0 20px 20px; }

/* ── Filter buttons & date inputs ─────────────────────────────────────────── */
.filter-group { display: flex; gap: 6px; align-items: center; }
.filter-btn {
  padding: 4px 10px; border-radius: 6px; font-size: 11px; font-weight: 600;
  cursor: pointer; background: transparent; border: 1px solid var(--border);
  color: var(--text-muted); transition: var(--transition);
}
.filter-btn.active { background: rgba(59,130,246,0.15); color: var(--blue); border-color: rgba(59,130,246,0.3); }
.filter-date-input {
  background: var(--bg-surface);
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 4px 8px;
  font-size: 11px;
  font-family: 'JetBrains Mono', monospace;
  color-scheme: dark;
  cursor: pointer;
  transition: border-color var(--transition);
}
.filter-date-input:focus {
  outline: none;
  border-color: var(--blue);
}

/* ── Active run cards ─────────────────────────────────────────────────────── */
.run-card {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 20px; border-bottom: 1px solid var(--border);
}
.run-card:last-child { border-bottom: none; }
.run-info { display: flex; flex-direction: column; gap: 4px; }
.run-name { font-weight: 700; font-size: 14px; }
.run-meta { font-size: 11px; color: var(--text-muted); font-family: 'JetBrains Mono', monospace; }
.run-badge { display: inline-flex; align-items: center; gap: 4px; padding: 3px 8px; border-radius: 99px; font-size: 11px; font-weight: 600; }
.run-badge.running { background: rgba(16,185,129,0.15); color: var(--green); border: 1px solid rgba(16,185,129,0.3); }

/* ── Scrollbar ────────────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-base); }
::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #334155; }

/* ── Status pill ──────────────────────────────────────────────────────────── */
.status-pill {
  display: inline-flex; align-items: center;
  padding: 2px 8px; border-radius: 99px; font-size: 11px; font-weight: 600;
}
.status-open   { background: rgba(59,130,246,0.12); color: var(--blue); }
.status-closed { background: rgba(148,163,184,0.1);  color: var(--text-muted); }
.status-win    { background: rgba(16,185,129,0.12); color: var(--green); }
.status-loss   { background: rgba(239,68,68,0.12);  color: var(--red); }

/* ── Chart Controls Bar ──────────────────────────────────────────────────── */
.chart-controls-bar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 14px 20px;
  margin-bottom: 24px;
}
.chart-controls-bar .filter-group {
  display: flex;
  align-items: center;
  gap: 8px;
}
.chart-controls-bar label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
}
.form-select-styled {
  background: var(--bg-base);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  color: var(--text-primary);
  font-size: 13px;
  font-family: 'Inter', sans-serif;
  cursor: pointer;
  min-width: 150px;
}
.form-select-styled:focus {
  outline: none;
  border-color: var(--blue);
}
.filter-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: auto;
}
.btn-group {
  display: inline-flex;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.btn-group .btn {
  border-radius: 0;
  border: none;
  background: var(--bg-base);
  color: var(--text-muted);
}
.btn-group .btn.active {
  background: rgba(59, 130, 246, 0.2);
  color: var(--blue);
  font-weight: 700;
}

/* ── Chart Card & Canvas ─────────────────────────────────────────────────── */
.chart-card {
  padding: 0;
  overflow: hidden;
}
.chart-card-header {
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  border-bottom: 1px solid var(--border);
}
.chart-title-area h2 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 2px;
}
.chart-subtitle {
  font-size: 12px;
  color: var(--text-muted);
  font-family: 'JetBrains Mono', monospace;
}
.chart-legend {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  font-size: 12px;
  color: var(--text-secondary);
}
.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.legend-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}
.legend-line {
  width: 14px;
  height: 2px;
  display: inline-block;
}
.legend-box {
  width: 12px;
  height: 10px;
  border-radius: 2px;
  display: inline-block;
}

.chart-container-wrapper {
  position: relative;
  width: 100%;
  background: #080c14;
  padding: 16px 20px 20px 20px;
}
.chart-canvas-container {
  position: relative;
  width: 100%;
  height: 480px;
  cursor: crosshair;
}
#spot-chart-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

/* ── Chart Tooltip ───────────────────────────────────────────────────────── */
.chart-tooltip {
  position: absolute;
  pointer-events: none;
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 8px;
  padding: 10px 14px;
  color: #fff;
  font-size: 12px;
  font-family: 'JetBrains Mono', monospace;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
  z-index: 50;
  min-width: 180px;
  transform: translate(-50%, -120%);
  transition: opacity 0.1s ease;
}
.tooltip-title {
  font-weight: 700;
  color: var(--blue);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding-bottom: 4px;
  margin-bottom: 6px;
}
.tooltip-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 3px;
  color: var(--text-secondary);
}
.tooltip-row span.val {
  font-weight: 600;
  color: #fff;
}
.tooltip-trade-badge {
  margin-top: 8px;
  padding: 6px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 700;
}
.tooltip-trade-entry {
  background: rgba(34, 197, 94, 0.2);
  border: 1px solid rgba(34, 197, 94, 0.5);
  color: #4ade80;
}
.tooltip-trade-exit {
  background: rgba(239, 68, 68, 0.2);
  border: 1px solid rgba(239, 68, 68, 0.5);
  color: #f87171;
}

/* ── Strategy Analysis Page ──────────────────────────────────────────────── */
.strategy-analysis-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
  gap: 20px;
  margin-bottom: 24px;
}

.strategy-panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
  transition: transform 0.2s ease, border-color 0.2s ease;
}
.strategy-panel:hover {
  transform: translateY(-2px);
  border-color: rgba(59, 130, 246, 0.4);
}
.strategy-panel::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
}
.strategy-panel-maxmin::before {
  background: linear-gradient(90deg, #3b82f6, #06b6d4);
}
.strategy-panel-options::before {
  background: linear-gradient(90deg, #8b5cf6, #ec4899);
}

.strategy-panel-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}
.strategy-panel-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}
.strategy-panel-desc {
  font-size: 12px;
  color: var(--text-muted);
}
.strategy-panel-badges {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}

.strategy-stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 16px;
}
.strategy-stat-tile {
  background: var(--bg-card2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
}
.strategy-stat-tile.hero-tile {
  grid-column: span 2;
  background: rgba(15, 23, 42, 0.6);
  border-color: rgba(255, 255, 255, 0.08);
}
.strategy-stat-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: 6px;
  display: flex;
  justify-content: space-between;
}
.strategy-stat-value {
  font-size: 20px;
  font-weight: 800;
  font-family: 'JetBrains Mono', monospace;
}
.strategy-stat-value.large {
  font-size: 28px;
}
.strategy-stat-sub {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 4px;
}

.header-left-group {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.filter-tabs {
  display: flex;
  background: var(--bg-card2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 3px;
  gap: 2px;
}
.tab-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s ease;
}
.tab-btn:hover {
  color: var(--text-primary);
}
.tab-btn.active {
  background: var(--blue);
  color: #fff;
  box-shadow: 0 2px 8px rgba(59, 130, 246, 0.4);
}

.filter-group-inline {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-muted);
}