/* ==========================================================================
   Stock Analysis App — Stylesheet
   Dark financial-terminal theme inspired by professional trading platforms.
   ========================================================================== */

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

:root {
  --bg-page:       #111827;
  --bg-card:       #1a2236;
  --bg-header:     #0d1525;
  --bg-input:      #0f1923;
  --bg-table-row:  #1e2d47;
  --bg-table-alt:  #162038;
  --bg-modal:      #192133;

  --border:        #2a3f5f;
  --border-light:  #3a5070;

  --text-primary:  #e8edf5;
  --text-secondary:#8fa3c0;
  --text-muted:    #5a7090;

  --gold:          #f0a832;
  --gold-light:    #f8c060;
  --green:         #22c55e;
  --green-dark:    #16a34a;
  --red:           #ef4444;
  --red-dark:      #b91c1c;
  --blue:          #3b82f6;
  --teal:          #14b8a6;

  --radius:        6px;
  --radius-lg:     10px;
  --shadow:        0 4px 16px rgba(0,0,0,0.5);
}

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

/* ---- Typography ---- */
h1, h2, h3 { font-weight: 700; }
h1 { font-size: 1.5rem; color: var(--gold); letter-spacing: 1px; }
h2 { font-size: 1.1rem; color: var(--gold-light); }
h3 { font-size: 0.95rem; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.5px; }

/* ---- Layout ---- */
.app-wrapper { display: flex; flex-direction: column; min-height: 100vh; }

header {
  background: var(--bg-header);
  border-bottom: 1px solid var(--border);
  padding: 10px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 100;
}
header h1 { margin: 0; }
.header-subtitle { font-size: 0.75rem; color: var(--text-muted); }

.main-layout {
  display: flex;
  flex: 1;
  gap: 0;
  overflow: hidden;
}

/* ---- Controls Bar ---- */
.controls-bar {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  padding: 10px 16px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.control-group {
  display: flex;
  align-items: center;
  gap: 6px;
}
.control-group label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  white-space: nowrap;
}

input[type="text"], input[type="date"], input[type="number"], select {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  padding: 5px 8px;
  font-size: 0.85rem;
  outline: none;
  transition: border-color 0.15s;
}
input[type="text"]:focus, input[type="date"]:focus,
input[type="number"]:focus, select:focus {
  border-color: var(--blue);
}
input[type="text"] { width: 90px; }
input[type="date"] { width: 130px; }
input[type="number"].short { width: 70px; }
select { cursor: pointer; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 6px 14px;
  border-radius: var(--radius);
  border: none;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: filter 0.15s, transform 0.1s;
  white-space: nowrap;
}
.btn:hover { filter: brightness(1.15); }
.btn:active { transform: scale(0.97); }

.btn-primary   { background: var(--blue);       color: #fff; }
.btn-success   { background: var(--green);      color: #fff; }
.btn-danger    { background: var(--red);        color: #fff; }
.btn-gold      { background: var(--gold);       color: #111; }
.btn-secondary { background: var(--border);     color: var(--text-primary); }
.btn-sm        { padding: 3px 9px; font-size: 0.78rem; }
.btn-icon      { padding: 4px 6px; }

/* ---- Left Pane: Chart ---- */
.chart-pane {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-width: 0;
}

#chart-container {
  flex: 1;
  min-height: 400px;
  background: var(--bg-card);
}

/* ---- Right Pane: Indicator Panel ---- */
.indicator-pane {
  width: 280px;
  min-width: 240px;
  background: var(--bg-card);
  border-left: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.pane-header {
  background: var(--bg-header);
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.indicator-list {
  flex: 1;
  overflow-y: auto;
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

/* ---- Indicator Card (in active list) ---- */
.indicator-card {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 7px 10px;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: border-color 0.15s;
}
.indicator-card:hover { border-color: var(--border-light); }

.ind-color-swatch {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  flex-shrink: 0;
  border: 1px solid rgba(255,255,255,0.2);
  cursor: pointer;
}

.ind-info { flex: 1; min-width: 0; }
.ind-name  { font-weight: 600; font-size: 0.82rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ind-params{ font-size: 0.72rem; color: var(--text-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.ind-actions { display: flex; gap: 4px; }

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

/* ---- Strategy & Results Section ---- */
.results-section {
  background: var(--bg-card);
  border-top: 2px solid var(--border);
  padding: 16px 20px;
}

.strategy-controls {
  display: flex;
  align-items: flex-end;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.strategy-controls .control-group { flex-wrap: wrap; }

/* ---- Metrics Table (always visible) ---- */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 8px;
  margin-bottom: 12px;
}

.metric-card {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 14px;
}
.metric-label { font-size: 0.72rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.4px; }
.metric-value { font-size: 1.1rem; font-weight: 700; margin-top: 2px; }
.metric-pos   { color: var(--green); }
.metric-neg   { color: var(--red); }
.metric-neutral { color: var(--text-primary); }

/* ---- Benchmark row ---- */
.benchmark-row {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}
.benchmark-card {
  background: #1a2e1e;
  border: 1px solid #2a4a35;
  border-radius: var(--radius);
  padding: 8px 14px;
  flex: 1;
  min-width: 200px;
}
.benchmark-card.worse { background: #2e1a1a; border-color: #4a2a2a; }
.benchmark-label { font-size: 0.72rem; color: var(--text-muted); }
.benchmark-value { font-size: 0.95rem; font-weight: 700; color: var(--text-primary); }

/* ---- Trade History Toggle ---- */
.trade-history-header {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  user-select: none;
  padding: 8px 0 6px;
  border-top: 1px solid var(--border);
}
.trade-history-header h2 { flex: 1; }
.toggle-arrow {
  font-size: 1.2rem;
  color: var(--text-secondary);
  transition: transform 0.2s;
  display: inline-block;
}
.toggle-arrow.open { transform: rotate(180deg); }

/* ---- Trade Table ---- */
.trade-table-wrapper {
  overflow-x: auto;
  margin-top: 4px;
}
.trade-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
}
.trade-table th {
  background: var(--green-dark);
  color: #fff;
  padding: 8px 12px;
  text-align: left;
  font-weight: 600;
  white-space: nowrap;
}
.trade-table td {
  padding: 7px 12px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.trade-table tr:nth-child(even) td { background: var(--bg-table-alt); }
.trade-table tr:nth-child(odd)  td { background: var(--bg-table-row); }
.trade-table tr:hover td { background: #253550; }
.profit-pos { color: var(--green); font-weight: 600; }
.profit-neg { color: var(--red);   font-weight: 600; }

/* ---- Exit Type Badges (trade table Exit column) ---- */
.exit-badge {
  display: inline-block;
  padding: 2px 7px;
  border-radius: 4px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  white-space: nowrap;
}
.badge-tp   { background: rgba(34,197,94,0.18);  color: #22c55e; }  /* green — take profit */
.badge-sl   { background: rgba(249,115,22,0.18); color: #f97316; }  /* orange — stop loss  */
.badge-ma   { background: rgba(100,116,139,0.25); color: #94a3b8; } /* grey  — MA exit     */
.badge-open { background: rgba(96,165,250,0.18); color: #60a5fa; }  /* blue  — still open  */

/* ---- Modal (Add Indicator) ---- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
}
.modal-overlay.visible { opacity: 1; pointer-events: all; }

.modal {
  background: var(--bg-modal);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  width: 520px;
  max-width: 95vw;
  max-height: 90vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow);
  transform: scale(0.95);
  transition: transform 0.2s;
}
.modal-overlay.visible .modal { transform: scale(1); }

.modal-header {
  background: var(--bg-header);
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-body {
  padding: 16px 18px;
  overflow-y: auto;
  flex: 1;
}

.modal-footer {
  padding: 12px 18px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

/* ---- Category tabs in modal ---- */
.category-tabs {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}
.cat-tab {
  padding: 4px 12px;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: var(--bg-input);
  color: var(--text-secondary);
  font-size: 0.78rem;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.cat-tab.active, .cat-tab:hover {
  background: var(--blue);
  color: #fff;
  border-color: var(--blue);
}

/* ---- Indicator picker grid ---- */
.indicator-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 6px;
  margin-bottom: 14px;
}
.ind-pick-btn {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px 10px;
  cursor: pointer;
  text-align: left;
  transition: border-color 0.15s, background 0.15s;
  color: var(--text-primary);
}
.ind-pick-btn:hover, .ind-pick-btn.selected {
  background: #1e3a5a;
  border-color: var(--blue);
}
.ind-pick-name { font-weight: 600; font-size: 0.82rem; }
.ind-pick-desc { font-size: 0.7rem; color: var(--text-muted); margin-top: 2px; }

/* ---- Param form inside modal ---- */
.param-form { border-top: 1px solid var(--border); padding-top: 14px; margin-top: 4px; }
.param-row {
  display: flex;
  align-items: center;
  margin-bottom: 10px;
  gap: 10px;
}
.param-row label {
  width: 140px;
  flex-shrink: 0;
  font-size: 0.82rem;
  color: var(--text-secondary);
}
.param-row input, .param-row select { flex: 1; }
.color-row { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.color-row label { width: 140px; font-size: 0.82rem; color: var(--text-secondary); }
.color-swatches { display: flex; gap: 6px; flex-wrap: wrap; }
.color-swatch-pick {
  width: 24px; height: 24px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  transition: border-color 0.15s, transform 0.1s;
}
.color-swatch-pick.selected { border-color: #fff; transform: scale(1.2); }

/* ---- Spinner / loading state ---- */
.spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid var(--border);
  border-top-color: var(--blue);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  vertical-align: middle;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---- Status bar ---- */
#status-bar {
  padding: 4px 12px;
  font-size: 0.75rem;
  background: var(--bg-header);
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  min-height: 24px;
}
#status-bar.error { color: var(--red); }
#status-bar.success { color: var(--green); }

/* ---- Strategy param panel ---- */
.strategy-params-panel {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 16px;
  margin-bottom: 14px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 10px;
}
.strategy-param-field label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 3px;
}
.strategy-param-field input,
.strategy-param-field select {
  width: 100%;
}

/* ---- Empty state ---- */
.empty-state {
  text-align: center;
  color: var(--text-muted);
  padding: 20px 10px;
  font-size: 0.82rem;
}

/* ---- Responsive collapse for smaller screens ---- */
@media (max-width: 900px) {
  .main-layout { flex-direction: column; }
  .indicator-pane { width: 100%; border-left: none; border-top: 1px solid var(--border); max-height: 300px; }
}