/* ============================================================
   STOCK ANALYZER — Carbon Dark Theme
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600;700&display=swap');

:root {
  /* Carbon fiber palette */
  --carbon-1:      #0a0a0a;
  --carbon-2:      #111111;
  --carbon-3:      #1a1a1a;
  --carbon-4:      #242424;
  --carbon-5:      #2e2e2e;
  --carbon-6:      #3a3a3a;

  /* Accents */
  --green:         #00d084;
  --green-dim:     rgba(0, 208, 132, 0.12);
  --green-glow:    rgba(0, 208, 132, 0.25);
  --red:           #ff4560;
  --red-dim:       rgba(255, 69, 96, 0.12);
  --gold:          #f5c842;
  --blue:          #4dabf7;
  --purple:        #b388ff;
  --cyan:          #00e5ff;

  /* Text */
  --text-1:        #f0f0f0;
  --text-2:        #a0a0a0;
  --text-3:        #5a5a5a;
  --text-4:        #3a3a3a;

  /* Borders */
  --border-1:      rgba(255,255,255,0.06);
  --border-2:      rgba(255,255,255,0.10);
  --border-accent: rgba(0, 208, 132, 0.3);

  /* Typography */
  --font-ui:       'Inter', system-ui, sans-serif;
  --font-mono:     'JetBrains Mono', 'Courier New', monospace;

  /* Layout */
  --ticker-h:      36px;
  --header-h:      52px;
  --sidebar-w:     240px;
  --radius:        6px;
  --radius-lg:     10px;
}

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

html, body {
  height: 100%;
  background: var(--carbon-1);
  color: var(--text-1);
  font-family: var(--font-ui);
  font-size: 13px;
  line-height: 1.5;
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ============================================================
   CARBON FIBER TEXTURE (SVG background on panels)
   ============================================================ */

.carbon-bg {
  background-color: var(--carbon-2);
  background-image:
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 2px,
      rgba(255,255,255,0.015) 2px,
      rgba(255,255,255,0.015) 4px
    ),
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 2px,
      rgba(255,255,255,0.015) 2px,
      rgba(255,255,255,0.015) 4px
    );
}

/* ============================================================
   SCROLLING TICKER TAPE
   ============================================================ */

#ticker-tape {
  height: var(--ticker-h);
  background: var(--carbon-2);
  border-bottom: 1px solid var(--border-1);
  display: flex;
  align-items: center;
  overflow: hidden;
  position: relative;
  flex-shrink: 0;
}

#ticker-tape::before,
#ticker-tape::after {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  width: 60px;
  z-index: 10;
  pointer-events: none;
}
#ticker-tape::before {
  left: 0;
  background: linear-gradient(to right, var(--carbon-2), transparent);
}
#ticker-tape::after {
  right: 0;
  background: linear-gradient(to left, var(--carbon-2), transparent);
}

.ticker-inner {
  display: flex;
  gap: 0;
  white-space: nowrap;
  animation: ticker-scroll 90s linear infinite;
  will-change: transform;
}

.ticker-inner:hover { animation-play-state: paused; }

@keyframes ticker-scroll {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.ticker-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0 20px;
  border-right: 1px solid var(--border-1);
  cursor: pointer;
  transition: background 0.15s;
}

.ticker-item:hover { background: var(--carbon-3); }

.ticker-sym {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--text-2);
  letter-spacing: 0.05em;
}

.ticker-price {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--text-1);
}

.ticker-chg {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
}

.ticker-chg.up   { color: var(--green); }
.ticker-chg.down { color: var(--red); }

/* ============================================================
   HEADER
   ============================================================ */

#app-header {
  height: var(--header-h);
  background: var(--carbon-2);
  border-bottom: 1px solid var(--border-1);
  display: flex;
  align-items: center;
  padding: 0 16px;
  gap: 20px;
  flex-shrink: 0;
  position: relative;
  z-index: 50;
}

.logo-mark {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.logo-icon {
  width: 28px;
  height: 28px;
  background: linear-gradient(135deg, var(--green), #00a86b);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 800;
  color: #000;
  font-family: var(--font-mono);
  flex-shrink: 0;
}

.logo-text {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--text-1);
  letter-spacing: 0.08em;
}

/* Nav pills */
.nav-pills {
  display: flex;
  gap: 4px;
  background: var(--carbon-3);
  border: 1px solid var(--border-1);
  border-radius: 8px;
  padding: 3px;
}

.nav-pill {
  background: none;
  border: none;
  color: var(--text-3);
  padding: 5px 16px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
  font-family: var(--font-ui);
  letter-spacing: 0.04em;
  transition: all 0.15s;
  white-space: nowrap;
}

.nav-pill:hover { color: var(--text-2); background: var(--carbon-4); }

.nav-pill.active {
  background: var(--carbon-5);
  color: var(--text-1);
  box-shadow: 0 1px 3px rgba(0,0,0,0.4);
}

/* Clock and market status */
.header-right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 16px;
}

.market-clock {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 1px;
}

.clock-time {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--text-1);
  letter-spacing: 0.05em;
}

.clock-sub {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.06em;
}

.market-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.market-status-pill.open {
  background: var(--green-dim);
  border: 1px solid var(--border-accent);
  color: var(--green);
}

.market-status-pill.closed {
  background: rgba(255,69,96,0.1);
  border: 1px solid rgba(255,69,96,0.25);
  color: var(--red);
}

.status-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}

.status-dot.open  { background: var(--green); animation: pulse-green 2s infinite; }
.status-dot.closed { background: var(--red); }

@keyframes pulse-green {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(0.8); }
}

/* ============================================================
   MAIN LAYOUT
   ============================================================ */

#app {
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

.body-layout {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* ============================================================
   LEFT SIDEBAR
   ============================================================ */

#sidebar {
  width: var(--sidebar-w);
  background: var(--carbon-2);
  border-right: 1px solid var(--border-1);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  overflow: hidden;
}

.sidebar-section {
  padding: 12px 10px 6px;
}

.sidebar-label {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-3);
  padding: 0 6px;
  margin-bottom: 6px;
}

.btn-new-wl {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--green-dim);
  border: 1px solid var(--border-accent);
  color: var(--green);
  padding: 7px 10px;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
  font-family: var(--font-ui);
  transition: all 0.15s;
  letter-spacing: 0.02em;
}

.btn-new-wl:hover {
  background: rgba(0, 208, 132, 0.2);
  border-color: var(--green);
}

.btn-new-wl .plus { font-size: 16px; line-height: 1; }

#watchlist-nav {
  flex: 1;
  overflow-y: auto;
  padding: 4px 10px 10px;
}

.wl-nav-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.12s;
  margin-bottom: 2px;
  border: 1px solid transparent;
}

.wl-nav-item:hover {
  background: var(--carbon-3);
  border-color: var(--border-1);
}

.wl-nav-item.active {
  background: var(--green-dim);
  border-color: var(--border-accent);
}

.wl-nav-icon {
  width: 20px; height: 20px;
  border-radius: 4px;
  background: var(--carbon-4);
  display: flex; align-items: center; justify-content: center;
  font-size: 10px;
  flex-shrink: 0;
}

.wl-nav-item.active .wl-nav-icon {
  background: var(--green-dim);
}

.wl-nav-name {
  flex: 1;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-2);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.wl-nav-item.active .wl-nav-name { color: var(--green); }

.wl-nav-badge {
  font-size: 9px;
  font-family: var(--font-mono);
  color: var(--text-3);
  background: var(--carbon-4);
  padding: 1px 5px;
  border-radius: 3px;
}

.wl-nav-item.active .wl-nav-badge {
  background: rgba(0,208,132,0.15);
  color: var(--green);
}

.btn-del-wl {
  background: none; border: none;
  color: var(--text-3);
  cursor: pointer;
  padding: 2px 4px;
  border-radius: 3px;
  font-size: 14px;
  opacity: 0;
  line-height: 1;
  transition: opacity 0.12s, color 0.12s;
}

.wl-nav-item:hover .btn-del-wl { opacity: 1; }
.btn-del-wl:hover { color: var(--red); }

/* Sidebar divider */
.sidebar-divider {
  height: 1px;
  background: var(--border-1);
  margin: 6px 10px;
}

/* ============================================================
   NEWS FEED (right sidebar)
   ============================================================ */

#news-panel {
  width: 280px;
  background: var(--carbon-2);
  border-left: 1px solid var(--border-1);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  overflow: hidden;
}

.news-header {
  padding: 12px 14px 8px;
  border-bottom: 1px solid var(--border-1);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.news-header-title {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-3);
}

.news-filter-pills {
  display: flex;
  gap: 4px;
}

.news-filter-btn {
  background: none;
  border: 1px solid var(--border-1);
  color: var(--text-3);
  padding: 2px 8px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.06em;
  transition: all 0.12s;
}

.news-filter-btn.active {
  border-color: var(--border-accent);
  color: var(--green);
  background: var(--green-dim);
}

#news-feed {
  flex: 1;
  overflow-y: auto;
  padding: 8px 0;
}

.news-item {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-1);
  cursor: pointer;
  transition: background 0.12s;
  text-decoration: none;
  display: block;
}

.news-item:hover { background: var(--carbon-3); }

.news-item-source {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 4px;
}

.news-item-title {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-1);
  line-height: 1.4;
  margin-bottom: 4px;
}

.news-item-tickers {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}

.news-ticker-pill {
  font-size: 9px;
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--blue);
  background: rgba(77, 171, 247, 0.1);
  padding: 1px 5px;
  border-radius: 3px;
}

.news-item-time {
  font-size: 9px;
  color: var(--text-3);
  margin-top: 4px;
}

/* ============================================================
   MAIN CONTENT
   ============================================================ */

#main-content {
  flex: 1;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  background: var(--carbon-1);
}

.view { display: none; flex: 1; flex-direction: column; overflow: hidden; }
.view.active { display: flex; }

/* ============================================================
   DASHBOARD / HOME VIEW
   ============================================================ */

#view-dashboard {
  overflow-y: auto;
  padding: 20px;
  gap: 20px;
  background: var(--carbon-1);
}

.dashboard-section-label {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.dashboard-section-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border-1);
}

.tile-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 10px;
  margin-bottom: 20px;
}

.market-tile {
  background: var(--carbon-2);
  border: 1px solid var(--border-1);
  border-radius: var(--radius-lg);
  padding: 14px;
  cursor: pointer;
  transition: all 0.15s;
  position: relative;
  overflow: hidden;
}

.market-tile::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.02) 0%, transparent 60%);
  pointer-events: none;
}

.market-tile:hover {
  border-color: var(--border-2);
  background: var(--carbon-3);
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

.market-tile.up:hover   { border-color: rgba(0,208,132,0.3); }
.market-tile.down:hover { border-color: rgba(255,69,96,0.3); }

.tile-sym {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--text-2);
  letter-spacing: 0.08em;
  margin-bottom: 2px;
}

.tile-name {
  font-size: 10px;
  color: var(--text-3);
  margin-bottom: 10px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.tile-price {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  color: var(--text-1);
  margin-bottom: 2px;
}

.tile-change {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  margin-bottom: 10px;
}

.tile-change.up   { color: var(--green); }
.tile-change.down { color: var(--red); }

.tile-sparkline {
  height: 40px;
  width: 100%;
}

.tile-sparkline canvas,
.tile-sparkline svg { width: 100%; height: 100%; }

/* ============================================================
   WATCHLIST VIEW
   ============================================================ */

.wl-toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  background: var(--carbon-2);
  border-bottom: 1px solid var(--border-1);
  flex-shrink: 0;
}

.wl-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-1);
}

.wl-type-pill {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: 10px;
  background: var(--carbon-4);
  color: var(--text-3);
  border: 1px solid var(--border-1);
}

.add-ticker-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}

.input-pill {
  background: var(--carbon-3);
  border: 1px solid var(--border-1);
  color: var(--text-1);
  padding: 5px 12px;
  border-radius: 20px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  outline: none;
  transition: all 0.15s;
  width: 90px;
}

.input-pill::placeholder { color: var(--text-3); font-weight: 400; }
.input-pill:focus {
  border-color: var(--border-accent);
  background: var(--carbon-4);
  box-shadow: 0 0 0 2px var(--green-glow);
}

.input-pill-date {
  background: var(--carbon-3);
  border: 1px solid var(--border-1);
  color: var(--text-2);
  padding: 5px 10px;
  border-radius: 20px;
  font-size: 12px;
  outline: none;
  transition: all 0.15s;
}

.input-pill-date:focus {
  border-color: var(--border-accent);
  box-shadow: 0 0 0 2px var(--green-glow);
}

.btn-add-ticker {
  background: var(--green);
  border: none;
  color: #000;
  padding: 6px 14px;
  border-radius: 20px;
  cursor: pointer;
  font-size: 11px;
  font-weight: 800;
  font-family: var(--font-ui);
  letter-spacing: 0.04em;
  transition: all 0.15s;
}

.btn-add-ticker:hover {
  background: #00f097;
  transform: translateY(-1px);
}

.btn-refresh-wl {
  background: none;
  border: 1px solid var(--border-1);
  color: var(--text-3);
  padding: 5px 10px;
  border-radius: 20px;
  cursor: pointer;
  font-size: 11px;
  font-weight: 600;
  transition: all 0.15s;
}

.btn-refresh-wl:hover { color: var(--text-1); border-color: var(--border-2); }

/* Table */
.table-wrap { flex: 1; overflow: auto; }

table.wl-table {
  width: 100%;
  border-collapse: collapse;
}

table.wl-table thead {
  position: sticky; top: 0; z-index: 10;
  background: var(--carbon-2);
}

table.wl-table th {
  padding: 8px 10px;
  text-align: right;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
  border-bottom: 1px solid var(--border-1);
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
}

table.wl-table th:first-child,
table.wl-table th:nth-child(2) { text-align: left; }
table.wl-table th:hover { color: var(--text-2); }

table.wl-table td {
  padding: 8px 10px;
  text-align: right;
  border-bottom: 1px solid var(--border-1);
  font-family: var(--font-mono);
  font-size: 12px;
  white-space: nowrap;
}

table.wl-table td:first-child,
table.wl-table td:nth-child(2) {
  text-align: left;
  font-family: var(--font-ui);
}

table.wl-table tbody tr {
  cursor: pointer;
  transition: background 0.1s;
}

table.wl-table tbody tr:hover { background: var(--carbon-2); }

.cell-symbol {
  font-family: var(--font-mono) !important;
  font-weight: 700 !important;
  color: var(--blue) !important;
  font-size: 13px !important;
}

.cell-name {
  color: var(--text-2);
  font-size: 11px;
  max-width: 130px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.up   { color: var(--green); }
.down { color: var(--red); }
.flat { color: var(--text-3); }

.date-edit {
  cursor: pointer;
  border-bottom: 1px dashed var(--text-3);
}
.date-edit:hover { color: var(--gold); border-bottom-color: var(--gold); }

.btn-rm {
  background: none; border: none;
  color: var(--text-3); cursor: pointer;
  padding: 2px 6px; border-radius: 3px;
  font-size: 14px; opacity: 0;
  transition: opacity 0.12s, color 0.12s;
}
tr:hover .btn-rm { opacity: 1; }
.btn-rm:hover { color: var(--red); }

/* Empty state */
.empty-state {
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  flex: 1; gap: 12px;
  color: var(--text-3); padding: 60px 20px;
}
.empty-icon { font-size: 32px; opacity: 0.4; }
.empty-state p { font-size: 13px; color: var(--text-3); }

/* ============================================================
   CHART VIEW
   ============================================================ */

.chart-toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  background: var(--carbon-2);
  border-bottom: 1px solid var(--border-1);
  flex-shrink: 0;
  flex-wrap: wrap;
}

.btn-back {
  background: var(--carbon-3);
  border: 1px solid var(--border-1);
  color: var(--text-2);
  padding: 5px 12px;
  border-radius: 20px;
  cursor: pointer;
  font-size: 11px;
  font-weight: 600;
  transition: all 0.15s;
}
.btn-back:hover { color: var(--text-1); border-color: var(--border-2); }

#chart-sym { font-family: var(--font-mono); font-size: 16px; font-weight: 800; }
#chart-price { font-family: var(--font-mono); font-size: 15px; font-weight: 700; }
#chart-chg { font-family: var(--font-mono); font-size: 12px; }

.period-group {
  display: flex;
  gap: 3px;
  background: var(--carbon-3);
  border: 1px solid var(--border-1);
  border-radius: 20px;
  padding: 3px;
  margin-left: auto;
}

.btn-period {
  background: none; border: none;
  color: var(--text-3);
  padding: 3px 10px; border-radius: 16px;
  cursor: pointer; font-size: 11px; font-weight: 700;
  font-family: var(--font-mono);
  transition: all 0.12s;
}
.btn-period:hover { color: var(--text-1); }
.btn-period.active {
  background: var(--carbon-5);
  color: var(--text-1);
  box-shadow: 0 1px 3px rgba(0,0,0,0.4);
}

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

.btn-ind {
  background: var(--carbon-3);
  border: 1px solid var(--border-1);
  color: var(--text-3);
  padding: 3px 9px; border-radius: 10px;
  cursor: pointer; font-size: 10px; font-weight: 700;
  font-family: var(--font-mono);
  transition: all 0.12s;
}
.btn-ind:hover { color: var(--text-2); }
.btn-ind.on {
  border-color: rgba(77,171,247,0.4);
  color: var(--blue);
  background: rgba(77,171,247,0.08);
}
.btn-ind.on[data-indicator="bb"] {
  border-color: var(--border-accent);
  color: var(--green);
  background: var(--green-dim);
}

#chart-sym-input {
  background: var(--carbon-3);
  border: 1px solid var(--border-1);
  color: var(--text-1);
  padding: 4px 12px;
  border-radius: 20px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  width: 90px;
  text-transform: uppercase;
  outline: none;
  transition: all 0.15s;
}
#chart-sym-input:focus {
  border-color: var(--border-accent);
  box-shadow: 0 0 0 2px var(--green-glow);
}

#chart-container {
  flex: 1;
  overflow: hidden;
  background: var(--carbon-1);
  display: flex;
  flex-direction: column;
}

/* ============================================================
   BACKTEST VIEW
   ============================================================ */

.bt-form {
  display: flex;
  align-items: flex-end;
  gap: 14px;
  padding: 14px 18px;
  background: var(--carbon-2);
  border-bottom: 1px solid var(--border-1);
  flex-shrink: 0;
  flex-wrap: wrap;
}

.form-field { display: flex; flex-direction: column; gap: 4px; }

.form-label {
  font-size: 9px; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--text-3);
}

.form-input {
  background: var(--carbon-3);
  border: 1px solid var(--border-1);
  color: var(--text-1);
  padding: 7px 12px;
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 13px;
  outline: none;
  transition: all 0.15s;
}
.form-input:focus {
  border-color: var(--border-accent);
  box-shadow: 0 0 0 2px var(--green-glow);
}
.form-input[name="symbol"] { width: 100px; text-transform: uppercase; }
.form-input[name="investment"] { width: 130px; }

.btn-run {
  background: var(--green);
  border: none; color: #000;
  padding: 7px 22px; border-radius: var(--radius);
  cursor: pointer; font-size: 13px; font-weight: 800;
  font-family: var(--font-ui); letter-spacing: 0.03em;
  transition: all 0.15s;
}
.btn-run:hover { background: #00f097; transform: translateY(-1px); }
.btn-run:disabled { opacity: 0.4; cursor: not-allowed; transform: none; }

.bt-note {
  margin-left: auto;
  font-size: 10px;
  color: var(--text-3);
  max-width: 180px;
  line-height: 1.5;
}

/* Summary cards */
.bt-summary {
  display: flex;
  gap: 10px;
  padding: 12px 18px;
  background: var(--carbon-2);
  border-bottom: 1px solid var(--border-1);
  flex-shrink: 0;
  flex-wrap: wrap;
}

.sum-card {
  background: var(--carbon-3);
  border: 1px solid var(--border-1);
  border-radius: var(--radius);
  padding: 10px 14px;
  min-width: 110px;
}

.sum-label {
  font-size: 9px; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--text-3); margin-bottom: 4px;
}

.sum-value {
  font-family: var(--font-mono);
  font-size: 16px; font-weight: 700;
  color: var(--text-1);
}
.sum-value.up { color: var(--green); }
.sum-value.down { color: var(--red); }

/* Backtest table */
.bt-results { flex: 1; overflow: auto; }

table.bt-table { width: 100%; border-collapse: collapse; }

table.bt-table thead {
  position: sticky; top: 0; z-index: 10;
  background: var(--carbon-2);
}

table.bt-table th {
  padding: 8px 12px;
  text-align: right;
  font-size: 9px; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--text-3);
  border-bottom: 1px solid var(--border-1);
  white-space: nowrap;
}
table.bt-table th:first-child { text-align: center; }
table.bt-table th:nth-child(2),
table.bt-table th:nth-child(3) { text-align: left; }

table.bt-table td {
  padding: 7px 12px; text-align: right;
  border-bottom: 1px solid var(--border-1);
  font-family: var(--font-mono); font-size: 12px;
  white-space: nowrap;
}
table.bt-table td:first-child { text-align: center; }
table.bt-table td:nth-child(2),
table.bt-table td:nth-child(3) { text-align: left; font-family: var(--font-ui); }

table.bt-table tr.win  td { background: rgba(0,208,132,0.03); }
table.bt-table tr.loss td { background: rgba(255,69,96,0.03); }
table.bt-table tr.open td { background: rgba(245,200,66,0.03); }

.result-badge {
  padding: 2px 7px; border-radius: 3px;
  font-size: 9px; font-weight: 800;
  font-family: var(--font-mono); letter-spacing: 0.06em;
}
.result-badge.win  { background: var(--green-dim); color: var(--green); }
.result-badge.loss { background: var(--red-dim);   color: var(--red); }
.result-badge.open { background: rgba(245,200,66,0.12); color: var(--gold); }

/* ============================================================
   MODAL
   ============================================================ */

.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.75);
  display: flex; align-items: center; justify-content: center;
  z-index: 1000;
  backdrop-filter: blur(4px);
}
.modal-overlay.hidden { display: none; }

.modal {
  background: var(--carbon-3);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-lg);
  padding: 24px;
  min-width: 340px;
  max-width: 90vw;
  box-shadow: 0 20px 60px rgba(0,0,0,0.6);
}

.modal-title {
  font-size: 15px; font-weight: 700;
  color: var(--text-1); margin-bottom: 18px;
}

.modal-input {
  width: 100%;
  background: var(--carbon-2);
  border: 1px solid var(--border-1);
  color: var(--text-1);
  padding: 9px 14px;
  border-radius: var(--radius);
  font-size: 13px; margin-bottom: 12px;
  outline: none; transition: all 0.15s;
}
.modal-input:focus {
  border-color: var(--border-accent);
  box-shadow: 0 0 0 2px var(--green-glow);
}

.modal-type-row {
  display: flex; gap: 8px; margin-bottom: 16px;
}

.type-opt {
  flex: 1; padding: 10px 8px;
  border: 1px solid var(--border-1);
  border-radius: var(--radius);
  cursor: pointer; text-align: center;
  transition: all 0.15s;
}
.type-opt:hover { border-color: var(--border-2); }
.type-opt.selected {
  border-color: var(--border-accent);
  background: var(--green-dim);
}
.type-opt-name {
  font-size: 12px; font-weight: 700;
  color: var(--text-1); margin-bottom: 2px;
}
.type-opt.selected .type-opt-name { color: var(--green); }
.type-opt-desc {
  font-size: 10px; color: var(--text-3);
}

.modal-actions {
  display: flex; gap: 8px; justify-content: flex-end;
}

.btn-cancel {
  background: none;
  border: 1px solid var(--border-1);
  color: var(--text-2);
  padding: 7px 16px; border-radius: var(--radius);
  cursor: pointer; font-size: 13px; font-weight: 500;
  transition: all 0.15s;
}
.btn-cancel:hover { border-color: var(--border-2); color: var(--text-1); }

.btn-confirm {
  background: var(--green);
  border: none; color: #000;
  padding: 7px 20px; border-radius: var(--radius);
  cursor: pointer; font-size: 13px; font-weight: 800;
  transition: all 0.15s;
}
.btn-confirm:hover { background: #00f097; }

/* ============================================================
   TOAST
   ============================================================ */

#toast-container {
  position: fixed; bottom: 20px; right: 20px;
  z-index: 9999; display: flex;
  flex-direction: column; gap: 6px;
}

.toast {
  background: var(--carbon-4);
  border: 1px solid var(--border-2);
  border-radius: var(--radius);
  padding: 10px 16px;
  font-size: 12px; color: var(--text-1);
  animation: toast-in 0.2s ease;
  max-width: 280px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.4);
}
.toast.success { border-left: 3px solid var(--green); }
.toast.error   { border-left: 3px solid var(--red); }
.toast.info    { border-left: 3px solid var(--blue); }

@keyframes toast-in {
  from { transform: translateX(20px); opacity: 0; }
  to   { transform: translateX(0); opacity: 1; }
}

/* ============================================================
   LOADING
   ============================================================ */

.spinner {
  width: 18px; height: 18px;
  border: 2px solid var(--border-1);
  border-top-color: var(--green);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

.loading-state {
  display: flex; align-items: center; justify-content: center;
  flex: 1; flex-direction: column; gap: 12px;
  color: var(--text-3); font-size: 12px;
}

/* ============================================================
   SCROLLBARS
   ============================================================ */

::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--carbon-5); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--carbon-6); }

/* ============================================================
   NEWS PANEL TOGGLE
   ============================================================ */

.btn-news-toggle {
  background: none;
  border: 1px solid var(--border-1);
  color: var(--text-3);
  padding: 2px 7px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 700;
  line-height: 1;
  transition: all 0.15s;
  margin-left: 8px;
}
.btn-news-toggle:hover { color: var(--text-1); border-color: var(--border-2); }

.news-collapsed-tab {
  writing-mode: vertical-rl;
  text-orientation: mixed;
  width: 28px;
  background: var(--carbon-2);
  border-left: 1px solid var(--border-1);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-3);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  flex-shrink: 0;
  transition: all 0.15s;
}
.news-collapsed-tab:hover { background: var(--carbon-3); color: var(--text-2); }
.news-collapsed-tab.hidden { display: none; }

/* ============================================================
   FULLSCREEN CHART
   ============================================================ */

.btn-fullscreen {
  background: var(--carbon-3);
  border: 1px solid var(--border-1);
  color: var(--text-3);
  padding: 4px 9px;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 14px;
  line-height: 1;
  transition: all 0.15s;
}
.btn-fullscreen:hover { color: var(--text-1); border-color: var(--border-2); }

.chart-fullscreen {
  position: fixed !important;
  inset: 0 !important;
  z-index: 500 !important;
  display: flex !important;
  flex-direction: column !important;
  background: var(--carbon-1) !important;
  width: 100vw !important;
  height: 100vh !important;
}

.chart-fullscreen #chart-container {
  flex: 1 !important;
}

/* ============================================================
   OPTIONS CALCULATOR
   ============================================================ */

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

.options-inputs {
  width: 280px;
  flex-shrink: 0;
  background: var(--carbon-2);
  border-right: 1px solid var(--border-1);
  overflow-y: auto;
  padding: 14px 12px;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.options-results {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  background: var(--carbon-1);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.opt-section {
  margin-bottom: 16px;
  border-bottom: 1px solid var(--border-1);
  padding-bottom: 14px;
}

.opt-section:last-of-type { border-bottom: none; }

.opt-section-title {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.opt-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}

.opt-label {
  font-size: 11px;
  color: var(--text-3);
  white-space: nowrap;
  min-width: 90px;
}

.opt-input {
  background: var(--carbon-3);
  border: 1px solid var(--border-1);
  color: var(--text-1);
  padding: 5px 8px;
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 12px;
  outline: none;
  transition: border-color 0.15s;
  width: 100%;
}

.opt-input:focus { border-color: var(--border-accent); }
.opt-input.opt-sm { width: 80px; }
.opt-input.opt-xs { width: 52px; }

.opt-select {
  background: var(--carbon-3);
  border: 1px solid var(--border-1);
  color: var(--text-1);
  padding: 6px 8px;
  border-radius: var(--radius);
  font-size: 12px;
  outline: none;
  width: 100%;
  cursor: pointer;
}

.opt-btn-primary {
  background: var(--green);
  border: none;
  color: #000;
  padding: 9px 20px;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 13px;
  font-weight: 800;
  font-family: var(--font-ui);
  width: 100%;
  transition: all 0.15s;
  margin-top: 4px;
}
.opt-btn-primary:hover { background: #00f097; }
.opt-btn-primary:disabled { opacity: 0.4; cursor: not-allowed; }

.opt-btn-secondary {
  background: var(--carbon-4);
  border: 1px solid var(--border-1);
  color: var(--text-2);
  padding: 5px 10px;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 11px;
  font-weight: 600;
  white-space: nowrap;
  transition: all 0.15s;
}
.opt-btn-secondary:hover { border-color: var(--border-2); color: var(--text-1); }

.opt-toggle-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 400;
  color: var(--text-3);
  cursor: pointer;
  text-transform: none;
  letter-spacing: 0;
}

/* Legs */
.opt-leg {
  background: var(--carbon-3);
  border: 1px solid var(--border-1);
  border-radius: var(--radius);
  padding: 10px;
  margin-bottom: 8px;
}

.opt-leg-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.opt-leg-num {
  font-size: 10px;
  font-weight: 700;
  color: var(--blue);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.opt-leg-remove {
  background: none;
  border: none;
  color: var(--text-3);
  cursor: pointer;
  font-size: 16px;
  line-height: 1;
  padding: 0 4px;
  transition: color 0.12s;
}
.opt-leg-remove:hover { color: var(--red); }

.opt-leg-row {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 6px;
  flex-wrap: wrap;
}

/* Summary cards */
.opt-summary-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.opt-sum-card {
  background: var(--carbon-2);
  border: 1px solid var(--border-1);
  border-radius: var(--radius);
  padding: 12px 14px;
}

.opt-sum-label {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 6px;
}

.opt-sum-value {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  color: var(--text-1);
}

/* Greeks panel */
.opt-greeks-panel {
  background: var(--carbon-2);
  border: 1px solid var(--border-1);
  border-radius: var(--radius);
  padding: 14px;
}

.opt-greeks-title {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 12px;
}

.opt-greeks-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
}

.opt-greek-item {
  text-align: center;
}

.opt-greek-label {
  font-size: 10px;
  font-weight: 700;
  color: var(--text-3);
  letter-spacing: 0.08em;
  margin-bottom: 4px;
}

.opt-greek-value {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
  color: var(--text-1);
  margin-bottom: 2px;
}

.opt-greek-desc {
  font-size: 9px;
  color: var(--text-3);
}

/* IV Slider */
.opt-iv-slider {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--carbon-2);
  border: 1px solid var(--border-1);
  border-radius: var(--radius);
  padding: 10px 14px;
}

.opt-iv-slider input[type="range"] {
  flex: 1;
  accent-color: var(--blue);
}

/* Chart */
.opt-chart-title {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-3);
}

.opt-chart-wrap {
  background: var(--carbon-2);
  border: 1px solid var(--border-1);
  border-radius: var(--radius);
  padding: 10px;
  overflow: hidden;
}

.opt-chart-wrap canvas {
  display: block;
  width: 100%;
}

/* Per-leg Greeks table */
.opt-leg-greeks {
  background: var(--carbon-2);
  border: 1px solid var(--border-1);
  border-radius: var(--radius);
  padding: 14px;
  overflow: hidden;
}