:root {
  --bg: #0f1115;
  --panel: #171a21;
  --border: #2a2e3a;
  --text: #e8e9ed;
  --muted: #9aa0ac;
  --green: #3ddc97;
  --red: #ff6b6b;
  --accent: #5b8cff;
  --accent-contrast: #0b0d12;
  --danger-contrast: #1a0d0d;
  --shadow: 0 6px 20px rgba(0, 0, 0, 0.35);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
  --radius: 10px;
  --radius-sm: 6px;
}
/* Light theme — toggled via a data-theme attribute on <html> (see the inline
   script in <head>, which sets this before first paint to avoid a flash of
   the wrong theme). Colors are deliberately NOT just inverted brightness:
   green/red/accent are all deepened a bit here so text/icons in those colors
   stay readable against a white panel (a vibrant pastel that reads fine on
   near-black gets washed out on white). */
[data-theme="light"] {
  --bg: #f5f6f8;
  --panel: #ffffff;
  --border: #e2e5ea;
  --text: #171920;
  --muted: #6b7280;
  --green: #12946f;
  --red: #c0392b;
  --accent: #3860d6;
  --accent-contrast: #ffffff;
  --danger-contrast: #ffffff;
  --shadow: 0 6px 20px rgba(15, 23, 42, 0.1);
  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.08);
}
* { box-sizing: border-box; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  max-width: 960px;
  margin: 0 auto;
  padding: 24px 16px 64px;
  transition: background-color 0.15s ease, color 0.15s ease;
}
body, .stat, .modal-box, input, select, button, th, td, .chart-section svg, .ticker-suggestions, .theme-toggle {
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease, box-shadow 0.15s ease;
}

.theme-toggle {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 50;
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--muted);
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
}
.theme-toggle:hover { color: var(--accent); border-color: var(--accent); }
.theme-toggle .icon-moon { display: none; }
[data-theme="light"] .theme-toggle .icon-sun { display: none; }
[data-theme="light"] .theme-toggle .icon-moon { display: inline; }

header {
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 16px;
  padding-right: 44px; /* keep the title clear of the fixed theme toggle */
}
header h1 { flex: 1; }
h1 { margin: 0 0 4px; font-size: 1.6rem; font-weight: 700; letter-spacing: -0.01em; }
.asof { color: var(--muted); font-size: 0.85rem; margin: 0; }

.summary {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin: 20px 0;
}
.stat {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 14px 18px;
  flex: 1;
  min-width: 160px;
}
.stat .label { display: block; color: var(--muted); font-size: 0.8rem; }
.stat .value { display: block; font-size: 1.4rem; font-weight: 600; margin-top: 4px; }
.positive { color: var(--green); }
.negative { color: var(--red); }

section { margin: 32px 0; }
h2 { font-size: 1.05rem; font-weight: 600; border-bottom: 1px solid var(--border); padding-bottom: 10px; margin: 0 0 16px; }
h3 { font-size: 0.85rem; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.03em; }

.allocation-grid { display: flex; gap: 40px; flex-wrap: wrap; }
.allocation-grid ul { list-style: none; padding: 0; margin: 0; }
.allocation-grid li { display: flex; justify-content: space-between; gap: 24px; padding: 4px 0; border-bottom: 1px dashed var(--border); min-width: 200px; }

form { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
input, select, button {
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
}
button {
  background: var(--accent);
  border: none;
  color: var(--accent-contrast);
  font-weight: 600;
  cursor: pointer;
}
button:hover { opacity: 0.9; }
button:disabled { opacity: 0.55; cursor: not-allowed; }
input:focus-visible, select:focus-visible, button:focus-visible, th[data-sort]:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.form-error { color: var(--red); font-size: 0.85rem; min-height: 1.2em; }
.form-status { color: var(--green); font-size: 0.85rem; min-height: 1.2em; margin: 0; }

table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
th, td { text-align: left; padding: 10px; border-bottom: 1px solid var(--border); }
tbody tr { transition: background-color 0.1s ease; }
tbody tr:hover { background: var(--border); }
th { color: var(--muted); font-weight: 600; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.04em; }
th[data-sort] { cursor: pointer; user-select: none; white-space: nowrap; }
th[data-sort]:hover { color: var(--text); }
th[data-sort].sorted { color: var(--accent); }
th[data-sort] .sort-arrow { margin-left: 3px; font-size: 0.7rem; }

.holdings-search {
  width: 100%;
  max-width: 260px;
  margin-bottom: 10px;
  display: block;
}
.stale { color: var(--red); font-size: 0.75rem; margin-left: 6px; }
.nav-tag { color: var(--muted); font-size: 0.7rem; margin-left: 6px; border: 1px solid var(--border); border-radius: 4px; padding: 1px 4px; }
.del-btn, .edit-btn, .sell-btn, #cancelEditBtn, #cancelSellBtn { background: transparent; border: 1px solid var(--border); color: var(--muted); cursor: pointer; font-weight: 500; }
.del-btn:hover { color: var(--red); border-color: var(--red); }
.edit-btn:hover { color: var(--accent); border-color: var(--accent); }
.sell-btn:hover { color: var(--green); border-color: var(--green); }

footer { margin-top: 40px; color: var(--muted); font-size: 0.75rem; border-top: 1px solid var(--border); padding-top: 16px; }

@media (max-width: 600px) {
  form { flex-direction: column; align-items: stretch; }
  table { font-size: 0.78rem; }
}

.login-section {
  max-width: 360px;
  margin: 15vh auto 0;
  text-align: center;
}
.login-section form { flex-direction: column; align-items: stretch; }
.login-actions { display: flex; gap: 8px; }
.login-actions button[value="signup"] { background: transparent; border: 1px solid var(--accent); color: var(--accent); }
.login-hint { color: var(--muted); font-size: 0.8rem; margin-top: 16px; }

.oauth-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--border);
  font-weight: 500;
  padding: 9px 10px;
}
.oauth-btn:hover { border-color: var(--accent); opacity: 1; }

.login-divider {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-size: 0.78rem;
  margin: 16px 0;
}
.login-divider::before, .login-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--border);
}

.link-btn {
  background: none;
  border: none;
  color: var(--accent);
  font-weight: 500;
  font-size: 0.82rem;
  padding: 10px 0 0;
  cursor: pointer;
}
.link-btn:hover { text-decoration: underline; opacity: 1; }

.chart-range-buttons { display: flex; gap: 6px; margin-bottom: 10px; }
.chart-range-buttons button {
  font-size: 0.78rem;
  padding: 4px 12px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  font-weight: 500;
}
.chart-range-buttons button.active { background: var(--accent); color: var(--accent-contrast); border-color: var(--accent); }
.chart-range-buttons button:hover:not(.active) { color: var(--text); border-color: var(--text); }

.chart-wrap { position: relative; max-width: 900px; }
.chart-section svg {
  width: 100%;
  height: 260px;
  max-width: 900px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  cursor: crosshair;
}
.chart-tooltip {
  position: absolute;
  transform: translate(-50%, -125%);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
  padding: 5px 9px;
  font-size: 0.78rem;
  color: var(--text);
  white-space: nowrap;
  pointer-events: none;
  z-index: 5;
}
.chart-caption { color: var(--muted); font-size: 0.8rem; margin-top: 6px; }

.chart-legend { display: flex; gap: 18px; margin-top: 10px; flex-wrap: wrap; }
.chart-legend-item { display: inline-flex; align-items: center; gap: 6px; font-size: 0.78rem; color: var(--muted); }
.chart-legend-swatch { display: inline-block; width: 16px; height: 0; border-top-width: 2.5px; border-top-style: solid; }
.chart-legend-swatch.swatch-value { border-top-color: var(--text); }
.chart-legend-swatch.swatch-cost { border-top-color: var(--muted); border-top-style: dashed; border-top-width: 1.75px; }

.quick-actions { display: flex; align-items: center; gap: 10px; margin: 4px 0 24px; flex-wrap: wrap; }
.quick-actions button { font-size: 0.82rem; padding: 7px 14px; }
.quick-actions-status { color: var(--muted); font-size: 0.82rem; }
.quick-actions-status.positive { color: var(--green); }
.quick-actions-status.negative { color: var(--red); }

.holdings h2, .realized-gains h2 { display: flex; align-items: center; gap: 12px; }
.export-btn {
  font-size: 0.78rem;
  padding: 4px 10px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  font-weight: 500;
  margin-left: auto;
}
.export-btn:hover { color: var(--accent); border-color: var(--accent); opacity: 1; }

.ticker-search-wrap { position: relative; }
.ticker-suggestions {
  position: absolute;
  top: 100%;
  left: 0;
  z-index: 20;
  list-style: none;
  margin: 2px 0 0;
  padding: 4px;
  min-width: 260px;
  max-height: 260px;
  overflow-y: auto;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.ticker-suggestions li {
  padding: 6px 8px;
  border-radius: 5px;
  cursor: pointer;
  font-size: 0.85rem;
  display: flex;
  justify-content: space-between;
  gap: 10px;
}
.ticker-suggestions li:hover, .ticker-suggestions li.active { background: var(--border); }
.ticker-suggestions .sym { font-weight: 600; }
.ticker-suggestions .name { color: var(--muted); font-size: 0.78rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 160px; }

.portfolio-bar { display: flex; align-items: center; gap: 10px; margin: 20px 0 4px; flex-wrap: wrap; }
.portfolio-bar label { color: var(--muted); font-size: 0.85rem; }
.portfolio-bar-note { color: var(--muted); font-size: 0.78rem; margin: 0 0 20px; }
#renamePortfolioBtn, #deletePortfolioBtn, #newPortfolioBtn { font-size: 0.8rem; padding: 6px 10px; }

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 16px;
}
.modal-box {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 2px);
  padding: 20px 22px;
  max-width: 380px;
  width: 100%;
  box-shadow: var(--shadow);
}
.modal-box h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  text-transform: none;
  letter-spacing: normal;
}
.modal-box p { margin: 0 0 14px; color: var(--muted); font-size: 0.88rem; line-height: 1.4; }
.modal-box input { width: 100%; margin-bottom: 14px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 8px; }
.modal-actions .danger { background: var(--red); color: var(--danger-contrast); }
