/* Low RSI Screener — Robinhood Design System styling (light theme).
   Tokens come from ds.css; this file implements the layout and the vanilla
   equivalents of the DS components (SegmentedControl, Switch, Button,
   Sparkline) used by the design mock. */

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

html, body {
  background: var(--bg-app);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  min-height: 100vh;
}
body { display: flex; flex-direction: column; }

/* ---------- header ---------- */
.app-header {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 32px;
  border-bottom: 1px solid var(--border-subtle);
}
.brand-mark { color: var(--slate-500); display: flex; }
.brand-title { flex: 1; }
.brand-title h1 {
  font-size: var(--fs-title-md);
  font-weight: var(--fw-bold);
  letter-spacing: var(--ls-tight);
}
.subtitle { font-size: var(--fs-body-sm); color: var(--text-secondary); margin-top: 2px; }

.status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: var(--fs-body-sm);
  color: var(--text-secondary);
  text-align: right;
}
.status .live-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--slate-500);
}
.status.scanning .live-dot { animation: pulse 1.4s infinite; }
@keyframes pulse { 50% { opacity: 0.3; } }

/* ---------- config bar ---------- */
.config-bar {
  display: flex;
  gap: 28px;
  align-items: flex-end;
  flex-wrap: wrap;
  padding: 18px 32px;
  border-bottom: 1px solid var(--border-subtle);
}
.field-label {
  font-size: var(--fs-caption);
  font-weight: var(--fw-semibold);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.field-label.inline { margin-bottom: 0; }
.pe-row { display: flex; align-items: center; gap: 8px; }
.pe-row .and { color: var(--text-tertiary); font-size: var(--fs-body-sm); }
.actions { display: flex; align-items: center; gap: 16px; }

/* number inputs */
.num {
  height: 40px;
  width: 76px;
  padding: 0 12px;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  background: var(--surface-card);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  font-variant-numeric: tabular-nums;
  outline: none;
  transition: border-color var(--dur-fast);
}
.num.wide { width: 120px; }
.num:focus { border-color: var(--focus-ring); }

/* info tooltip */
.info {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 14px; height: 14px;
  border-radius: 50%;
  border: 1px solid var(--text-tertiary);
  color: var(--text-tertiary);
  font-size: 9px;
  font-weight: 700;
  cursor: help;
  position: relative;
  text-transform: none;
}
.info .tip {
  display: none;
  position: absolute;
  bottom: 150%;
  left: 50%;
  transform: translateX(-50%);
  width: 240px;
  background: var(--rh-black);
  color: #fff;
  border-radius: var(--radius-md);
  padding: 10px 12px;
  font-size: var(--fs-caption);
  font-weight: var(--fw-regular);
  line-height: 1.5;
  letter-spacing: 0;
  text-transform: none;
  z-index: 30;
  box-shadow: var(--shadow-pop);
}
.info:hover .tip, .info:focus .tip { display: block; }

/* ---------- segmented control (pill) ---------- */
.seg {
  display: inline-flex;
  gap: 2px;
  padding: 3px;
  background: var(--bg-subtle);
  border-radius: var(--radius-pill);
}
.seg button {
  border: none;
  cursor: pointer;
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  background: transparent;
  font-family: var(--font-sans);
  font-size: var(--fs-body-sm);
  font-weight: var(--fw-semibold);
  color: var(--text-secondary);
  transition: all var(--dur-fast);
}
.seg button:hover { color: var(--text-primary); }
.seg button.active {
  background: var(--surface-card);
  box-shadow: var(--shadow-sm);
  color: var(--text-primary);
}

/* ---------- primary button (pill) ---------- */
.btn-primary {
  height: 40px;
  padding: 0 20px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--action-primary-bg);
  background: var(--action-primary-bg);
  color: var(--action-primary-fg);
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-tight);
  cursor: pointer;
  transition: transform var(--dur-fast) var(--ease-standard), opacity var(--dur-fast);
}
.btn-primary:active { transform: scale(0.97); }
.btn-primary:disabled { opacity: 0.4; cursor: wait; }

/* ---------- switch ---------- */
.sw {
  display: inline-flex;
  align-items: center;
  width: 44px; height: 26px;
  border-radius: var(--radius-pill);
  padding: 3px;
  background: var(--gray-200);
  cursor: pointer;
  transition: background var(--dur-base);
  flex: none;
}
.sw .knob {
  width: 20px; height: 20px;
  border-radius: 50%;
  background: #fff;
  box-shadow: var(--shadow-sm);
  transform: translateX(0);
  transition: transform var(--dur-base) var(--ease-out);
}
.sw.on { background: var(--brand-primary); }
.sw.on .knob { transform: translateX(18px); }

.auto-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: var(--fs-body-sm);
  color: var(--text-secondary);
  cursor: pointer;
}

/* ---------- progress ---------- */
.progress-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 32px;
}
.progress-bar {
  flex: 1;
  height: 6px;
  background: var(--bg-subtle);
  border-radius: var(--radius-pill);
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  width: 0%;
  background: var(--slate-500);
  border-radius: var(--radius-pill);
  transition: width 0.2s;
}
.progress-fill.indeterminate {
  width: 40%;
  animation: indeterminate 1.1s var(--ease-standard) infinite;
}
@keyframes indeterminate {
  0% { margin-left: -40%; }
  100% { margin-left: 100%; }
}
.progress-text { font-size: var(--fs-caption); color: var(--text-secondary); white-space: nowrap; }

/* ---------- workspace ---------- */
.workspace {
  display: grid;
  grid-template-columns: 360px 1fr;
  align-items: start;
  flex: 1;
}
.modes-aside {
  padding: 20px 22px;
  border-right: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.aside-head { display: flex; justify-content: space-between; align-items: center; }
.aside-title { font-weight: var(--fw-bold); font-size: var(--fs-title-sm); }
.aside-hint { font-size: var(--fs-caption); color: var(--text-tertiary); }
.match-row { display: flex; align-items: center; gap: 12px; }
.match-note { font-size: var(--fs-caption); color: var(--text-secondary); line-height: 1.5; margin-top: -2px; }

/* ---------- mode cards ---------- */
.mode-card {
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  background: var(--surface-card);
  overflow: hidden;
  transition: border-color var(--dur-base);
  margin-bottom: 12px;
}
.mode-card.on { border-color: var(--slate-300); }
.mode-head {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 16px;
  cursor: pointer;
}
.mode-head .sw { margin-top: 1px; pointer-events: none; }
.mode-headings { flex: 1; }
.mode-title-row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.mode-name { font-weight: var(--fw-bold); font-size: var(--fs-body-lg); white-space: nowrap; }
.mode-tag {
  font-size: 10px;
  font-weight: var(--fw-bold);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
  background: var(--bg-subtle);
  border-radius: var(--radius-pill);
  padding: 3px 9px;
}
.mode-short { font-size: var(--fs-body-sm); color: var(--text-secondary); margin-top: 4px; line-height: 1.45; }
.mode-body { padding: 0 16px 16px; border-top: 1px solid var(--border-subtle); }
.mode-long {
  font-size: var(--fs-body-sm);
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-subtle);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  margin: 14px 0;
}
.mode-params { display: flex; flex-wrap: wrap; gap: 12px 16px; }
.param { display: flex; flex-direction: column; gap: 6px; }
.param .param-label {
  font-size: var(--fs-caption);
  font-weight: var(--fw-semibold);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.param .num { width: 92px; }
.param.bool {
  flex-direction: row;
  align-items: center;
  gap: 8px;
  font-size: var(--fs-body-sm);
  color: var(--text-primary);
  cursor: pointer;
  align-self: end;
}

/* ---------- results table ---------- */
.results { padding: 20px 24px; overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: var(--fs-body-sm); }
thead th {
  text-align: left;
  padding: 11px 12px;
  font-size: var(--fs-caption);
  font-weight: var(--fw-bold);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-tertiary);
  cursor: pointer;
  white-space: nowrap;
  user-select: none;
  border-bottom: 1px solid var(--border-default);
}
thead th:hover { color: var(--text-secondary); }
thead th.sorted { color: var(--slate-500); }
th.num, td.num { text-align: right; }
tbody td { padding: 11px 12px; border-bottom: 1px solid var(--border-subtle); font-variant-numeric: tabular-nums; }
tbody tr:hover { background: var(--bg-subtle); }

.sym { font-weight: var(--fw-bold); color: var(--slate-500); }
.name-cell { color: var(--text-secondary); max-width: 170px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pos { color: var(--color-positive); font-weight: var(--fw-semibold); }
.neg { color: var(--color-negative); font-weight: var(--fw-semibold); }

.rsi-badge {
  display: inline-block;
  min-width: 50px;
  text-align: center;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  font-weight: var(--fw-bold);
  font-variant-numeric: tabular-nums;
}

.strength-track {
  display: inline-block;
  width: 56px; height: 6px;
  border-radius: 3px;
  background: var(--gray-150);
  overflow: hidden;
  vertical-align: middle;
}
.strength-fill { display: block; height: 100%; background: var(--slate-500); }

.signals { display: flex; gap: 4px; flex-wrap: wrap; }
.badge {
  font-size: 10.5px;
  font-weight: var(--fw-bold);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
}
.signal-detail { color: var(--text-secondary); font-size: var(--fs-caption); white-space: nowrap; }
.spark { display: block; }

/* ---------- empty + footer ---------- */
.empty { text-align: center; padding: 80px 0; color: var(--text-secondary); }
.empty-title { font-size: var(--fs-title-sm); font-weight: var(--fw-semibold); }
.empty-hint { font-size: var(--fs-body-sm); margin-top: 8px; opacity: 0.8; }

.app-footer {
  padding: 14px 32px;
  border-top: 1px solid var(--border-subtle);
  color: var(--text-tertiary);
  font-size: var(--fs-caption);
}

/* ---------- responsive ---------- */
@media (max-width: 1100px) {
  .workspace { grid-template-columns: 1fr; }
  .modes-aside { border-right: none; border-bottom: 1px solid var(--border-subtle); }
}
@media (max-width: 1280px) { .name-cell { display: none; } }
@media (max-width: 720px) {
  .app-header, .config-bar, .progress-wrap, .app-footer { padding-left: 16px; padding-right: 16px; }
  .config-bar { gap: 16px; }
}