/* app.css
 * Main application UI: header, tabs, inputs, results panel, rate tables. */

/* ---------- App layout ---------- */

.app {
  max-width: 1400px;
  margin: 0 auto;
  padding: 20px 24px 40px;
}

.hdr {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 0 20px;
  border-bottom: 1px solid var(--border-base);
  margin-bottom: 20px;
}
.hdr-logo { width: 56px; height: 56px; object-fit: contain; }
.hdr-title h1 { font-size: 22px; }
.hdr-title h1 span { color: var(--accent); }
.hdr-title p { color: var(--text-300); font-size: 12px; margin-top: 2px; }
.hdr-spacer { flex: 1; }
.hdr-logout {
  background: transparent;
  color: var(--text-300);
  border: 1px solid var(--border-base);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  cursor: pointer;
}
.hdr-logout:hover {
  color: var(--text-100);
  border-color: var(--border-focus);
}

/* ---------- Tab nav ---------- */

.tab-nav {
  display: flex;
  gap: 4px;
  background: var(--bg-800);
  padding: 4px;
  border-radius: var(--radius-md);
  margin-bottom: 20px;
  overflow-x: auto;
}
.tab {
  background: transparent;
  color: var(--text-300);
  border: none;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all .15s;
}
.tab:hover { color: var(--text-100); }
.tab.active {
  background: var(--primary);
  color: var(--text-100);
}

.screen { display: none; }
.screen.active { display: block; }

/* ---------- Layout: input panel + results panel ---------- */

.two-col {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 20px;
}
@media (max-width: 880px) {
  .two-col { grid-template-columns: 1fr; }
}

.panel {
  background: var(--surface);
  border: 1px solid var(--border-base);
  border-radius: var(--radius-md);
  padding: 20px;
}

.panel-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-200);
  text-transform: uppercase;
  letter-spacing: .5px;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-base);
}

/* ---------- Input rows ---------- */

.input-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 14px;
}
.input-row-inline {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 14px;
}
.input-row-inline > * { min-width: 0; }
.input-lbl {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-200);
  text-transform: uppercase;
  letter-spacing: .5px;
}
.input-lbl small { display: block; color: var(--text-400); text-transform: none; font-weight: 400; letter-spacing: 0; margin-top: 2px; }

.input-field {
  background: var(--bg-800);
  color: var(--text-100);
  border: 1px solid var(--border-base);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  font-size: 14px;
  font-family: inherit;
}
.input-field:focus { outline: none; border-color: var(--border-focus); }

.opt-group {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 1fr;
  gap: 4px;
  background: var(--bg-800);
  padding: 4px;
  border-radius: var(--radius-sm);
}
.opt-btn {
  background: transparent;
  color: var(--text-300);
  border: none;
  padding: 8px 6px;
  border-radius: calc(var(--radius-sm) - 2px);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all .15s;
}
.opt-btn:hover { color: var(--text-100); }
.opt-btn.active { background: var(--primary); color: var(--text-100); }

.btn-row {
  display: flex;
  gap: 8px;
  margin-top: 16px;
}
.btn-secondary {
  background: var(--bg-700);
  color: var(--text-200);
  border: 1px solid var(--border-base);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}
.btn-secondary:hover { background: var(--bg-600); color: var(--text-100); }

/* ---------- Results panel ---------- */

.results-top {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 12px;
  margin-bottom: 20px;
}
@media (max-width: 700px) {
  .results-top { grid-template-columns: 1fr; }
}

.rec-card {
  background: var(--bg-800);
  border: 1px solid var(--border-base);
  border-radius: var(--radius-md);
  padding: 16px;
  position: relative;
}
.rec-card.best {
  background: linear-gradient(135deg, var(--primary-dim), var(--primary));
  border-color: var(--accent);
}
.rec-card.best::before {
  content: 'RECOMMENDED';
  position: absolute;
  top: -9px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent-warm);
  color: var(--bg-900);
  padding: 2px 10px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1px;
  border-radius: 10px;
}
.rec-name {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-300);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
}
.rec-card.best .rec-name { color: var(--text-100); }
.rec-wp {
  font-size: 30px;
  font-weight: 700;
  color: var(--text-100);
  line-height: 1;
}
.rec-wp-lbl {
  font-size: 11px;
  color: var(--text-300);
  text-transform: uppercase;
  letter-spacing: .5px;
  margin-top: 4px;
}
.rec-card.best .rec-wp-lbl { color: var(--text-200); }

.rec-detail {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--border-base);
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-300);
}
.rec-card.best .rec-detail { border-top-color: rgba(255,255,255,0.2); color: var(--text-200); }
.rec-detail .muted { color: var(--text-400); }

/* ---------- Outcome table (go distribution, etc.) ---------- */

.outcome-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 12px;
  font-size: 12px;
}
.outcome-table th {
  background: var(--bg-800);
  color: var(--text-200);
  text-align: left;
  padding: 8px 10px;
  font-weight: 600;
  text-transform: uppercase;
  font-size: 10px;
  letter-spacing: .5px;
  border-bottom: 1px solid var(--border-base);
}
.outcome-table td {
  padding: 7px 10px;
  border-bottom: 1px solid var(--border-base);
}
.outcome-table tr:last-child td { border-bottom: none; }
.outcome-table .o-success { color: var(--success); }
.outcome-table .o-fail { color: var(--text-300); }
.outcome-table .o-td { color: var(--accent-warm); font-weight: 700; }

/* ---------- Rate tables (custom rates tab) ---------- */

.rate-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
@media (max-width: 880px) { .rate-grid { grid-template-columns: 1fr; } }

.rate-row {
  display: grid;
  grid-template-columns: 110px 1fr 24px 72px 18px;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}
.rate-lbl { font-size: 12px; color: var(--text-200); font-weight: 600; }
.rate-inp {
  background: var(--bg-800);
  color: var(--text-100);
  border: 1px solid var(--border-base);
  border-radius: var(--radius-sm);
  padding: 6px 8px;
  font-size: 13px;
  width: 100%;
}
.rate-unit { color: var(--text-300); font-size: 12px; }
.rate-meta { font-size: 10px; color: var(--text-400); grid-column: 3; }

.rate-n { font-size: 10px; color: var(--text-400); text-align: right; }

/* ---------- Note box ---------- */

.note {
  background: var(--bg-800);
  border-left: 3px solid var(--accent);
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  color: var(--text-200);
  line-height: 1.6;
}
.note strong { color: var(--text-100); }

/* ---------- Ctx bar ---------- */

.ctx-bar {
  background: var(--bg-800);
  border: 1px solid var(--border-base);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 12px;
  color: var(--text-300);
  margin-bottom: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
}
.ctx-bar strong { color: var(--accent); font-weight: 600; }

/* ---------- Play Success tab ---------- */

.ps-result {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 16px;
}
.ps-card {
  background: var(--bg-800);
  border: 1px solid var(--border-base);
  border-radius: var(--radius-md);
  padding: 16px;
  text-align: center;
}
.ps-card.best {
  background: linear-gradient(135deg, var(--primary-dim), var(--primary));
  border-color: var(--accent);
}
.ps-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-300);
  text-transform: uppercase;
  letter-spacing: 1px;
}
.ps-card.best .ps-label { color: var(--text-200); }
.ps-rate {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-100);
  margin: 6px 0;
}
.ps-samples {
  font-size: 11px;
  color: var(--text-400);
}

.ps-confidence {
  margin-top: 14px;
  text-align: center;
  font-size: 12px;
  color: var(--text-300);
}
.ps-confidence.high  { color: var(--success); }
.ps-confidence.medium { color: var(--warn); }
.ps-confidence.low    { color: var(--text-300); }