:root {
  /* ===== Terminal (default) — amber phosphor on near-black ===== */
  --bg: #0a0d10;
  --bg-elevated: #10151a;
  --bg-card: #10151a;
  --border: #212a31;
  --text: #e7eef3;
  --text-dim: #7c8b96;
  --text-faint: #4d5960;
  --accent: #ffb000;
  --accent-dim: #3a2c05;
  --win: #57c285;
  --win-dim: #163524;
  --loss: #e5636b;
  --loss-dim: #3a1418;
  --warn: #ffb000;
  --on-accent: #1a1200;
  --on-win: #06281c;
  --on-loss: #2c0b0b;
  --radius: 6px;
  --radius-sm: 4px;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
  --font-display: ui-monospace, "SFMono-Regular", "JetBrains Mono", Menlo, Consolas, monospace;
  --font-body: ui-monospace, "SFMono-Regular", "JetBrains Mono", Menlo, Consolas, monospace;
  --font-mono: ui-monospace, "SFMono-Regular", "JetBrains Mono", Menlo, Consolas, monospace;
}

/* ===== Ledger — ruled paper, ink stamps, tabular figures ===== */
:root[data-theme="ledger"] {
  --bg: #e8ebe0;
  --bg-elevated: #f3f5ec;
  --bg-card: #f3f5ec;
  --border: #c7cdb9;
  --text: #20241f;
  --text-dim: #5c6355;
  --text-faint: #8b9280;
  --accent: #1f4b43;
  --accent-dim: #dbe4dc;
  --win: #1f4b43;
  --win-dim: #dbe4dc;
  --loss: #8c3630;
  --loss-dim: #f0dcd8;
  --warn: #8a5a1f;
  --on-accent: #f3f5ec;
  --on-win: #f3f5ec;
  --on-loss: #f3f5ec;
  --radius: 3px;
  --radius-sm: 2px;
  --shadow: none;
  --font-display: "Iowan Old Style", "Palatino Linotype", Georgia, "Times New Roman", serif;
  --font-body: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
}

/* ===== Instrument Panel — brushed graphite, dial gauges ===== */
:root[data-theme="gauge"] {
  --bg: #2b2c2f;
  --bg-elevated: #232427;
  --bg-card: #37383b;
  --border: #46474a;
  --text: #ece9e2;
  --text-dim: #9a9b94;
  --text-faint: #6f706b;
  --accent: #e8823d;
  --accent-dim: #4a3420;
  --win: #6fcb8f;
  --win-dim: #1e3a29;
  --loss: #d64545;
  --loss-dim: #3a1616;
  --warn: #e8823d;
  --on-accent: #241605;
  --on-win: #10241a;
  --on-loss: #2a0e0e;
  --radius: 10px;
  --radius-sm: 6px;
  --shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04), 0 6px 16px -8px rgba(0, 0, 0, 0.6);
  --font-display: "Bahnschrift", "Arial Narrow", "Helvetica Neue Condensed", sans-serif;
  --font-body: system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "Bahnschrift", "Arial Narrow", ui-monospace, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.5;
}

.wrap {
  max-width: 960px;
  margin: 0 auto;
  padding: 1.5rem 1rem 4rem;
}

header.app-header {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.5rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1.5rem;
}

header.app-header h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.4rem;
  letter-spacing: -0.01em;
}

header.app-header .tagline {
  color: var(--text-dim);
  font-size: 0.9rem;
}

header.app-header .disclaimer-link {
  color: var(--accent);
  cursor: pointer;
  font-size: 0.85rem;
  text-decoration: underline;
  width: fit-content;
}

.theme-switcher {
  display: inline-flex;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.theme-switcher .theme-btn {
  background: var(--bg-elevated);
  color: var(--text-dim);
  border: none;
  padding: 0.4rem 0.75rem;
  font-size: 0.78rem;
  cursor: pointer;
  font-family: var(--font-body);
}

.theme-switcher .theme-btn:hover { color: var(--text); }
.theme-switcher .theme-btn.active { background: var(--accent-dim); color: var(--text); font-weight: 600; }
.theme-switcher .theme-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }

.hidden { display: none !important; }

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin-bottom: 1.25rem;
  box-shadow: var(--shadow);
  position: relative;
}

.card h2 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
}

.card h3 {
  margin: 0 0 0.75rem;
  font-size: 0.95rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.9rem;
}

.computed-plan {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1rem;
  margin-top: 1rem;
}

.computed-plan-row {
  display: flex;
  gap: 1.75rem;
  flex-wrap: wrap;
}

.computed-plan-item .value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--accent);
}

.computed-plan-item .label {
  font-size: 0.72rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.computed-plan .note {
  font-size: 0.78rem;
  color: var(--text-faint);
  margin-top: 0.6rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.field label {
  font-size: 0.82rem;
  color: var(--text-dim);
}

.field .hint {
  font-size: 0.75rem;
  color: var(--text-faint);
}

input[type="number"], input[type="text"], select {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: inherit;
  border-radius: var(--radius-sm);
  padding: 0.55rem 0.65rem;
  font-size: 0.95rem;
  width: 100%;
}

input[type="number"] { font-variant-numeric: tabular-nums; }

input:focus, select:focus {
  outline: none;
  border-color: var(--accent);
}

.toggle-group {
  display: inline-flex;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.toggle-group button {
  background: var(--bg-elevated);
  color: var(--text-dim);
  border: none;
  padding: 0.5rem 0.8rem;
  cursor: pointer;
  font-size: 0.85rem;
}

.toggle-group button.active {
  background: var(--accent-dim);
  color: var(--text);
}

.toggle-group.wide button {
  padding: 0.4rem 0.7rem;
  font-size: 0.78rem;
}

.tp-sl-row {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.tp-sl-row input { flex: 1; }

button {
  font-family: inherit;
}

.btn {
  background: var(--bg-elevated);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.6rem 1rem;
  cursor: pointer;
  font-size: 0.9rem;
}

.btn:hover { border-color: var(--accent); }

.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--on-accent);
  font-weight: 600;
}

.btn-primary:hover { filter: brightness(1.08); }

.btn-win {
  background: var(--win);
  border-color: var(--win);
  color: var(--on-win);
  font-weight: 700;
}

.btn-loss {
  background: var(--loss);
  border-color: var(--loss);
  color: var(--on-loss);
  font-weight: 700;
}

.btn-danger {
  background: transparent;
  border-color: var(--loss);
  color: var(--loss);
}

.btn-small {
  padding: 0.3rem 0.6rem;
  font-size: 0.8rem;
}

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.error-box {
  background: var(--loss-dim);
  border: 1px solid var(--loss);
  color: var(--loss);
  border-radius: var(--radius-sm);
  padding: 0.6rem 0.8rem;
  font-size: 0.85rem;
  margin-bottom: 1rem;
}

.session-status {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  margin-bottom: 1rem;
  background: var(--bg-elevated);
  color: var(--win);
}

.session-status::before { content: "\25CF"; font-size: 0.55rem; }

.stat-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.stat {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.75rem 0.9rem;
}

.stat .label {
  font-size: 0.72rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: 0.25rem;
}

.stat .value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 1.25rem;
  font-weight: 700;
}

.stat .value.positive { color: var(--win); }
.stat .value.negative { color: var(--loss); }

.projection-box {
  background: linear-gradient(135deg, var(--accent-dim), var(--bg-elevated));
  border: 1px solid var(--accent-dim);
  border-radius: var(--radius-sm);
  padding: 1rem;
  margin-bottom: 1.25rem;
}

.projection-box .estimate-label {
  font-size: 0.72rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: 0.5rem;
}

.projection-box .proj-row {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.projection-box .proj-item .value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 1.15rem;
  font-weight: 700;
}

.projection-box .proj-item .label {
  font-size: 0.78rem;
  color: var(--text-dim);
}

.projection-box .note {
  font-size: 0.75rem;
  color: var(--text-faint);
  margin-top: 0.6rem;
}

.stake-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.25rem;
  align-items: start;
}

@media (max-width: 640px) {
  .stake-panel { grid-template-columns: 1fr; }
}

.stake-panel .field label {
  font-weight: 600;
  color: var(--text);
}

.suggested-stake {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1rem;
  text-align: center;
}

.suggested-stake .value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
}

.suggested-stake .label {
  font-size: 0.78rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.progress-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

@media (max-width: 640px) {
  .progress-row { grid-template-columns: 1fr; }
}

.progress-item .progress-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.78rem;
  color: var(--text-dim);
  margin-bottom: 0.3rem;
}

.progress-bar-bg {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 999px;
  height: 10px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  border-radius: 999px;
}

.progress-bar-fill.tp { background: var(--win); }
.progress-bar-fill.sl { background: var(--loss); }

.progress-ring { display: none; }
.progress-ring .ring-track { stroke: var(--border); }
.progress-ring .ring-tick { stroke: var(--text-faint); stroke-width: 2; }
.progress-ring .ring-fill.tp { stroke: var(--win); }
.progress-ring .ring-fill.sl { stroke: var(--loss); }

.hit-note {
  display: block;
  font-size: 0.72rem;
  color: var(--warn);
  margin-top: 0.35rem;
  text-align: center;
}

.actions-row {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
}

.actions-row .stake-used-field {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  flex: 1;
  min-width: 160px;
}

.actions-row .stake-used-field label {
  font-size: 0.78rem;
  color: var(--text-dim);
}

table.log-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.87rem;
}

table.log-table th, table.log-table td {
  padding: 0.5rem 0.6rem;
  text-align: right;
  border-bottom: 1px solid var(--border);
}

table.log-table th:first-child, table.log-table td:first-child,
table.log-table th:nth-child(3), table.log-table td:nth-child(3) {
  text-align: left;
}

table.log-table th {
  color: var(--text-dim);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.result-toggle {
  display: inline-flex;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.result-toggle button {
  border: none;
  padding: 0.2rem 0.5rem;
  font-size: 0.75rem;
  cursor: pointer;
  background: var(--bg-elevated);
  color: var(--text-faint);
}

.result-toggle button.win.active { background: var(--win-dim); color: var(--win); }
.result-toggle button.loss.active { background: var(--loss-dim); color: var(--loss); }

.return-positive { color: var(--win); }
.return-negative { color: var(--loss); }

.end-banner {
  border-radius: var(--radius-sm);
  padding: 1rem;
  margin-bottom: 1.25rem;
  font-weight: 700;
  font-size: 1.05rem;
}

.end-banner.good { background: var(--win-dim); color: var(--win); border: 1px solid var(--win); }
.end-banner.bad { background: var(--loss-dim); color: var(--loss); border: 1px solid var(--loss); }
.end-banner.neutral { background: var(--accent-dim); color: var(--text); border: 1px solid var(--accent); }

.end-banner .sub {
  font-weight: 400;
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-top: 0.3rem;
}

.counter-widget {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
}

.counter-widget .big-number {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 3rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}

.counter-widget .counter-controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.counter-widget .counter-side {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.switch {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  font-size: 0.85rem;
  color: var(--text-dim);
}

.switch input { width: auto; }

.history-totals {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.session-row {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 0.6rem;
  overflow: hidden;
}

.session-row summary {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 0.7rem 0.9rem;
  cursor: pointer;
  list-style: none;
  align-items: center;
}

.session-row summary::-webkit-details-marker { display: none; }

.session-row summary .tag {
  font-size: 0.72rem;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  background: var(--bg-elevated);
  color: var(--text-dim);
}

.session-row .session-detail {
  padding: 0.7rem 0.9rem;
  border-top: 1px solid var(--border);
  background: var(--bg-elevated);
}

.empty-state {
  color: var(--text-faint);
  font-size: 0.88rem;
  padding: 1rem 0;
  text-align: center;
}

footer.app-footer {
  margin-top: 2rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
  color: var(--text-faint);
  font-size: 0.8rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
  padding: 1rem;
}

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  max-width: 480px;
  width: 100%;
}

.modal h3 { margin-top: 0; }

.modal .modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.6rem;
  margin-top: 1.25rem;
}

.toast {
  position: fixed;
  bottom: 1.25rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.6rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  z-index: 60;
  box-shadow: var(--shadow);
}

/* =====================================================================
   LEDGER — ruled paper, ink-stamped status, tabular ledger figures
   ===================================================================== */
html[data-theme="ledger"] body {
  background-image: repeating-linear-gradient(var(--bg) 0 31px, var(--border) 31px 32px);
  background-size: 100% 32px;
}

html[data-theme="ledger"] .card h3 { font-family: var(--font-body); }

html[data-theme="ledger"] .session-status {
  border: 1.5px solid var(--accent);
  color: var(--accent);
  background: transparent;
  transform: rotate(-2deg);
}

html[data-theme="ledger"] .session-status::before { content: none; }

/* =====================================================================
   TERMINAL — amber phosphor readout, scanlines, live cursor
   ===================================================================== */
html[data-theme="terminal"] body {
  background-image: repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.015) 0px, rgba(255, 255, 255, 0.015) 1px, transparent 1px, transparent 3px);
}

html[data-theme="terminal"] .card h2,
html[data-theme="terminal"] .card h3 { text-transform: uppercase; letter-spacing: 0.04em; }

html[data-theme="terminal"] .field label::before { content: "> "; color: var(--text-faint); }

html[data-theme="terminal"] .session-status::before { text-shadow: 0 0 6px currentColor; }

html[data-theme="terminal"] .suggested-stake .value {
  text-shadow: 0 0 14px rgba(255, 176, 0, 0.35);
}

html[data-theme="terminal"] .suggested-stake .value::after {
  content: "\258C";
  font-size: 0.7em;
  opacity: 0.85;
  margin-left: 0.15rem;
  animation: term-blink 1.1s steps(1) infinite;
}

@keyframes term-blink { 50% { opacity: 0; } }

@media (prefers-reduced-motion: reduce) {
  html[data-theme="terminal"] .suggested-stake .value::after { animation: none; }
}

/* =====================================================================
   INSTRUMENT PANEL — brushed graphite, dial gauges, riveted bezels
   ===================================================================== */
html[data-theme="gauge"] body {
  background-image: linear-gradient(135deg, rgba(255, 255, 255, 0.035), transparent 40%);
}

html[data-theme="gauge"] .card::before,
html[data-theme="gauge"] .card::after {
  content: "";
  position: absolute;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--bg-elevated);
  box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.6), 0 1px 0 rgba(255, 255, 255, 0.05);
}

html[data-theme="gauge"] .card::before { top: 9px; left: 9px; }
html[data-theme="gauge"] .card::after { top: 9px; right: 9px; }

html[data-theme="gauge"] .suggested-stake {
  border-radius: 50%;
  width: 150px;
  height: 150px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.5), inset 0 -1px 0 rgba(255, 255, 255, 0.04);
}

html[data-theme="gauge"] .progress-bar-bg { display: none; }

html[data-theme="gauge"] .progress-ring {
  display: block;
  margin: 0 auto;
}

html[data-theme="gauge"] .progress-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
}

html[data-theme="gauge"] .progress-item .progress-label {
  order: 2;
  justify-content: center;
  gap: 0.4rem;
}

html[data-theme="gauge"] .progress-ring { order: 1; }