:root {
  --bg: #f7f5f0;
  --bg-tint: #efece4;
  --surface: #ffffff;
  --surface-2: #faf8f4;
  --line: #e4dfd4;
  --line-soft: #eeeae1;
  --ink: #2a2d33;
  --ink-soft: #4a4f58;
  --muted: #7b8089;
  --faint: #9aa0a8;
  --accent: #d97a1f;
  --accent-ink: #a85a0d;
  --accent-soft: #fdf1e3;
  --up: #12855d;
  --up-soft: #e8f6ef;
  --down: #c9453d;
  --down-soft: #fceceb;
  --warn: #a9741a;
  --warn-soft: #fdf4e0;
  --radius: 16px;
  --shadow: 0 1px 2px rgba(50, 40, 25, .05), 0 8px 24px rgba(50, 40, 25, .05);
  --shadow-soft: 0 1px 2px rgba(50, 40, 25, .04);
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, system-ui, sans-serif;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background:
    radial-gradient(1100px 520px at 90% -10%, rgba(217, 122, 31, .07), transparent 62%),
    radial-gradient(800px 420px at 2% 2%, rgba(18, 133, 93, .05), transparent 58%),
    var(--bg);
  background-attachment: fixed;
  color: var(--ink);
  font: 15px/1.55 var(--sans);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { margin: 0; font-weight: 640; letter-spacing: -.015em; }

button, input, select { font: inherit; color: inherit; }

/* ---------- top bar ---------- */

.topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(247, 245, 240, .88);
  backdrop-filter: blur(14px) saturate(1.4);
  -webkit-backdrop-filter: blur(14px) saturate(1.4);
  border-bottom: 1px solid var(--line-soft);
  padding: env(safe-area-inset-top) 0 0;
}

.topbar-inner {
  max-width: 1240px;
  margin: auto;
  padding: 13px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand { display: flex; align-items: center; gap: 12px; min-width: 0; }

.brand-mark {
  flex: none;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 13px;
  background: linear-gradient(150deg, #f0a343, var(--accent));
  color: #fff;
  font-size: 21px;
  font-weight: 700;
  box-shadow: 0 5px 14px rgba(217, 122, 31, .3);
}

.brand h1 { font-size: 1.05rem; }
.brand p { margin: 1px 0 0; color: var(--faint); font-size: .75rem; }

.mode-switch {
  display: flex;
  gap: 3px;
  padding: 4px;
  background: var(--bg-tint);
  border: 1px solid var(--line);
  border-radius: 13px;
}

.mode-btn {
  border: 0;
  border-radius: 10px;
  background: transparent;
  color: var(--muted);
  padding: 8px 16px;
  font-size: .83rem;
  font-weight: 600;
  cursor: pointer;
  transition: background .18s, color .18s, box-shadow .18s;
  min-height: 38px;
}

.mode-btn:hover { color: var(--ink); }

.mode-btn.active {
  background: var(--surface);
  color: var(--ink);
  box-shadow: var(--shadow-soft);
}

.mode-btn[data-mode="paper"].active { color: var(--up); }
.mode-btn[data-mode="live"].active { color: var(--down); }

/* ---------- login ---------- */

.login-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px 18px;
}

.login-card { width: 100%; max-width: 380px; display: grid; gap: 16px; }

.login-brand { display: flex; align-items: center; gap: 13px; margin-bottom: 4px; }
.login-brand h1 { font-size: 1.15rem; }
.login-brand p { margin: 2px 0 0; color: var(--faint); font-size: .78rem; }

.login-submit { width: 100%; margin-top: 4px; }

.login-card .banner { margin-bottom: 0; }

/* ---------- session bar ---------- */

.session { display: flex; align-items: center; gap: 10px; }
.session span { color: var(--muted); font-size: .78rem; white-space: nowrap; }

.session button {
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--muted);
  border-radius: 9px;
  padding: 7px 13px;
  font-size: .78rem;
  cursor: pointer;
  min-height: 36px;
}

.session button:hover { color: var(--ink); border-color: var(--faint); }

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

main {
  max-width: 1240px;
  margin: auto;
  padding: 24px 18px calc(56px + env(safe-area-inset-bottom));
  display: grid;
  gap: 18px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}

.card-head { margin-bottom: 20px; }
.card-head h2 { font-size: 1.12rem; }
.card-head p { margin: 6px 0 0; color: var(--muted); font-size: .87rem; max-width: 64ch; }

.eyebrow {
  display: block;
  margin-bottom: 7px;
  color: var(--accent-ink);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.hidden { display: none !important; }

/* ---------- form fields ---------- */

.fields {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 16px;
}

.field { display: grid; gap: 7px; align-content: start; }

.field > span {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--ink-soft);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.field input,
.field select {
  width: 100%;
  min-height: 46px;
  padding: 11px 13px;
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 11px;
  font-variant-numeric: tabular-nums;
  transition: border-color .15s, box-shadow .15s, background .15s;
}

.field input:hover, .field select:hover { border-color: #d5cec0; }

.field input:focus,
.field select:focus {
  outline: 0;
  background: var(--surface);
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.field .hint { color: var(--faint); font-size: .74rem; line-height: 1.45; }

.field-pair { display: grid; grid-template-columns: 1fr 92px; gap: 8px; }

.toggle {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 11px;
  min-height: 46px;
  cursor: pointer;
  font-size: .86rem;
  transition: border-color .15s;
}

.toggle:hover { border-color: #d5cec0; }
.toggle input { width: 18px; height: 18px; min-height: 0; accent-color: var(--accent); }
.toggle:has(input:disabled) { opacity: .5; cursor: not-allowed; }

/* ---------- info tooltips ---------- */

.info {
  flex: none;
  width: 17px;
  height: 17px;
  padding: 0;
  border: 1px solid #cfc8ba;
  border-radius: 50%;
  background: var(--surface);
  color: var(--muted);
  font: 600 10px/1 var(--sans);
  text-transform: none;
  cursor: help;
  position: relative;
  transition: color .15s, border-color .15s, background .15s;
}

.info:hover, .info:focus-visible {
  color: #fff;
  background: var(--accent);
  border-color: var(--accent);
  outline: 0;
}

.info::after {
  content: attr(data-tip);
  position: absolute;
  left: 50%;
  bottom: calc(100% + 10px);
  transform: translateX(-50%);
  width: max-content;
  max-width: 290px;
  padding: 11px 13px;
  background: #33373f;
  color: #f4f2ee;
  border-radius: 11px;
  box-shadow: 0 12px 30px rgba(40, 34, 22, .22);
  font: 400 .77rem/1.55 var(--sans);
  letter-spacing: 0;
  text-align: left;
  text-transform: none;
  white-space: normal;
  opacity: 0;
  visibility: hidden;
  transition: opacity .16s;
  z-index: 30;
  pointer-events: none;
}

.info:hover::after, .info:focus-visible::after { opacity: 1; visibility: visible; }

.fields > .field:nth-child(4n) .info::after,
.fields > .field:last-child .info::after { left: auto; right: 0; transform: none; }

@media (max-width: 720px) {
  .info::after { left: 0; right: auto; transform: none; max-width: min(290px, calc(100vw - 60px)); }
}

/* ---------- buttons ---------- */

.actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; align-items: center; }

.btn {
  border: 1px solid transparent;
  border-radius: 11px;
  padding: 12px 22px;
  min-height: 46px;
  font-size: .89rem;
  font-weight: 640;
  cursor: pointer;
  transition: transform .12s, filter .15s, box-shadow .15s;
}

.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .45; cursor: not-allowed; box-shadow: none; }

.btn-primary { background: var(--accent); color: #fff; box-shadow: 0 4px 12px rgba(217, 122, 31, .26); }
.btn-primary:hover:not(:disabled) { filter: brightness(1.05); }

.btn-danger { background: var(--down); color: #fff; box-shadow: 0 4px 12px rgba(201, 69, 61, .24); }
.btn-danger:hover:not(:disabled) { filter: brightness(1.05); }

.btn-ghost { background: var(--surface); border-color: var(--line); color: var(--ink-soft); }
.btn-ghost:hover:not(:disabled) { border-color: var(--faint); }

.status-text { color: var(--muted); font-size: .86rem; flex: 1 1 220px; min-width: 0; }

.spinner {
  width: 16px;
  height: 16px;
  border: 2px solid var(--line);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin .75s linear infinite;
}

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

/* ---------- banners ---------- */

.banner {
  display: flex;
  gap: 11px;
  padding: 14px 16px;
  border-radius: 12px;
  font-size: .85rem;
  line-height: 1.55;
  margin-bottom: 20px;
}

.banner-warn { background: var(--warn-soft); border: 1px solid #ecd9ab; color: #7c5511; }
.banner-danger { background: var(--down-soft); border: 1px solid #f2c9c6; color: #8f2f29; }
.banner strong { color: inherit; font-weight: 680; }
.banner code { background: rgba(0, 0, 0, .06); padding: 1px 5px; border-radius: 4px; font-size: .92em; }

/* ---------- month calendar ---------- */

.calendar { display: grid; gap: 14px; }

.calendar-year { display: grid; grid-template-columns: 48px 1fr; gap: 12px; align-items: center; }

.calendar-year > strong { color: var(--faint); font: 600 .79rem var(--mono); }

.months { display: flex; flex-wrap: wrap; gap: 7px; }

.month {
  border: 1px solid var(--line);
  background: var(--surface-2);
  color: var(--ink-soft);
  border-radius: 10px;
  padding: 9px 13px;
  min-height: 40px;
  font-size: .82rem;
  cursor: pointer;
  transition: all .14s;
}

.month:hover { border-color: var(--accent); color: var(--accent-ink); background: var(--accent-soft); }

.month.selected {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  font-weight: 640;
  box-shadow: 0 3px 9px rgba(217, 122, 31, .26);
}

.selection { margin: 16px 0 0; color: var(--muted); font-size: .86rem; }
.warn-text { color: var(--warn); font-weight: 600; }
.up-text { color: var(--up); }
.down-text { color: var(--down); }
.history-head { margin-top: 26px; }

.month.partial { border-color: #e7cf9c; background: var(--warn-soft); }
.month.partial i { font-style: normal; margin-left: 4px; color: var(--warn); font-weight: 700; }
.month.partial.selected { background: var(--accent); }
.month.partial.selected i { color: #ffe9c4; }

/* ---------- metrics ---------- */

.metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
}

.metric {
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 15px 16px;
}

.metric small {
  display: block;
  color: var(--muted);
  font-size: .69rem;
  font-weight: 650;
  letter-spacing: .05em;
  text-transform: uppercase;
}

.metric strong {
  display: block;
  margin-top: 7px;
  font: 600 1.25rem var(--mono);
  letter-spacing: -.02em;
}

.metric.up { background: var(--up-soft); border-color: #c7e7d8; }
.metric.up strong { color: var(--up); }
.metric.down { background: var(--down-soft); border-color: #f2ccc9; }
.metric.down strong { color: var(--down); }

.summary-card { padding: 0; overflow: hidden; }
.summary-card .pnl-hero { border-bottom: 1px solid var(--line); }
.summary-card .pnl-hero strong { font-size: 2.9rem; }
.summary-card .metrics { padding: 18px; }

/* ---------- outcome tags ---------- */

.tag {
  display: inline-block;
  padding: 4px 11px;
  border-radius: 999px;
  font-size: .71rem;
  font-weight: 650;
  white-space: nowrap;
}

.tag-win { background: var(--up-soft); color: var(--up); }
.tag-loss { background: var(--down-soft); color: var(--down); }
.tag-stop { background: var(--warn-soft); color: var(--warn); }
.tag-skip { background: var(--bg-tint); color: var(--muted); }

/* ---------- position card ---------- */

.position { margin-top: 20px; }

.position-empty {
  margin: 0;
  padding: 30px 20px;
  text-align: center;
  color: var(--muted);
  background: var(--surface-2);
  border: 1px dashed var(--line);
  border-radius: 13px;
  font-size: .88rem;
  line-height: 1.6;
}

.position-empty strong { color: var(--ink); }

.position-live {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 13px;
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}

.position-head {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  justify-content: space-between;
  padding: 15px 17px;
  background: var(--surface-2);
  border-bottom: 1px solid var(--line);
}

.position-head strong { font: 600 .93rem var(--mono); }

.chip {
  padding: 5px 12px;
  border-radius: 999px;
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.chip-open { background: var(--up-soft); color: var(--up); }
.chip-closed { background: var(--accent-soft); color: var(--accent-ink); }
.chip-stopped { background: var(--down-soft); color: var(--down); }

.pnl-hero { padding: 26px 18px; text-align: center; border-bottom: 1px solid var(--line-soft); }
.pnl-hero small { display: block; color: var(--muted); font-size: .71rem; font-weight: 650; letter-spacing: .08em; text-transform: uppercase; }
.pnl-hero strong { display: block; margin-top: 9px; font: 650 2.5rem/1 var(--mono); letter-spacing: -.03em; }
.pnl-hero span { display: block; margin-top: 9px; color: var(--muted); font-size: .82rem; }
.pnl-hero.up strong { color: var(--up); }
.pnl-hero.down strong { color: var(--down); }

.position-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(118px, 1fr));
  gap: 1px;
  background: var(--line-soft);
}

.position-tile { background: var(--surface); padding: 13px 15px; }
.position-tile small { display: block; color: var(--muted); font-size: .67rem; font-weight: 600; letter-spacing: .05em; text-transform: uppercase; }
.position-tile strong { display: block; margin-top: 5px; font: 550 .96rem var(--mono); }

.position-foot { padding: 12px 17px; color: var(--faint); font-size: .75rem; background: var(--surface-2); }

/* ---------- event log ---------- */

.log {
  margin-top: 18px;
  max-height: 320px;
  overflow: auto;
  padding: 16px;
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 13px;
  font: .78rem/1.65 var(--mono);
  color: var(--ink-soft);
  overscroll-behavior: contain;
}

.log p { margin: 0 0 7px; word-break: break-word; padding-left: 11px; border-left: 2px solid var(--line); }
.log .failed { color: var(--down); border-left-color: var(--down); }
.log .success { color: var(--up); border-left-color: var(--up); }
.log .waiting { color: var(--warn); border-left-color: var(--warn); }
.log .idle { color: var(--faint); border-left-color: transparent; }

/* ---------- results table ---------- */

.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: var(--surface);
}

table { border-collapse: collapse; width: 100%; min-width: 940px; font-size: .85rem; }

th, td { padding: 12px 15px; text-align: left; white-space: nowrap; border-bottom: 1px solid var(--line-soft); }

th {
  position: sticky;
  top: 0;
  background: var(--surface-2);
  color: var(--muted);
  font-size: .69rem;
  font-weight: 700;
  letter-spacing: .05em;
  text-transform: uppercase;
}

tbody tr:last-child td { border-bottom: 0; }
tbody tr.traded { background: rgba(18, 133, 93, .045); }
tbody tr.skipped { background: transparent; color: var(--muted); }
tbody tr:hover { background: var(--accent-soft); }

td.num { font-family: var(--mono); font-variant-numeric: tabular-nums; }
td.pos { color: var(--up); font-weight: 650; }
td.neg { color: var(--down); font-weight: 650; }
td.reason { white-space: normal; min-width: 380px; color: var(--muted); font-size: .79rem; line-height: 1.6; }

/* ---------- mobile ---------- */

@media (max-width: 720px) {
  .topbar-inner { flex-direction: column; align-items: stretch; gap: 12px; padding: 12px 14px; }
  .mode-switch { width: 100%; }
  .mode-btn { flex: 1; padding: 10px 6px; }
  main { padding: 16px 14px calc(40px + env(safe-area-inset-bottom)); gap: 14px; }
  .card { padding: 18px; border-radius: 14px; }
  .fields { grid-template-columns: 1fr; gap: 14px; }
  .actions .btn { flex: 1 1 100%; }
  .status-text { flex-basis: 100%; }
  .calendar-year { grid-template-columns: 1fr; gap: 7px; }
  .months { display: grid; grid-template-columns: repeat(4, 1fr); }
  .month { padding: 11px 4px; text-align: center; }
  .pnl-hero strong, .summary-card .pnl-hero strong { font-size: 2rem; }
  .metrics { grid-template-columns: repeat(2, 1fr); }
  .log { max-height: 260px; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}