/* Yuanotes — Arbitrage Desk
   Cool steel + safety signal. Hard edges. No glow, no pills, no purple. */

:root {
  --ink: #10141c;
  --steel: #b8c0ce;
  --sheet: #e4e8ef;
  --panel: #f7f8fb;
  --signal: #ff2e00;
  --signal-deep: #c42100;
  --gain: #006b54;
  --gain-wash: #cfeee4;
  --loss: #9e1b2e;
  --loss-wash: #f5d5db;
  --mute: #556174;
  --line: #10141c;
  --usd: #1b4f8f;
  --warn: #c47a00;
  --radius: 0;
  --font-display: "Anybody", "Arial Narrow", sans-serif;
  --font-ui: "Public Sans", "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-ui);
  color: var(--ink);
  background-color: var(--sheet);
  background-image:
    repeating-linear-gradient(
      -18deg,
      transparent,
      transparent 11px,
      rgba(16, 20, 28, 0.035) 11px,
      rgba(16, 20, 28, 0.035) 12px
    );
  line-height: 1.45;
}

a { color: var(--signal-deep); font-weight: 700; text-decoration-thickness: 2px; }
a:hover { color: var(--signal); }

/* —— Shell —— */
.shell {
  width: min(1180px, calc(100% - 28px));
  margin: 18px auto 40px;
}

.shell--narrow {
  max-width: 640px;
}

.topbar {
  display: flex;
  align-items: stretch;
  justify-content: space-between;
  gap: 12px;
  border: 3px solid var(--ink);
  background: var(--ink);
  color: var(--panel);
  margin-bottom: 14px;
  animation: barIn .45s ease-out both;
}

.topbar__brand {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 10px 16px;
  min-width: 0;
}

.topbar__mark {
  width: 28px;
  height: 28px;
  background: var(--signal);
  flex-shrink: 0;
  clip-path: polygon(50% 0%, 100% 100%, 0% 100%);
  animation: markPulse 2.4s ease-in-out infinite;
}

.topbar__name {
  font-family: var(--font-display);
  font-weight: 800;
  font-style: italic;
  font-size: clamp(1.35rem, 3vw, 1.85rem);
  letter-spacing: -.03em;
  line-height: 1;
  text-transform: uppercase;
}

.topbar__tag {
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--steel);
  margin-top: 4px;
}

.topbar__actions {
  display: flex;
  align-items: stretch;
}

.topbar__actions a,
.topbar__actions button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border: none;
  border-left: 2px solid rgba(247,248,251,.2);
  background: transparent;
  color: var(--panel);
  font: inherit;
  font-weight: 700;
  font-size: .8rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
}

.topbar__actions a:hover,
.topbar__actions button:hover {
  background: var(--signal);
  color: #fff;
}

/* —— Masthead —— */
.mast {
  display: grid;
  grid-template-columns: 1.35fr .65fr;
  gap: 0;
  border: 3px solid var(--ink);
  background: var(--panel);
  margin-bottom: 14px;
  overflow: hidden;
  animation: rise .5s .08s ease-out both;
}

.mast__copy {
  padding: clamp(22px, 4vw, 36px);
  border-right: 3px solid var(--ink);
  position: relative;
}

.mast__copy::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 8px;
  background: repeating-linear-gradient(
    90deg,
    var(--signal) 0 18px,
    var(--ink) 18px 28px,
    var(--steel) 28px 40px
  );
  animation: tape 12s linear infinite;
}

.mast__kicker {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--mute);
  margin: 0 0 10px;
}

.mast__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-style: italic;
  font-size: clamp(2.6rem, 8vw, 4.6rem);
  line-height: .88;
  letter-spacing: -.045em;
  text-transform: uppercase;
  margin: 0;
}

.mast__title span { color: var(--signal); }

.mast__lede {
  margin: 14px 0 0;
  max-width: 34ch;
  color: var(--mute);
  font-size: .98rem;
}

.mast__side {
  display: grid;
  grid-template-rows: 1fr auto;
  background:
    linear-gradient(160deg, rgba(255,46,0,.12), transparent 55%),
    var(--ink);
  color: var(--panel);
  padding: 22px;
}

.mast__side-label {
  font-family: var(--font-mono);
  font-size: .65rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--steel);
}

.mast__side-value {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  margin-top: 8px;
  word-break: break-all;
}

.mast__side-value.is-up { color: #7dffc4; }
.mast__side-value.is-down { color: #ff8a9a; }

.mast__side-foot {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid rgba(247,248,251,.2);
  font-size: .8rem;
  color: var(--steel);
}

/* —— Stats strip —— */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 3px solid var(--ink);
  background: var(--panel);
  margin-bottom: 14px;
  animation: rise .5s .14s ease-out both;
}

.stat {
  padding: 16px 14px 18px;
  border-right: 2px solid var(--ink);
  min-width: 0;
}

.stat:last-child { border-right: none; }

.stat__label {
  font-family: var(--font-mono);
  font-size: .65rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--mute);
}

.stat__value {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(1rem, 2.4vw, 1.35rem);
  margin-top: 8px;
  word-break: break-word;
}

.stat--gain .stat__value { color: var(--gain); }
.stat--loss .stat__value { color: var(--loss); }
.stat--usd .stat__value { color: var(--usd); }
.stat--signal .stat__value { color: var(--signal-deep); }

/* —— Panels —— */
.panel {
  border: 3px solid var(--ink);
  background: var(--panel);
  margin-bottom: 14px;
  animation: rise .5s .2s ease-out both;
}

.panel__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 16px;
  background: var(--ink);
  color: var(--panel);
}

.panel__head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -.02em;
  text-transform: uppercase;
}

.panel__head .hint {
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--steel);
}

.panel__body { padding: 16px; }
.panel__body--tight { padding-bottom: 8px; }

/* —— Forms —— */
.form-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
}

.form-grid--two {
  grid-template-columns: 1fr 1fr;
}

.field {
  display: grid;
  gap: 6px;
  min-width: 0;
}

.field--span2 { grid-column: span 2; }
.field--span3 { grid-column: span 3; }
.field--span6 { grid-column: span 6; }
.field--full { grid-column: 1 / -1; }

.field label {
  font-family: var(--font-mono);
  font-size: .65rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--mute);
}

.field input,
.field select {
  width: 100%;
  border: 2px solid var(--ink);
  background: var(--sheet);
  padding: 11px 12px;
  font: inherit;
  font-family: var(--font-mono);
  font-size: .92rem;
  color: var(--ink);
  border-radius: var(--radius);
  transition: background .15s, box-shadow .15s;
}

.field input:focus,
.field select:focus {
  outline: none;
  background: #fff;
  box-shadow: 4px 4px 0 var(--signal);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-top: 4px;
}

.actions--spaced { margin-top: 8px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 2px solid var(--ink);
  background: var(--ink);
  color: var(--panel);
  padding: 12px 18px;
  font-family: var(--font-ui);
  font-weight: 800;
  font-size: .82rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  border-radius: var(--radius);
  transition: transform .12s, background .12s, color .12s;
}

.btn:hover {
  background: var(--signal);
  border-color: var(--signal);
  color: #fff;
  transform: translate(-1px, -1px);
}

.btn--ghost {
  background: transparent;
  color: var(--ink);
}

.btn--ghost:hover {
  background: var(--ink);
  color: var(--panel);
  border-color: var(--ink);
}

.btn--signal {
  background: var(--signal);
  border-color: var(--ink);
  color: #fff;
}

.btn--block { width: 100%; }

.note--spaced { margin-top: 12px; }

.field--end {
  align-content: end;
}

/* —— Table —— */
.table-wrap {
  overflow-x: auto;
  border-top: 2px solid var(--ink);
}

table.data {
  width: 100%;
  border-collapse: collapse;
  font-size: .86rem;
}

table.data th,
table.data td {
  padding: 11px 12px;
  border-bottom: 1px solid rgba(16, 20, 28, .12);
  text-align: left;
  white-space: nowrap;
}

table.data th {
  font-family: var(--font-mono);
  font-size: .62rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--mute);
  background: var(--sheet);
  position: sticky;
  top: 0;
}

table.data td { font-family: var(--font-mono); }

table.data tbody tr {
  animation: rowIn .4s ease-out both;
}

table.data tbody tr:nth-child(1) { animation-delay: .02s; }
table.data tbody tr:nth-child(2) { animation-delay: .05s; }
table.data tbody tr:nth-child(3) { animation-delay: .08s; }
table.data tbody tr:nth-child(4) { animation-delay: .11s; }
table.data tbody tr:nth-child(5) { animation-delay: .14s; }
table.data tbody tr:nth-child(6) { animation-delay: .17s; }
table.data tbody tr:nth-child(7) { animation-delay: .2s; }
table.data tbody tr:nth-child(8) { animation-delay: .23s; }

table.data tbody tr:hover { background: rgba(255, 46, 0, .05); }

.num-gain { color: var(--gain); font-weight: 700; }
.num-loss { color: var(--loss); font-weight: 700; }
.num-usd { color: var(--usd); font-weight: 700; }

.cell-flash {
  animation: flashGain .9s ease-out 1;
}

.row-actions {
  display: flex;
  gap: 8px;
}

.row-actions a {
  font-size: .72rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  text-decoration: none;
  border-bottom: 2px solid currentColor;
  padding-bottom: 1px;
}

.row-actions a.edit { color: var(--usd); }
.row-actions a.del { color: var(--loss); }

.empty {
  padding: 36px 16px;
  text-align: center;
  color: var(--mute);
  font-family: var(--font-mono);
  font-size: .85rem;
}

/* —— Auth pages —— */
.auth-page {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1.1fr .9fr;
}

.auth-visual {
  position: relative;
  background: var(--ink);
  color: var(--panel);
  padding: clamp(28px, 5vw, 56px);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
}

.auth-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(
      -32deg,
      transparent 0 14px,
      rgba(255, 46, 0, .14) 14px 15px
    );
  animation: hatchShift 18s linear infinite;
  pointer-events: none;
}

.auth-visual > * { position: relative; z-index: 1; }

.auth-visual__brand {
  font-family: var(--font-display);
  font-weight: 800;
  font-style: italic;
  font-size: clamp(3rem, 9vw, 5.5rem);
  line-height: .85;
  letter-spacing: -.05em;
  text-transform: uppercase;
  margin: 0;
}

.auth-visual__brand span { color: var(--signal); }

.auth-visual__copy {
  max-width: 28ch;
  font-size: 1.05rem;
  color: var(--steel);
  margin: 18px 0 0;
}

.auth-visual__meta {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--steel);
}

.auth-form-wrap {
  display: grid;
  place-items: center;
  padding: 28px 20px;
  background: var(--sheet);
}

.auth-box {
  width: min(420px, 100%);
  border: 3px solid var(--ink);
  background: var(--panel);
  padding: 28px 24px 24px;
  animation: rise .45s ease-out both;
}

.auth-box h2 {
  margin: 0;
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 800;
  font-size: 2rem;
  letter-spacing: -.03em;
  text-transform: uppercase;
}

.auth-box .sub {
  margin: 8px 0 0;
  color: var(--mute);
  font-size: .92rem;
}

.auth-box form {
  margin-top: 24px;
  display: grid;
  gap: 14px;
}

.auth-box .btn { width: 100%; }

.err {
  margin-top: 16px;
  border: 2px solid var(--loss);
  background: var(--loss-wash);
  color: var(--loss);
  padding: 10px 12px;
  font-size: .88rem;
  font-family: var(--font-mono);
}

.foot {
  margin-top: 18px;
  text-align: center;
  font-size: .88rem;
  color: var(--mute);
}

.investor-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: end;
  margin-bottom: 12px;
}

.investor-row .field { flex: 1; min-width: 140px; }

.note {
  margin: 0;
  font-size: .78rem;
  color: var(--mute);
  font-family: var(--font-mono);
}

/* —— Month nav & duel compare —— */
.month-nav {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 10px;
  align-items: center;
  border: 3px solid var(--ink);
  background: var(--panel);
  margin-bottom: 0;
  padding: 8px;
  animation: rise .45s ease-out both;
}

.month-nav__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 14px;
  border: 2px solid var(--ink);
  background: var(--sheet);
  color: var(--ink);
  font-weight: 800;
  font-size: .82rem;
  letter-spacing: .02em;
  text-decoration: none;
  text-align: center;
}

.month-nav__btn:hover {
  background: var(--signal);
  color: #fff;
  border-color: var(--ink);
}

.month-nav__btn--disabled {
  opacity: .45;
  pointer-events: none;
}

.month-nav__now {
  text-align: center;
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 800;
  font-size: clamp(1.1rem, 3vw, 1.55rem);
  letter-spacing: -.02em;
  text-transform: uppercase;
}

.month-nav__badge {
  display: inline-block;
  margin-left: 8px;
  padding: 3px 8px;
  background: var(--signal);
  color: #fff;
  font-family: var(--font-mono);
  font-style: normal;
  font-size: .62rem;
  letter-spacing: .1em;
  vertical-align: middle;
}

.month-pick {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: end;
  border: 3px solid var(--ink);
  border-top: none;
  background: var(--panel);
  padding: 12px 14px;
  margin-bottom: 14px;
}

.month-pick .field { flex: 1; min-width: 140px; }

.stat__cmp { margin-top: 10px; }

.tag {
  display: inline-block;
  padding: 4px 8px;
  border: 1.5px solid currentColor;
  font-family: var(--font-mono);
  font-size: .68rem;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: 0;
  text-transform: none;
  background: #fff;
}

.cmp--up {
  color: var(--gain);
  background: var(--gain-wash);
  border-color: var(--gain);
}

.cmp--down {
  color: var(--loss);
  background: var(--loss-wash);
  border-color: var(--loss);
}

.cmp--flat {
  color: var(--mute);
  background: var(--sheet);
  border-color: var(--steel);
}

.mast__side .tag.cmp--up {
  color: #0a3d32;
  background: #7dffc4;
  border-color: #7dffc4;
}

.mast__side .tag.cmp--down {
  color: #5c0f1c;
  background: #ff8a9a;
  border-color: #ff8a9a;
}

.mast__side .tag.cmp--flat {
  color: var(--steel);
  background: transparent;
  border-color: rgba(247,248,251,.35);
}

/* Scoreboard duel */
.duel {
  border: 3px solid var(--ink);
  background: var(--panel);
  margin-bottom: 14px;
  overflow: hidden;
  animation: rise .5s .16s ease-out both;
}

.duel__head {
  padding: 18px 18px 16px;
  background:
    repeating-linear-gradient(
      -28deg,
      transparent 0 10px,
      rgba(255,46,0,.08) 10px 11px
    ),
    var(--ink);
  color: var(--panel);
}

.duel__eyebrow {
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--steel);
  margin-bottom: 12px;
}

.duel__vs {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 12px;
  align-items: center;
}

.duel__side {
  min-width: 0;
}

.duel__side--now { text-align: left; }
.duel__side--prev { text-align: right; }

.duel__chip {
  display: inline-block;
  margin-bottom: 6px;
  padding: 2px 8px;
  font-family: var(--font-mono);
  font-size: .62rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  border: 1px solid rgba(247,248,251,.35);
  color: var(--steel);
}

.duel__side--now .duel__chip {
  background: var(--signal);
  border-color: var(--signal);
  color: #fff;
}

.duel__side strong {
  display: block;
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 800;
  font-size: clamp(1.2rem, 3.5vw, 1.85rem);
  letter-spacing: -.03em;
  text-transform: uppercase;
  line-height: 1;
}

.duel__mid {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border: 3px solid var(--signal);
  background: var(--panel);
  color: var(--ink);
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 800;
  font-size: 1.1rem;
  transform: rotate(-6deg);
}

.duel__note {
  margin: 14px 0 0;
  padding: 10px 12px;
  border: 1px dashed rgba(247,248,251,.35);
  color: var(--steel);
  font-size: .85rem;
}

.duel__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.duel-card {
  padding: 16px 14px 18px;
  border-right: 2px solid var(--ink);
  background: var(--panel);
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.duel-card:last-child { border-right: none; }

.duel-card__label {
  font-family: var(--font-mono);
  font-size: .65rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--mute);
}

.duel-card__now {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.05rem, 2.4vw, 1.35rem);
  line-height: 1.15;
  word-break: break-word;
}

.duel-card--gain .duel-card__now { color: var(--gain); }
.duel-card--signal .duel-card__now { color: var(--signal-deep); }
.duel-card--warn .duel-card__now { color: var(--warn); }
.duel-card--loss .duel-card__now { color: var(--loss); }
.duel-card--usd .duel-card__now { color: var(--usd); }

.duel-card__was {
  font-size: .78rem;
  color: var(--mute);
  line-height: 1.35;
}

.duel-card__was b {
  color: var(--ink);
  font-family: var(--font-mono);
  font-weight: 600;
}

.duel-card__tag { margin-top: auto; }

.bars { display: grid; gap: 6px; }

.bars__row {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 8px;
  align-items: center;
}

.bars__tag {
  font-family: var(--font-mono);
  font-size: .6rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--mute);
}

.bars__track {
  height: 10px;
  background: var(--sheet);
  border: 1.5px solid var(--ink);
  overflow: hidden;
}

.bars__track i {
  display: block;
  height: 100%;
  background: var(--ink);
  min-width: 0;
}

.duel-card--gain .bars__track i { background: var(--gain); }
.duel-card--signal .bars__track i { background: var(--signal); }
.duel-card--warn .bars__track i { background: var(--warn); }
.duel-card--loss .bars__track i { background: var(--loss); }

.bars__row--prev .bars__track i {
  background: var(--steel);
}

@media (max-width: 900px) {
  .month-nav {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .duel__vs { grid-template-columns: 1fr; text-align: center; gap: 10px; }
  .duel__side--now,
  .duel__side--prev { text-align: center; }
  .duel__mid { margin: 0 auto; }
  .duel__grid { grid-template-columns: 1fr 1fr; }
  .duel-card:nth-child(2) { border-right: none; }
  .duel-card:nth-child(1),
  .duel-card:nth-child(2) { border-bottom: 2px solid var(--ink); }
}

@media (max-width: 560px) {
  .duel__grid { grid-template-columns: 1fr; }
  .duel-card {
    border-right: none;
    border-bottom: 2px solid var(--ink);
  }
  .duel-card:last-child { border-bottom: none; }
}

/* —— Motion —— */
@keyframes barIn {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: none; }
}
@keyframes rise {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: none; }
}
@keyframes rowIn {
  from { opacity: 0; transform: translateX(-8px); }
  to { opacity: 1; transform: none; }
}
@keyframes flashGain {
  0% { background: var(--gain-wash); }
  100% { background: transparent; }
}
@keyframes markPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.08); }
}
@keyframes tape {
  from { background-position: 0 0; }
  to { background-position: 120px 0; }
}
@keyframes hatchShift {
  from { background-position: 0 0; }
  to { background-position: 120px 80px; }
}

/* —— Responsive —— */
@media (max-width: 900px) {
  .mast { grid-template-columns: 1fr; }
  .mast__copy { border-right: none; border-bottom: 3px solid var(--ink); }
  .stats { grid-template-columns: 1fr 1fr; }
  .stat:nth-child(2) { border-right: none; }
  .stat:nth-child(1),
  .stat:nth-child(2) { border-bottom: 2px solid var(--ink); }
  .form-grid { grid-template-columns: 1fr 1fr; }
  .field--span2,
  .field--span3,
  .field--span6 { grid-column: span 2; }
  .auth-page { grid-template-columns: 1fr; }
  .auth-visual { min-height: 220px; }
}

@media (max-width: 560px) {
  .shell { width: calc(100% - 16px); margin-top: 10px; }
  .topbar { flex-direction: column; }
  .topbar__actions { border-top: 2px solid rgba(247,248,251,.2); }
  .topbar__actions a,
  .topbar__actions button {
    flex: 1;
    padding: 12px;
    border-left: none;
  }
  .stats { grid-template-columns: 1fr; }
  .stat {
    border-right: none;
    border-bottom: 2px solid var(--ink);
  }
  .stat:last-child { border-bottom: none; }
  .form-grid { grid-template-columns: 1fr; }
  .field--span2,
  .field--span3,
  .field--span6 { grid-column: span 1; }
}