:root {
  --bg: #071019;
  --surface: #0d1823;
  --surface-2: #111f2c;
  --surface-3: #172735;
  --line: #243746;
  --line-soft: #1a2b38;
  --text: #edf4f6;
  --muted: #8396a3;
  --muted-2: #607481;
  --accent: #5ee6c4;
  --accent-strong: #2bcda8;
  --blue: #64a8ff;
  --amber: #f3bd69;
  --red: #ff707c;
  --white: #ffffff;
  --shadow: 0 20px 70px rgba(0,0,0,.3);
  --radius: 8px;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, monospace;
  --sans: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { color-scheme: dark; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: var(--sans); -webkit-font-smoothing: antialiased; }
button, input, select { font: inherit; }
button { color: inherit; }
.mono { font-family: var(--mono); }
.muted { color: var(--muted); }
.eyebrow { margin: 0 0 7px; color: var(--accent); font: 600 10px/1.2 var(--mono); letter-spacing: .16em; }
h1, h2, h3, p { margin-top: 0; }

/* Login */
.login-body { min-height: 100vh; background: radial-gradient(circle at 20% 30%, rgba(36,102,112,.17), transparent 35%), var(--bg); display: grid; place-items: center; }
.login-body::after { content: ""; position: fixed; inset: 0; pointer-events: none; background-image: linear-gradient(rgba(255,255,255,.018) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.018) 1px, transparent 1px); background-size: 56px 56px; mask-image: linear-gradient(to right, #000, transparent 70%); }
.login-shell { width: min(1000px, calc(100vw - 40px)); min-height: 590px; display: grid; grid-template-columns: 1.15fr .85fr; border: 1px solid var(--line); background: rgba(9,20,30,.92); box-shadow: var(--shadow); position: relative; z-index: 1; }
.login-brand { padding: 64px; display: flex; flex-direction: column; justify-content: space-between; border-right: 1px solid var(--line); }
.brand-mark { width: 48px; height: 48px; display: grid; place-items: center; border: 1px solid var(--accent); color: var(--accent); font: 600 16px var(--mono); }
.login-brand h1 { margin: 12px 0 20px; font-size: clamp(42px, 5vw, 65px); line-height: .98; letter-spacing: -.055em; }
.login-lead { max-width: 430px; color: var(--muted); font-size: 16px; line-height: 1.65; }
.security-note { display: flex; gap: 12px; align-items: flex-start; color: var(--muted); font-size: 12px; line-height: 1.55; }
.security-note strong { color: var(--text); }
.login-card { padding: 64px 48px; align-self: center; }
.login-card__head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 54px; font-size: 10px; }
.login-card h2 { font-size: 28px; margin-bottom: 8px; }
.login-card form { margin-top: 32px; }
.login-footnote { margin: 24px 0 0; color: var(--muted-2); font-size: 11px; line-height: 1.55; }
.form-error { padding: 10px 12px; margin: 12px 0; border-left: 2px solid var(--red); background: rgba(255,112,124,.08); color: #ffc0c5; font-size: 12px; }

/* Global controls */
.field { display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.field > span { color: var(--muted); font-size: 11px; font-weight: 500; }
.form-grid > .field > span:first-child { min-height: 28px; display: flex; align-items: flex-end; line-height: 1.3; }
.form-grid > .field > input:not([type="hidden"]),
.form-grid > .field > select,
.form-grid > .field > .readonly-value,
.form-grid > .field > .amount-input { height: 42px; min-height: 42px; }
input, select { width: 100%; min-height: 40px; padding: 9px 11px; border: 1px solid var(--line); border-radius: 4px; outline: none; background: #0a151f; color: var(--text); transition: border-color .15s, box-shadow .15s; }
select:disabled, input:read-only { color: #b7c5cd; background: #0c1721; cursor: default; }
input:hover, select:hover { border-color: #365064; }
input:focus, select:focus { border-color: var(--accent-strong); box-shadow: 0 0 0 3px rgba(43,205,168,.09); }
input::placeholder { color: var(--muted-2); }
.button { border: 0; border-radius: 4px; padding: 11px 16px; min-height: 40px; display: inline-flex; align-items: center; justify-content: center; gap: 14px; font-size: 12px; font-weight: 600; cursor: pointer; transition: background .15s, border .15s, transform .12s; }
.button:active { transform: translateY(1px); }
.button--primary { background: var(--accent); color: #042018; }
.button--primary:hover { background: #7af0d2; }
.button--ghost { color: var(--muted); background: transparent; border: 1px solid transparent; }
.button--ghost:hover { color: var(--text); border-color: var(--line); }
.button--outline { color: var(--text); background: transparent; border: 1px solid var(--line); }
.button--outline:hover { border-color: var(--accent); color: var(--accent); }
.button--wide { width: 100%; justify-content: space-between; margin-top: 18px; }
.icon-button { width: 34px; height: 34px; border: 1px solid var(--line); border-radius: 4px; background: transparent; cursor: pointer; }
.icon-button:hover { border-color: var(--muted); }
.mode-badge { display: inline-flex; align-items: center; border: 1px solid; border-radius: 2px; padding: 5px 7px; font: 600 9px var(--mono); letter-spacing: .08em; white-space: nowrap; }
.mode-badge--demo { color: var(--amber); border-color: rgba(243,189,105,.38); background: rgba(243,189,105,.06); }
.mode-badge--mid { color: var(--blue); border-color: rgba(100,168,255,.38); background: rgba(100,168,255,.06); }
.status-dot { width: 7px; height: 7px; border-radius: 50%; display: inline-block; flex: 0 0 auto; }
.status-dot--red { background: var(--red); box-shadow: 0 0 0 4px rgba(255,112,124,.1); }
.status-dot--amber { background: var(--amber); box-shadow: 0 0 0 4px rgba(243,189,105,.1); }
.status-dot--blue { background: var(--blue); box-shadow: 0 0 0 4px rgba(100,168,255,.1); }
.status-dot--green { background: var(--accent); box-shadow: 0 0 0 4px rgba(94,230,196,.1); }

/* App shell */
.app-body { min-height: 100vh; }
.topbar { height: 64px; display: grid; grid-template-columns: 250px 1fr 250px; align-items: center; padding: 0 28px; border-bottom: 1px solid var(--line); background: #09141e; position: sticky; top: 0; z-index: 20; }
.wordmark { display: inline-flex; align-items: center; gap: 12px; color: var(--text); text-decoration: none; }
.wordmark__mark { width: 32px; height: 32px; display: grid; place-items: center; border: 1px solid var(--accent); color: var(--accent); font: 600 11px var(--mono); }
.wordmark strong { display: block; font-size: 13px; }
.wordmark small { display: block; margin-top: 3px; color: var(--muted); font: 500 8px var(--mono); letter-spacing: .14em; }
.topbar__market { justify-self: center; display: flex; align-items: center; gap: 28px; }
.market-state { display: flex; align-items: center; gap: 10px; font-size: 11px; }
.topbar__meta { padding-left: 28px; border-left: 1px solid var(--line); font-size: 10px; }
.topbar__meta span, .topbar__meta strong { display: block; }
.topbar__meta span { color: var(--muted); margin-bottom: 3px; }
.user-menu { justify-self: end; display: flex; align-items: center; gap: 14px; text-align: right; }
.user-menu strong, .user-menu small { display: block; }
.user-menu strong { font-size: 11px; }
.user-menu small { margin-top: 3px; color: var(--muted); font: 9px var(--mono); text-transform: uppercase; }
.demo-banner { max-width: 1540px; margin: 14px auto 0; padding: 12px 16px; display: flex; justify-content: space-between; align-items: center; gap: 24px; border: 1px solid rgba(243,189,105,.55); border-left: 4px solid var(--amber); background: rgba(243,189,105,.09); color: #ffe2ae; }
.demo-banner div { display: flex; flex-direction: column; gap: 4px; }
.demo-banner strong { font: 700 11px var(--mono); letter-spacing: .05em; }
.demo-banner span { font-size: 11px; }
.demo-banner small { color: #d8bc8c; font-size: 9px; line-height: 1.5; text-align: right; }
.demo-banner.is-executable { border-color: rgba(94,230,196,.45); border-left-color: var(--accent); background: rgba(94,230,196,.07); color: var(--accent); }
.app-shell { max-width: 1540px; margin: 0 auto; padding: 34px 30px 80px; }
.section-heading { display: flex; justify-content: space-between; align-items: end; margin-bottom: 20px; }
.section-heading h1 { font-size: 25px; margin: 0; letter-spacing: -.03em; }
.section-heading__hint { color: var(--muted); font-size: 10px; }
.product-picker { display: grid; grid-template-columns: repeat(6, 1fr); gap: 8px; }
.product-card { min-height: 78px; padding: 14px; display: grid; grid-template-columns: 30px 1fr auto; gap: 10px; align-items: center; text-align: left; border: 1px solid var(--line); border-radius: 4px; background: var(--surface); cursor: pointer; transition: border .15s, background .15s, transform .12s; }
.product-card:hover { border-color: #3d586c; background: var(--surface-2); transform: translateY(-1px); }
.product-card.is-active { border-color: var(--accent); background: rgba(94,230,196,.055); }
.product-card__code { color: var(--accent); font: 600 11px var(--mono); }
.product-card strong, .product-card small { display: block; }
.product-card strong { font-size: 11px; margin-bottom: 5px; }
.product-card small { color: var(--muted); font-size: 8px; line-height: 1.4; }
.product-card__arrow { color: var(--muted); }
.product-card.is-active .product-card__arrow { color: var(--accent); }
.product-card--soon { opacity: .42; cursor: not-allowed; }
.workspace { margin-top: 20px; display: grid; grid-template-columns: minmax(0, 1fr) 330px; gap: 14px; align-items: start; }
.ticket, .result-panel { border: 1px solid var(--line); background: var(--surface); }
.ticket__header { min-height: 72px; padding: 18px 22px; display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid var(--line); }
.ticket__header h2 { margin: 0; font-size: 18px; }
.ticket-id { color: var(--muted); font-size: 9px; }
.product-panel { display: none; padding: 22px; }
.product-panel.is-active { display: block; }
.preset-row { display: flex; align-items: center; gap: 16px; min-height: 48px; padding: 9px 11px; margin-bottom: 20px; border: 1px solid var(--line-soft); background: #0a151f; }
.preset-row__label { color: var(--muted); font-size: 10px; white-space: nowrap; }
.tenor-buttons { display: flex; flex-wrap: wrap; gap: 4px; }
.tenor-buttons button { min-width: 39px; height: 28px; padding: 0 8px; border: 1px solid var(--line); border-radius: 3px; background: var(--surface); color: var(--muted); font: 500 9px var(--mono); cursor: pointer; }
.tenor-buttons button:hover, .tenor-buttons button.is-active { color: var(--accent); border-color: var(--accent); background: rgba(94,230,196,.05); }
.custom-toggle { margin-left: auto; min-height: 30px; padding: 6px 10px; font-size: 9px; }
.form-grid { display: grid; gap: 14px; margin-bottom: 18px; }
.form-grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.form-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.form-grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.amount-input { display: grid; grid-template-columns: 1fr 74px; }
.amount-input input { border-radius: 4px 0 0 4px; }
.amount-input select { border-left: 0; border-radius: 0 4px 4px 0; }
.amount-input--fixed { grid-template-columns: 1fr 64px; }
.amount-input--fixed > span { display: grid; place-items: center; height: 42px; border: 1px solid var(--line); border-left: 0; border-radius: 0 4px 4px 0; background: #0c1721; color: var(--muted); font: 600 10px var(--mono); }
.amount-field { font-variant-numeric: tabular-nums; }
.readonly-value { min-height: 40px; padding: 10px 12px; display: flex; align-items: center; gap: 10px; border: 1px solid var(--line); border-radius: 4px; color: var(--blue); background: #0a151f; font: 500 10px var(--mono); }
.advanced { margin: 20px 0; border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); }
.advanced summary { padding: 13px 0; color: var(--muted); font-size: 10px; cursor: pointer; }
.advanced__content { padding: 4px 0 16px; }
.ticket-actions { display: flex; justify-content: flex-end; gap: 8px; padding-top: 20px; margin-top: 8px; border-top: 1px solid var(--line-soft); }
.leg-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 20px 0; }
.leg { border: 1px solid var(--line); background: #0b1620; }
.leg__title { min-height: 48px; padding: 12px 14px; display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid var(--line); }
.leg__title span { color: var(--muted); font: 500 9px var(--mono); }
.leg__title strong { font-size: 12px; }
.leg > .form-grid { margin: 0; padding: 14px; }
.leg--pay { border-top: 2px solid var(--amber); }
.leg--receive { border-top: 2px solid var(--accent); }
.custom-schedule { margin: 22px 0; padding: 18px; border: 1px solid #385163; background: #09141e; }
.custom-schedule__head { display: flex; justify-content: space-between; align-items: start; gap: 18px; margin-bottom: 18px; }
.custom-schedule__head h3 { margin: 0 0 6px; font-size: 15px; }
.custom-schedule__head p:last-child { margin: 0; color: var(--muted); font-size: 10px; }
.schedule-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px; }
.file-button { cursor: pointer; }
.schedule-grid { display: grid; grid-template-columns: 1fr; gap: 14px; }
.schedule-leg { min-width: 0; border: 1px solid var(--line); }
.schedule-leg__head { padding: 10px 12px; display: flex; justify-content: space-between; align-items: center; background: var(--surface-2); font-size: 10px; }
.table-action { border: 0; background: none; color: var(--accent); font-size: 9px; cursor: pointer; }
.table-scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 9px; }
th { padding: 8px; color: var(--muted); font-weight: 500; text-align: left; border-bottom: 1px solid var(--line); white-space: nowrap; }
td { padding: 5px; border-bottom: 1px solid var(--line-soft); }
td input, td select { min-width: 105px; min-height: 31px; padding: 5px 7px; font-size: 9px; }
.row-delete { width: 25px; height: 25px; border: 0; background: transparent; color: var(--muted); cursor: pointer; }
.row-delete:hover { color: var(--red); }

/* Result rail */
.result-panel { position: sticky; top: 78px; min-height: 490px; }
.result-panel__top { height: 53px; padding: 13px 16px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); }
.result-panel__top .eyebrow { margin: 0; }
.result-empty { min-height: 270px; padding: 48px 28px; text-align: center; display: flex; flex-direction: column; justify-content: center; align-items: center; }
.result-empty__icon { width: 40px; height: 40px; display: grid; place-items: center; margin-bottom: 18px; border: 1px solid var(--line); color: var(--muted); font-size: 18px; }
.result-empty h3 { margin-bottom: 8px; font-size: 14px; }
.result-empty p { max-width: 230px; color: var(--muted); font-size: 10px; line-height: 1.6; }
.result-content { padding: 20px 16px; }
.result-state { margin-bottom: 20px; padding: 8px; border-left: 2px solid var(--blue); background: rgba(100,168,255,.06); color: var(--blue); font: 600 9px var(--mono); }
.result-main { padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.result-main span, .result-main small { display: block; color: var(--muted); font-size: 10px; }
.result-main strong { display: block; margin: 6px 0; color: var(--white); font: 600 31px var(--mono); letter-spacing: -.04em; }
.result-details { display: grid; gap: 9px; margin: 16px 0; }
.result-details div { display: flex; justify-content: space-between; gap: 12px; font-size: 9px; }
.result-details dt { color: var(--muted); }
.result-details dd { margin: 0; font-family: var(--mono); text-align: right; }
.result-warning { padding: 10px; border: 1px solid rgba(243,189,105,.25); color: #c5a875; background: rgba(243,189,105,.04); font-size: 9px; line-height: 1.5; }
.control-stack { border-top: 1px solid var(--line); }
.control-stack > div { display: flex; justify-content: space-between; padding: 11px 16px; border-bottom: 1px solid var(--line-soft); font-size: 9px; }
.control-stack span { color: var(--muted); }
.control-stack strong { font-family: var(--mono); font-size: 8px; }
.trader-console { margin-top: 14px; padding: 22px; display: grid; grid-template-columns: minmax(280px, 1fr) auto; gap: 20px 32px; align-items: center; border: 1px solid var(--line); background: var(--surface); }
.trader-console > .schedule-actions, #market-workbook-result { grid-column: 1 / -1; }
.trader-console h2 { margin-bottom: 6px; font-size: 16px; }
.trader-console p { margin-bottom: 0; font-size: 10px; }
.trader-console__status { display: flex; align-items: center; gap: 12px; }
.trader-console__status small, .trader-console__status strong { display: block; }
.trader-console__status small { color: var(--muted); font-size: 8px; }
.trader-console__status strong { margin-top: 4px; font: 600 10px var(--mono); }

@media (max-width: 1180px) {
  .product-picker { grid-template-columns: repeat(3, 1fr); }
  .topbar { grid-template-columns: 210px 1fr 190px; }
  .topbar__meta { display: none; }
  .workspace { grid-template-columns: 1fr 290px; }
  .form-grid--4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 820px) {
  .login-shell { grid-template-columns: 1fr; }
  .login-brand { display: none; }
  .login-card { padding: 42px 28px; }
  .topbar { grid-template-columns: 1fr auto; padding: 0 16px; }
  .topbar__market { display: none; }
  .demo-banner { margin: 10px 14px 0; align-items: flex-start; flex-direction: column; gap: 8px; }
  .demo-banner small { text-align: left; }
  .app-shell { padding: 24px 14px 60px; }
  .section-heading__hint { display: none; }
  .product-picker { grid-template-columns: repeat(2, 1fr); }
  .workspace { grid-template-columns: 1fr; }
  .result-panel { position: static; }
  .leg-grid, .schedule-grid { grid-template-columns: 1fr; }
  .form-grid--3, .form-grid--4 { grid-template-columns: 1fr 1fr; }
  .preset-row { align-items: flex-start; flex-wrap: wrap; }
  .custom-toggle { margin-left: 0; }
}
@media (max-width: 520px) {
  .form-grid--2, .form-grid--3, .form-grid--4 { grid-template-columns: 1fr; }
  .product-picker { grid-template-columns: 1fr; }
  .product-card--soon { display: none; }
  .ticket__header { padding: 16px; }
  .product-panel { padding: 16px; }
  .ticket-id { display: none; }
}