:root {
  color-scheme: light dark;
  --bg: #0b111a;
  --bg-soft: #111b29;
  --panel: rgba(18, 28, 42, .82);
  --panel-strong: #152235;
  --line: rgba(153, 181, 211, .18);
  --line-strong: rgba(153, 181, 211, .34);
  --text: #f4f6f8;
  --muted: #9eacbd;
  --accent: #d5b66f;
  --accent-strong: #f2d48b;
  --green: #77c8a1;
  --red: #e28d86;
  --shadow: 0 24px 80px rgba(0, 0, 0, .28);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang SC", "Microsoft YaHei", sans-serif;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f3efe7;
    --bg-soft: #ebe4d8;
    --panel: rgba(255, 253, 249, .82);
    --panel-strong: #fffdf8;
    --line: rgba(58, 48, 34, .12);
    --line-strong: rgba(58, 48, 34, .24);
    --text: #231f18;
    --muted: #71695f;
    --accent: #89661f;
    --accent-strong: #624613;
    --green: #26785a;
    --red: #a0443e;
    --shadow: 0 24px 70px rgba(61, 48, 25, .12);
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { min-height: 100%; background: var(--bg); }
body {
  min-height: 100vh;
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 14% -4%, color-mix(in srgb, var(--accent) 20%, transparent) 0, transparent 31rem),
    radial-gradient(circle at 96% 18%, color-mix(in srgb, var(--green) 9%, transparent) 0, transparent 28rem),
    var(--bg);
}

button, input, select, textarea { font: inherit; }
button, select { cursor: pointer; }
.shell { width: min(1180px, calc(100% - 40px)); margin: 0 auto; padding: 48px 0 104px; }
.back { display: inline-flex; color: var(--muted); text-decoration: none; font-size: .84rem; font-weight: 750; letter-spacing: .08em; }
.back:hover { color: var(--text); }
.hero { position: relative; display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 32px; padding-top: 38px; }
.back { position: absolute; top: 0; left: 0; }
.eyebrow { margin: 0 0 10px; color: var(--accent); font-size: .72rem; font-weight: 800; letter-spacing: .17em; }
h1, h2, p { margin-top: 0; }
h1 { margin-bottom: 18px; font-size: clamp(3.4rem, 8vw, 6.8rem); line-height: .88; letter-spacing: -.075em; }
h1 span { color: var(--accent-strong); font-weight: 440; }
h2 { margin-bottom: 0; font-size: clamp(1.25rem, 2.4vw, 1.75rem); letter-spacing: -.035em; }
.lede { max-width: 670px; margin-bottom: 0; color: var(--muted); line-height: 1.75; }
.trip-window {
  min-width: 236px;
  padding: 21px 22px;
  border: 1px solid var(--line-strong);
  border-radius: 20px;
  background: color-mix(in srgb, var(--panel-strong) 86%, transparent);
  box-shadow: var(--shadow);
}
.trip-window span, .trip-window small { display: block; color: var(--muted); font-size: .67rem; letter-spacing: .12em; }
.trip-window strong { display: block; margin: 7px 0; color: var(--accent-strong); font-size: 1.75rem; letter-spacing: -.045em; }

.summary-panel, .people-panel, .entry-panel, .principles, .records-panel {
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
}
.summary-panel { margin-top: 48px; padding: 28px; border-radius: 28px; }
.section-heading { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; }
.heading-actions { display: flex; align-items: center; gap: 9px; }
.status-pill {
  margin: 0;
  padding: 7px 11px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--muted);
  font-size: .77rem;
  white-space: nowrap;
}
.status-pill.ok { color: var(--green); border-color: color-mix(in srgb, var(--green) 50%, transparent); }
.status-pill.error { color: var(--red); border-color: color-mix(in srgb, var(--red) 50%, transparent); }
.summary-grid { display: grid; grid-template-columns: 1fr .65fr 1.3fr; gap: 12px; margin-top: 24px; }
.metric { min-height: 128px; padding: 19px; border: 1px solid var(--line); border-radius: 20px; background: color-mix(in srgb, var(--panel-strong) 78%, transparent); }
.metric > span { display: block; color: var(--muted); font-size: .78rem; }
.metric > strong { display: block; margin: 11px 0 4px; font-size: clamp(1.8rem, 4vw, 2.65rem); letter-spacing: -.05em; }
.metric > small { display: block; color: var(--muted); }
.fx-state { margin-top: 7px; font-size: .7rem; line-height: 1.45; }
.metric-primary { overflow: hidden; position: relative; }
.metric-primary::after { content: ""; position: absolute; width: 130px; height: 130px; top: -60px; right: -42px; border: 28px solid color-mix(in srgb, var(--accent) 20%, transparent); border-radius: 50%; }
.currency-totals { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 13px; }
.currency-chip { display: inline-flex; align-items: baseline; gap: 6px; padding: 8px 10px; border: 1px solid var(--line); border-radius: 12px; }
.currency-chip b { font-size: 1.05rem; }
.currency-chip small { color: var(--muted); font-size: .67rem; }
.category-bars { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 9px; margin-top: 16px; }
.category-bar { position: relative; overflow: hidden; min-height: 45px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 13px; }
.category-bar::before { content: ""; position: absolute; inset: 0 auto 0 0; width: var(--fill); background: color-mix(in srgb, var(--accent) 14%, transparent); }
.category-bar span { position: relative; display: flex; justify-content: space-between; gap: 8px; font-size: .78rem; }
.category-bar b { font-weight: 750; }

.people-panel { margin-top: 16px; padding: 28px; border-radius: 28px; }
.section-note { max-width: 640px; margin: 8px 0 0; color: var(--muted); font-size: .82rem; line-height: 1.65; }
.person-create-form { display: grid; grid-template-columns: minmax(180px, 1fr) minmax(150px, .55fr) auto minmax(130px, .7fr); gap: 12px; align-items: end; }
.person-create-form > p { margin: 0; align-self: center; color: var(--muted); font-size: .8rem; }
.people-list { display: grid; gap: 9px; margin-top: 20px; }
.person-row {
  display: grid;
  grid-template-columns: 28px minmax(140px, 1fr) minmax(120px, .55fr) auto auto;
  gap: 10px;
  align-items: center;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: color-mix(in srgb, var(--panel-strong) 58%, transparent);
}
.person-row.inactive { opacity: .62; }
.person-dot { width: 13px; height: 13px; margin: auto; border-radius: 50%; background: var(--person-color); box-shadow: 0 0 0 5px color-mix(in srgb, var(--person-color) 17%, transparent); }
.person-row input, .person-row select { min-height: 40px; }
.person-state { display: inline-flex; align-items: center; gap: 7px; color: var(--muted); font-size: .76rem; white-space: nowrap; }
.person-state input { width: 17px; min-height: 17px; accent-color: var(--green); }
.person-row-actions { display: flex; gap: 6px; }
.person-row-actions button { min-height: 36px; padding: 0 10px; border: 1px solid var(--line-strong); border-radius: 10px; background: transparent; color: var(--text); font-size: .74rem; font-weight: 750; }
.person-row-actions .danger { color: var(--red); }

.ledger-layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 16px; margin-top: 16px; align-items: start; }
.entry-panel, .records-panel { padding: 28px; border-radius: 28px; }
.principles { position: sticky; top: 18px; padding: 26px; border-radius: 26px; }
.principles ul { margin: 18px 0 0; padding-left: 1.1rem; color: var(--muted); line-height: 1.8; }
.principles li + li { margin-top: 7px; }

form { margin-top: 24px; }
.form-grid, .money-row { display: grid; width: 100%; gap: 13px; margin-bottom: 13px; }
.form-grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.money-row { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.form-grid > *, .money-row > *, label { min-width: 0; }
label { display: grid; width: 100%; gap: 8px; color: var(--muted); font-size: .79rem; font-weight: 650; }
.form-hint {
  margin: -2px 0 14px;
  color: var(--muted);
  font-size: .74rem;
  line-height: 1.55;
}
.participants-field { min-width: 0; margin: 0; padding: 0; border: 0; }
.participants-field legend { margin-bottom: 8px; color: var(--muted); font-size: .79rem; font-weight: 650; }
.participant-options { display: flex; flex-wrap: wrap; gap: 8px; min-height: 48px; padding: 7px; border: 1px solid var(--line-strong); border-radius: 14px; background: color-mix(in srgb, var(--bg) 68%, transparent); }
.participant-options > p { align-self: center; margin: 0 6px; color: var(--muted); font-size: .78rem; }
.participant-option { position: relative; display: inline-flex; align-items: center; gap: 7px; padding: 7px 10px; border: 1px solid var(--line); border-radius: 999px; color: var(--text); font-size: .77rem; cursor: pointer; }
.participant-option input { position: absolute; width: 1px; height: 1px; min-height: 0; opacity: 0; }
.participant-option::before { content: ""; width: 9px; height: 9px; border-radius: 50%; background: var(--person-color); }
.participant-option:has(input:checked) { border-color: var(--person-color); background: color-mix(in srgb, var(--person-color) 14%, transparent); }
input, select, textarea {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  border: 1px solid var(--line-strong);
  border-radius: 14px;
  outline: 0;
  background: color-mix(in srgb, var(--bg) 68%, transparent);
  color: var(--text);
  box-shadow:
    inset 0 1px 0 color-mix(in srgb, #fff 7%, transparent),
    0 8px 24px color-mix(in srgb, #000 8%, transparent);
  transition: border-color .18s ease, box-shadow .18s ease, background .18s ease, transform .18s ease;
}
input, select { height: 50px; min-height: 50px; padding: 0 14px; }
select {
  -webkit-appearance: none;
  appearance: none;
  padding-right: 44px;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--accent-strong) 50%),
    linear-gradient(135deg, var(--accent-strong) 50%, transparent 50%),
    linear-gradient(to right, var(--line), var(--line));
  background-position:
    calc(100% - 19px) 22px,
    calc(100% - 14px) 22px,
    calc(100% - 38px) 11px;
  background-size: 5px 5px, 5px 5px, 1px 28px;
  background-repeat: no-repeat;
}
select:hover {
  border-color: color-mix(in srgb, var(--accent) 68%, var(--line-strong));
  background-color: color-mix(in srgb, var(--panel-strong) 78%, transparent);
}
select option {
  background: var(--panel-strong);
  color: var(--text);
}
input[type="date"],
input[type="datetime-local"] {
  appearance: none;
  -webkit-appearance: none;
}
input[type="date"]::-webkit-calendar-picker-indicator,
input[type="datetime-local"]::-webkit-calendar-picker-indicator {
  opacity: .72;
  cursor: pointer;
  filter: sepia(.28) saturate(1.35);
}
textarea { resize: vertical; min-height: 94px; padding: 13px; line-height: 1.6; }
input::placeholder, textarea::placeholder { color: color-mix(in srgb, var(--muted) 68%, transparent); }
input:focus, select:focus, textarea:focus {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--panel-strong) 88%, transparent);
  box-shadow:
    inset 0 1px 0 color-mix(in srgb, #fff 10%, transparent),
    0 0 0 4px color-mix(in srgb, var(--accent) 13%, transparent),
    0 14px 32px color-mix(in srgb, #000 12%, transparent);
}
.form-actions { display: flex; align-items: center; gap: 16px; margin-top: 19px; }
.form-actions p { min-height: 1.2em; margin: 0; color: var(--muted); font-size: .82rem; }
.primary-button, .filters > button[type="submit"] {
  min-height: 48px;
  padding: 0 20px;
  border: 0;
  border-radius: 14px;
  background: var(--accent-strong);
  color: color-mix(in srgb, var(--bg) 91%, #000);
  font-weight: 850;
}
button:disabled { opacity: .48; cursor: wait; }
.text-button, .secondary-button, .export-actions button, .entry-actions button {
  min-height: 38px;
  padding: 0 12px;
  border: 1px solid var(--line-strong);
  border-radius: 11px;
  background: transparent;
  color: var(--text);
  font-weight: 720;
}
.text-button { color: var(--accent-strong); }
.export-actions { display: grid; gap: 9px; margin-top: 24px; }

.records-panel { margin-top: 16px; }
.filters { grid-template-columns: repeat(4, minmax(0, 1fr)) auto auto; gap: 10px; align-items: end; padding: 16px; border: 1px solid var(--line); border-radius: 17px; background: color-mix(in srgb, var(--bg-soft) 70%, transparent); }
.filters:not([hidden]) { display: grid; }
.filters input, .filters select { min-height: 42px; }
.filters > button { min-height: 42px; }
.entries { display: grid; gap: 10px; margin-top: 22px; }
.expense {
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr) auto;
  gap: 18px;
  align-items: center;
  padding: 17px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: color-mix(in srgb, var(--panel-strong) 58%, transparent);
}
.expense-time { color: var(--muted); font-size: .75rem; line-height: 1.55; }
.expense-main h3 { margin: 0; font-size: 1rem; letter-spacing: -.015em; }
.expense-main p { margin: 5px 0 0; color: var(--muted); font-size: .79rem; line-height: 1.55; }
.expense-amount { text-align: right; }
.expense-amount strong { display: block; font-size: 1.15rem; }
.expense-amount small { color: var(--muted); }
.entry-actions { display: flex; justify-content: flex-end; gap: 6px; margin-top: 9px; }
.entry-actions button { min-height: 30px; padding: 0 8px; font-size: .7rem; }
.entry-actions .danger { color: var(--red); }
.empty-state { margin: 8px 0; padding: 36px 16px; border: 1px dashed var(--line-strong); border-radius: 18px; color: var(--muted); text-align: center; }

@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; }
  .trip-window { width: 100%; }
  .summary-grid { grid-template-columns: 1fr 1fr; }
  .metric-wide { grid-column: 1 / -1; }
  .ledger-layout { grid-template-columns: 1fr; }
  .principles { position: static; }
  .filters { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .person-create-form { grid-template-columns: 1fr 1fr; }
  .person-row { grid-template-columns: 24px 1fr 1fr; }
  .person-state, .person-row-actions { grid-column: 2 / -1; }
}

@media (max-width: 600px) {
  .shell { width: min(100% - 24px, 1180px); padding: 30px 0 72px; }
  .hero { padding-top: 44px; gap: 19px; }
  h1 { font-size: 3.55rem; }
  .summary-panel, .people-panel, .entry-panel, .records-panel { padding: 20px; border-radius: 22px; }
  .section-heading { flex-wrap: wrap; }
  .heading-actions { width: 100%; justify-content: space-between; }
  .summary-grid { grid-template-columns: 1fr 1fr; }
  .metric { min-height: 112px; padding: 15px; }
  .metric > strong { font-size: 1.8rem; }
  .metric-primary { grid-column: 1 / -1; }
  .form-grid.two, .money-row { grid-template-columns: minmax(0, 1fr); }
  .form-actions { display: grid; }
  .filters { grid-template-columns: 1fr 1fr; }
  .person-create-form { grid-template-columns: 1fr; }
  .person-row { grid-template-columns: 22px minmax(0, 1fr); }
  .person-row > select { grid-column: 2; }
  .person-state, .person-row-actions { grid-column: 2; }
  .expense { grid-template-columns: 88px minmax(0, 1fr); gap: 12px; }
  .expense-amount { grid-column: 1 / -1; display: flex; align-items: center; justify-content: space-between; text-align: left; padding-top: 11px; border-top: 1px solid var(--line); }
  .entry-actions { margin-top: 0; }
}

[hidden]{display:none!important}