:root {
    --paper: #F5F2EA;
    --paper-deep: #ECE7DB;
    --card: #FCFBF7;
    --ink: #203B32;
    --ink-soft: #53665C;
    --muted: #8B9188;
    --line: #E1DCD0;
    --green: #1E4B3D;
    --green-soft: #E8EEE7;
    --gold: #A3763E;
    --danger: #A65242;
    --shadow: 0 12px 36px rgba(37, 54, 45, .055);
    --serif: "Songti SC", "STSong", "Noto Serif CJK SC", Georgia, serif;
    --sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    min-width: 320px;
    background: var(--paper);
    color: var(--ink);
    font: 14px/1.55 var(--sans);
    -webkit-font-smoothing: antialiased;
}
button, input { font: inherit; }
button { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { border: 0; cursor: pointer; }
[hidden] { display: none !important; }
::selection { background: #CBDCCF; color: var(--green); }

.app-shell { display: flex; min-height: 100vh; }
.side-rail {
    position: fixed;
    inset: 0 auto 0 0;
    z-index: 20;
    display: flex;
    width: 232px;
    padding: 38px 28px 28px;
    flex-direction: column;
    border-right: 1px solid var(--line);
    background: rgba(245, 242, 234, .94);
    backdrop-filter: blur(18px);
}
.brand, .mobile-brand { display: flex; align-items: center; color: inherit; text-decoration: none; }
.brand-mark {
    display: grid;
    width: 44px;
    height: 44px;
    place-items: center;
    border-radius: 15px 15px 15px 4px;
    background: var(--green);
    color: #F8F3E6;
    font: 600 19px/1 var(--serif);
}
.brand-copy { display: flex; margin-left: 12px; flex-direction: column; }
.brand-copy strong { font: 700 20px/1.2 var(--serif); letter-spacing: 2px; }
.brand-copy small { margin-top: 5px; color: var(--muted); font-size: 8px; letter-spacing: 2px; }
.side-nav { display: flex; margin-top: 70px; flex-direction: column; gap: 6px; }
.nav-item {
    display: flex;
    width: 100%;
    padding: 14px 12px;
    align-items: center;
    border-radius: 12px;
    background: transparent;
    color: #707C74;
    font-size: 13px;
    text-align: left;
    transition: background .2s, color .2s;
}
.nav-item:hover { background: rgba(30, 75, 61, .05); color: var(--green); }
.nav-item.is-active { background: var(--green); color: #FFFDF7; }
.nav-index { width: 32px; color: #A5A99E; font: 10px/1 var(--serif); letter-spacing: 1px; }
.nav-item.is-active .nav-index { color: #B8CCBE; }
.rail-foot { display: flex; align-items: flex-start; margin-top: auto; padding-top: 20px; border-top: 1px solid var(--line); color: var(--ink-soft); }
.rail-foot strong, .rail-foot small { display: block; }
.rail-foot strong { font-size: 11px; font-weight: 600; }
.rail-foot small { margin-top: 4px; color: var(--muted); font-size: 9px; line-height: 1.5; }
.local-dot { width: 7px; height: 7px; margin: 6px 9px 0 0; border-radius: 50%; background: #6B8F76; box-shadow: 0 0 0 4px rgba(107, 143, 118, .12); }

.app-main { width: calc(100% - 232px); max-width: 1220px; margin-left: 232px; padding: 46px 52px 60px; }
.mobile-topbar, .mobile-nav { display: none; }
.view { display: none; animation: rise .36s cubic-bezier(.2, .7, .2, 1); }
.view.is-active { display: block; }
@keyframes rise { from { opacity: 0; transform: translateY(7px); } to { opacity: 1; transform: none; } }

.page-head { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 30px; }
.eyebrow { display: block; color: #909588; font-size: 9px; font-weight: 600; letter-spacing: 2.7px; }
.page-head h1 { margin: 8px 0 0; font: 700 38px/1.2 var(--serif); letter-spacing: 2px; }
.page-head p { margin: 9px 0 0; color: var(--muted); font-size: 12px; }
.header-add {
    display: flex;
    height: 42px;
    padding: 0 18px;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: var(--green);
    color: #FFFDF7;
    font-size: 12px;
    font-weight: 600;
    box-shadow: 0 8px 20px rgba(30, 75, 61, .13);
    transition: transform .18s, background .18s;
}
.header-add:hover { background: #173D31; transform: translateY(-1px); }
.plus { position: relative; width: 13px; height: 13px; margin-right: 8px; }
.plus::before, .plus::after { position: absolute; top: 6px; left: 1px; width: 11px; height: 1.5px; border-radius: 2px; background: currentColor; content: ""; }
.plus::after { transform: rotate(90deg); }

.trip-switch {
    display: flex;
    width: 100%;
    padding: 16px 2px;
    align-items: center;
    border-top: 1px solid #D9D3C6;
    border-bottom: 1px solid #D9D3C6;
    background: transparent;
    text-align: left;
}
.trip-monogram { display: grid; width: 38px; height: 38px; margin-right: 13px; place-items: center; border-radius: 12px; background: #EAE2D2; color: #8C6C3E; font: 600 12px/1 var(--serif); }
.trip-switch-copy { display: flex; min-width: 0; flex: 1; flex-direction: column; }
.trip-overline { color: var(--muted); font-size: 9px; letter-spacing: 1.2px; }
.trip-overline em { margin-left: 8px; padding-left: 8px; border-left: 1px solid #D1CBBD; color: var(--gold); font-style: normal; letter-spacing: 0; }
.trip-switch-copy strong { overflow: hidden; margin-top: 4px; font: 600 17px/1.3 var(--serif); text-overflow: ellipsis; white-space: nowrap; }
.trip-switch-copy small { margin-top: 2px; color: var(--muted); font-size: 10px; }
.trip-switch-date { display: flex; align-items: flex-end; flex-direction: column; margin-left: 14px; color: var(--ink-soft); font-size: 10px; }
.trip-switch-date b { margin-top: 9px; color: var(--green); font-size: 10px; font-weight: 600; }

.hero-card {
    position: relative;
    overflow: hidden;
    margin-top: 22px;
    padding: 28px 30px 24px;
    border-radius: 22px;
    background: var(--green);
    color: #FFFDF7;
    box-shadow: 0 22px 46px rgba(26, 65, 54, .16);
}
.hero-orbit { position: absolute; border: 1px solid rgba(255,255,255,.095); border-radius: 50%; }
.orbit-a { top: -130px; right: -80px; width: 380px; height: 380px; }
.orbit-b { top: -35px; right: 50px; width: 180px; height: 180px; }
.hero-top { position: relative; display: flex; align-items: center; justify-content: space-between; color: rgba(255,255,255,.7); font-size: 10px; letter-spacing: .7px; }
.hero-top span:last-child { color: rgba(255,255,255,.46); }
.hero-amount { position: relative; display: flex; align-items: flex-start; margin: 17px 0 25px; }
.hero-amount small { margin: 7px 8px 0 0; color: #E3C890; font: 500 20px/1 var(--serif); }
.hero-amount strong { font: 500 53px/.98 var(--serif); font-variant-numeric: tabular-nums; letter-spacing: -1.5px; }
.budget-row, .budget-foot { position: relative; display: flex; justify-content: space-between; }
.budget-row { color: rgba(255,255,255,.84); font-size: 10px; }
.budget-track { position: relative; overflow: hidden; height: 4px; margin-top: 10px; border-radius: 10px; background: rgba(255,255,255,.15); }
.budget-track span { display: block; width: 0; height: 100%; border-radius: inherit; background: #E3C890; transition: width .55s ease; }
.budget-track span.is-over { background: #D9886D; }
.budget-foot { margin-top: 9px; color: rgba(255,255,255,.43); font-size: 9px; }

.metric-strip { display: grid; margin-top: 16px; padding: 19px 20px; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--line); border-radius: 16px; background: var(--card); box-shadow: var(--shadow); }
.metric-strip div { display: flex; align-items: center; flex-direction: column; border-right: 1px solid #EAE5DA; }
.metric-strip div:last-child { border-right: 0; }
.metric-strip strong { color: var(--ink); font: 600 18px/1.2 var(--serif); font-variant-numeric: tabular-nums; }
.metric-strip span { margin-top: 6px; color: var(--muted); font-size: 9px; }

.content-grid { display: grid; margin-top: 4px; grid-template-columns: minmax(0, 1.55fr) minmax(260px, .8fr); gap: 34px; }
.section-heading { display: flex; min-height: 32px; align-items: baseline; justify-content: space-between; margin: 30px 0 12px; }
.section-heading h2 { margin: 0; font: 600 17px/1.3 var(--serif); letter-spacing: .6px; }
.section-heading span, .section-heading button { color: var(--muted); font-size: 9px; }
.section-heading button { padding: 5px 0; background: transparent; }
.section-heading button:hover { color: var(--green); }
.panel { border: 1px solid var(--line); border-radius: 17px; background: var(--card); box-shadow: var(--shadow); }
.category-panel { padding: 3px 18px; }
.category-item { display: flex; padding: 14px 0; align-items: center; border-bottom: 1px solid #EEEAE1; }
.category-item:last-child { border-bottom: 0; }
.category-badge { display: grid; width: 38px; height: 38px; flex: 0 0 auto; place-items: center; border-radius: 12px; font: 600 12px/1 var(--serif); }
.category-main { min-width: 0; margin-left: 11px; flex: 1; }
.category-line { display: flex; align-items: baseline; justify-content: space-between; }
.category-line strong { font-size: 12px; font-weight: 550; }
.category-line em { margin-left: 6px; color: var(--muted); font-size: 9px; font-style: normal; }
.category-amount { color: var(--ink); font: 500 12px/1 var(--serif); font-variant-numeric: tabular-nums; }
.category-bottom { display: flex; margin-top: 8px; align-items: center; gap: 8px; }
.mini-track { overflow: hidden; height: 3px; flex: 1; border-radius: 4px; background: #EFEDE5; }
.mini-track i { display: block; height: 100%; border-radius: inherit; }
.category-bottom small { width: 26px; color: var(--muted); font-size: 8px; text-align: right; }
.empty-inline { padding: 34px 20px; color: var(--muted); font-size: 11px; text-align: center; }

.recent-list { overflow: hidden; padding: 0 17px; }
.expense-row { display: flex; width: 100%; padding: 14px 0; align-items: center; border-bottom: 1px solid #EEEAE1; background: transparent; text-align: left; }
.expense-row:last-child { border-bottom: 0; }
.expense-row:hover .expense-title { color: var(--green); }
.expense-main { min-width: 0; margin-left: 11px; flex: 1; }
.expense-main strong, .expense-main small { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.expense-title { color: var(--ink); font-size: 12px; font-weight: 550; transition: color .18s; }
.expense-main small { margin-top: 4px; color: var(--muted); font-size: 9px; }
.expense-right { margin-left: 10px; text-align: right; }
.expense-right strong { display: block; color: var(--ink); font: 500 12px/1 var(--serif); font-variant-numeric: tabular-nums; }
.expense-right small { display: block; margin-top: 5px; color: #A4A79D; font-size: 8px; }
.members-panel { padding: 17px; }
.avatar-stack { display: flex; flex-wrap: wrap; gap: 5px; }
.avatar { display: grid; width: 34px; height: 34px; place-items: center; border: 2px solid var(--card); border-radius: 50%; color: #fff; font: 500 10px/1 var(--serif); }
.members-panel p { margin: 15px 0 0; color: var(--ink-soft); font-size: 11px; }
.members-panel p b { color: var(--gold); font-weight: 550; }
.note-panel { display: flex; margin-top: 16px; padding: 17px; align-items: flex-start; background: #EFE9DC; box-shadow: none; }
.note-mark { display: grid; width: 32px; height: 32px; flex: 0 0 auto; margin-right: 11px; place-items: center; border: 1px solid #D6CCB9; border-radius: 10px 10px 10px 3px; color: #886B42; font: 600 10px/1 var(--serif); }
.note-panel strong { font: 600 12px/1.3 var(--serif); }
.note-panel p { margin: 5px 0 0; color: #7E7A6C; font-size: 9px; line-height: 1.65; }
.primary-action { display: flex; min-height: 45px; padding: 0 22px; align-items: center; justify-content: center; border-radius: 13px; background: var(--green); color: #FFFDF7; font-size: 12px; font-weight: 600; box-shadow: 0 10px 22px rgba(30,75,61,.13); transition: background .18s, transform .18s; }
.primary-action:hover { background: #173D31; transform: translateY(-1px); }
.desktop-add { width: 100%; margin-top: 26px; }

.search-row { display: flex; gap: 12px; }
.search-field { display: flex; width: 100%; height: 47px; padding: 0 17px; align-items: center; border: 1px solid var(--line); border-radius: 14px; background: var(--card); }
.search-icon { width: 14px; height: 14px; margin-right: 10px; border: 1.5px solid #7E8B82; border-radius: 50%; }
.search-icon::after { display: block; width: 6px; height: 1.5px; margin: 11px 0 0 10px; background: #7E8B82; content: ""; transform: rotate(45deg); }
.search-field input { min-width: 0; height: 100%; flex: 1; border: 0; outline: 0; background: transparent; color: var(--ink); font-size: 12px; }
.search-field input::placeholder { color: #AAAca4; }
.search-field button { display: none; width: 25px; height: 25px; border-radius: 50%; background: #EFEEE8; color: #8A9088; font-size: 17px; }
.search-field button.is-visible { display: block; }
.filter-row { overflow-x: auto; display: flex; margin-top: 16px; border-bottom: 1px solid var(--line); scrollbar-width: none; }
.filter-row::-webkit-scrollbar { display: none; }
.filter-chip { position: relative; flex: 0 0 auto; padding: 12px 2px 11px; margin-right: 25px; background: transparent; color: var(--muted); font-size: 11px; white-space: nowrap; }
.filter-chip::after { position: absolute; right: 0; bottom: -1px; left: 0; height: 2px; background: transparent; content: ""; }
.filter-chip.is-active { color: var(--green); font-weight: 600; }
.filter-chip.is-active::after { background: var(--green); }
.record-summary { display: flex; margin-top: 20px; align-items: baseline; justify-content: space-between; color: var(--muted); font-size: 10px; }
.record-summary strong { color: var(--ink); font: 500 16px/1 var(--serif); font-variant-numeric: tabular-nums; }
.date-group { margin-top: 22px; }
.date-title { display: flex; margin-bottom: 9px; align-items: baseline; justify-content: space-between; padding: 0 3px; }
.date-title strong { font-size: 11px; font-weight: 600; }
.date-title span { margin-left: 8px; color: var(--muted); font-size: 8px; }
.date-title b { color: var(--muted); font: 400 10px/1 var(--serif); }
.record-panel { overflow: hidden; padding: 0 17px; border: 1px solid var(--line); border-radius: 16px; background: var(--card); }
.record-row { display: flex; width: 100%; padding: 15px 0; align-items: center; border-bottom: 1px solid #EEEAE1; background: transparent; text-align: left; }
.record-row:last-child { border-bottom: 0; }
.record-row:hover .expense-title { color: var(--green); }
.record-edit { padding: 3px 0; color: #A0A49A; font-size: 8px; }
.empty-state { padding: 70px 24px; text-align: center; }
.empty-mark { display: grid; width: 54px; height: 54px; margin: auto; place-items: center; border: 1px solid #D7DED3; border-radius: 17px 17px 17px 5px; background: var(--green-soft); color: var(--green); font: 600 18px/1 var(--serif); }
.empty-state h3 { margin: 15px 0 0; font: 600 17px/1.4 var(--serif); }
.empty-state p { max-width: 330px; margin: 7px auto 18px; color: var(--muted); font-size: 11px; line-height: 1.7; }
.quiet-button, .secondary-action { min-height: 41px; padding: 0 17px; border: 1px solid #D9DDD4; border-radius: 11px; background: var(--card); color: var(--green); font-size: 11px; font-weight: 550; }
.quiet-button:hover, .secondary-action:hover { background: var(--green-soft); }

.current-trip-banner { position: relative; overflow: hidden; padding: 27px 28px; border-radius: 20px; background: #E9E2D4; }
.current-trip-banner::after { position: absolute; top: -110px; right: -55px; width: 290px; height: 290px; border: 1px solid rgba(100,105,88,.12); border-radius: 50%; content: ""; }
.current-topline { display: flex; align-items: center; justify-content: space-between; color: #858675; font-size: 9px; letter-spacing: 1px; }
.current-topline em { padding: 3px 7px; border-radius: 5px; background: rgba(255,255,255,.45); color: #866B43; font-style: normal; letter-spacing: 0; }
.current-trip-banner h2 { margin: 14px 0 0; font: 700 27px/1.25 var(--serif); }
.current-trip-banner p { margin: 7px 0 0; color: #7B8074; font-size: 11px; }
.current-meta { display: flex; margin-top: 22px; padding-top: 17px; border-top: 1px solid rgba(85,96,82,.14); gap: 60px; }
.current-meta div { display: flex; flex-direction: column; }
.current-meta span { color: #8B8D7E; font-size: 8px; }
.current-meta strong { margin-top: 4px; color: #41564C; font-size: 11px; font-weight: 550; }
.current-edit { position: absolute; z-index: 1; top: 25px; right: 26px; padding: 7px 11px; border: 1px solid rgba(70,88,75,.17); border-radius: 8px; background: transparent; color: #516358; font-size: 9px; }
.members-settings { overflow: hidden; padding: 0 18px; }
.member-add { display: flex; padding: 13px 0; border-bottom: 1px solid #EFEBE2; gap: 9px; }
.member-add input { min-width: 0; height: 38px; flex: 1; padding: 0 13px; border: 1px solid var(--line); border-radius: 10px; outline: 0; background: #F8F6F0; color: var(--ink); font-size: 11px; }
.member-add button { width: 66px; border-radius: 10px; background: var(--green); color: #fff; font-size: 10px; }
.member-row { display: flex; padding: 14px 0; align-items: center; border-bottom: 1px solid #EFEBE2; }
.member-row:last-child { border-bottom: 0; }
.member-copy { min-width: 0; flex: 1; margin-left: 11px; }
.member-copy strong { font-size: 12px; font-weight: 550; }
.member-copy small { display: block; overflow: hidden; margin-top: 3px; color: var(--muted); font-size: 8px; text-overflow: ellipsis; white-space: nowrap; }
.member-balance { margin-left: 10px; text-align: right; }
.member-balance strong { display: block; font-size: 9px; font-weight: 550; }
.member-balance strong.positive { color: #397A68; }
.member-balance strong.negative { color: #B06A50; }
.member-balance strong.neutral { color: var(--muted); }
.member-balance button { margin-top: 5px; padding: 2px 0; background: transparent; color: #ADB0A8; font-size: 8px; }
.settlement-panel { padding: 15px 18px; }
.settlement-tip { margin-bottom: 7px; padding: 11px 13px; border-radius: 10px; background: #F2EFE5; color: #858173; font-size: 9px; }
.transfer-row { display: flex; padding: 13px 0; align-items: center; border-bottom: 1px solid #EFEBE2; }
.transfer-row:last-child { border-bottom: 0; }
.transfer-number { display: grid; width: 26px; height: 26px; flex: 0 0 auto; margin-right: 10px; place-items: center; border-radius: 8px; background: var(--green-soft); color: var(--green); font: 600 9px/1 var(--serif); }
.transfer-row div { min-width: 0; flex: 1; }
.transfer-row div strong { font-size: 11px; font-weight: 550; }
.transfer-row div small { display: block; margin-top: 3px; color: var(--muted); font-size: 8px; }
.transfer-row > b { color: var(--green); font: 600 13px/1 var(--serif); font-variant-numeric: tabular-nums; }
.settled-state { display: flex; padding: 12px 0; align-items: center; gap: 12px; }
.settled-state span { display: grid; width: 36px; height: 36px; place-items: center; border-radius: 11px; background: var(--green-soft); color: var(--green); font: 600 11px/1 var(--serif); }
.settled-state strong { font: 600 12px/1.3 var(--serif); }
.settled-state small { display: block; margin-top: 4px; color: var(--muted); font-size: 9px; }
.trip-list { overflow: hidden; padding: 0 18px; }
.trip-row { display: flex; width: 100%; padding: 14px 0; align-items: center; border-bottom: 1px solid #EFEBE2; background: transparent; text-align: left; }
.trip-row:last-child { border-bottom: 0; }
.trip-radio { width: 16px; height: 16px; margin-right: 11px; border: 1px solid #CDD4CB; border-radius: 50%; }
.trip-row.is-current .trip-radio { border: 4px solid var(--green); }
.trip-row-copy { min-width: 0; flex: 1; }
.trip-row-copy strong { display: block; overflow: hidden; font-size: 11px; font-weight: 550; text-overflow: ellipsis; white-space: nowrap; }
.trip-row-copy small { display: block; overflow: hidden; margin-top: 4px; color: var(--muted); font-size: 8px; text-overflow: ellipsis; white-space: nowrap; }
.trip-row-total { margin-left: 10px; text-align: right; }
.trip-row-total strong { display: block; font: 500 11px/1 var(--serif); }
.trip-row-total small { display: block; margin-top: 4px; color: var(--muted); font-size: 8px; }
.data-panel { padding: 18px; }
.data-copy { display: flex; align-items: flex-start; }
.data-mark { display: grid; width: 34px; height: 34px; flex: 0 0 auto; margin-right: 10px; place-items: center; border-radius: 10px; background: #E8EEE5; color: #53705F; font: 600 10px/1 var(--serif); }
.data-copy strong { font-size: 11px; font-weight: 600; }
.data-copy p { margin: 4px 0 0; color: var(--muted); font-size: 9px; line-height: 1.65; }
.data-actions { display: flex; margin-top: 15px; padding-top: 14px; border-top: 1px solid #EFEBE2; gap: 9px; }
.data-actions button { flex: 1; }
.danger-button { min-height: 41px; border: 1px solid #E2C8C0; border-radius: 11px; background: #FAF1ED; color: var(--danger); font-size: 10px; }
.danger-button:hover { background: #F5E5DF; }

.sheet, .picker-dialog, .confirm-dialog { width: min(560px, calc(100% - 28px)); max-height: min(900px, calc(100vh - 28px)); margin: auto; padding: 0; overflow-y: auto; border: 1px solid var(--line); border-radius: 22px; background: var(--card); color: var(--ink); box-shadow: 0 30px 90px rgba(22, 37, 30, .22); }
.sheet::backdrop, .picker-dialog::backdrop, .confirm-dialog::backdrop { background: rgba(25, 36, 30, .48); backdrop-filter: blur(3px); }
.sheet form { padding: 24px; }
.sheet-head { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 20px; }
.sheet-head h2 { margin: 6px 0 0; font: 700 25px/1.25 var(--serif); }
.icon-button { display: grid; width: 33px; height: 33px; place-items: center; border-radius: 50%; background: #F0EEE7; color: #78837A; font-size: 20px; }
.amount-field { display: block; padding: 17px 18px 14px; border-radius: 16px; background: var(--green); color: #fff; }
.amount-field > span { color: rgba(255,255,255,.69); font-size: 10px; }
.amount-field div { display: flex; align-items: center; margin-top: 8px; }
.amount-field b { margin-right: 7px; color: #E3C890; font: 500 22px/1 var(--serif); }
.amount-field input { width: 100%; min-width: 0; border: 0; outline: 0; background: transparent; color: #fff; font: 500 40px/1.2 var(--serif); font-variant-numeric: tabular-nums; }
.amount-field input::placeholder { color: rgba(255,255,255,.3); }
.amount-field small { color: rgba(255,255,255,.35); font-size: 8px; letter-spacing: 1.5px; }
.form-error { min-height: 0; margin: 6px 0 0; color: var(--danger); font-size: 10px; }
.form-error:empty { display: none; }
.form-section { min-width: 0; margin: 17px 0 0; padding: 0; border: 0; }
.form-section legend { display: flex; width: 100%; margin-bottom: 9px; align-items: center; justify-content: space-between; color: var(--ink-soft); font-size: 10px; font-weight: 600; }
.text-action { margin-left: auto; padding: 4px 0; background: transparent; color: var(--green); font-size: 9px; }
.category-picker { display: grid; grid-template-columns: repeat(3, 1fr); gap: 7px; }
.category-choice { display: flex; min-height: 67px; padding: 8px; align-items: center; border: 1px solid var(--line); border-radius: 11px; background: #F8F6F0; gap: 8px; }
.category-choice.is-selected { border-color: #587C6B; background: #EFF3EB; }
.category-choice span { display: grid; width: 30px; height: 30px; flex: 0 0 auto; place-items: center; border-radius: 9px; font: 600 9px/1 var(--serif); }
.category-choice strong { font-size: 9px; font-weight: 550; }
.field-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.field { display: flex; margin-top: 15px; flex-direction: column; color: var(--ink-soft); font-size: 10px; font-weight: 600; }
.field em { margin-left: 4px; color: var(--muted); font-style: normal; font-weight: 400; }
.field input { height: 42px; margin-top: 8px; padding: 0 12px; border: 1px solid var(--line); border-radius: 10px; outline: 0; background: #F8F6F0; color: var(--ink); font-size: 11px; font-weight: 400; }
.field input:focus, .member-add input:focus { border-color: #779687; box-shadow: 0 0 0 2px rgba(83,124,105,.09); }
.field small { margin-top: 5px; color: var(--muted); font-size: 8px; font-weight: 400; line-height: 1.6; }
.people-picker { display: flex; flex-wrap: wrap; gap: 7px; }
.person-choice { display: flex; min-width: 94px; height: 38px; padding: 0 10px; align-items: center; border: 1px solid var(--line); border-radius: 10px; background: #F8F6F0; font-size: 9px; }
.person-choice.is-selected { border-color: #587C6B; background: #EFF3EB; }
.person-choice .avatar { width: 24px; height: 24px; margin-right: 7px; border: 0; font-size: 8px; }
.check-box { width: 15px; height: 15px; margin-left: auto; border: 1px solid #CCD3CB; border-radius: 5px; }
.person-choice.is-selected .check-box { border-color: var(--green); background: var(--green); box-shadow: inset 0 0 0 3px #EFF3EB; }
.split-preview { display: flex; margin-top: 18px; padding: 13px 15px; align-items: center; justify-content: space-between; border-radius: 12px; background: #F1EEE5; }
.split-preview strong { font-size: 10px; font-weight: 550; }
.split-preview span { display: block; margin-top: 3px; color: var(--muted); font-size: 8px; }
.split-preview b { color: #8A6C3D; font: 600 14px/1 var(--serif); }
.sheet-actions { display: flex; margin-top: 23px; gap: 9px; }
.sheet-actions .secondary-action { width: 100px; flex: 0 0 auto; }
.sheet-actions .primary-action { flex: 1; }
.full-button { width: 100%; margin-top: 12px; }

.picker-dialog { width: min(430px, calc(100% - 28px)); padding: 23px; }
.picker-list { display: flex; flex-direction: column; gap: 7px; }
.picker-item { display: flex; width: 100%; padding: 12px 13px; align-items: center; border: 1px solid var(--line); border-radius: 12px; background: #F8F6F0; text-align: left; }
.picker-item.is-current { border-color: #719080; background: #EFF3EB; }
.picker-item div { flex: 1; }
.picker-item strong { display: block; font-size: 11px; }
.picker-item small { display: block; margin-top: 4px; color: var(--muted); font-size: 8px; }
.picker-item > b { color: var(--green); font: 500 11px/1 var(--serif); }
.confirm-dialog { width: min(400px, calc(100% - 28px)); padding: 25px; text-align: center; }
.confirm-mark { display: grid; width: 41px; height: 41px; margin: 0 auto 13px; place-items: center; border-radius: 50%; background: #F5E8E2; color: var(--danger); font: 600 18px/1 var(--serif); }
.confirm-dialog h2 { margin: 0; font: 600 20px/1.3 var(--serif); }
.confirm-dialog p { margin: 9px 0 22px; color: var(--muted); font-size: 10px; line-height: 1.7; }
.confirm-actions { display: flex; gap: 9px; }
.confirm-actions button { flex: 1; }
.danger-fill { min-height: 41px; border-radius: 11px; background: var(--danger); color: #fff; font-size: 11px; }
.toast { position: fixed; z-index: 100; right: 22px; bottom: 22px; padding: 11px 16px; border-radius: 11px; background: #203B32; color: #fff; font-size: 11px; box-shadow: 0 12px 32px rgba(20,35,28,.22); opacity: 0; transform: translateY(12px); pointer-events: none; transition: opacity .2s, transform .2s; }
.toast.is-visible { opacity: 1; transform: none; }

@media (max-width: 980px) {
    .side-rail { width: 200px; padding-right: 20px; padding-left: 20px; }
    .app-main { width: calc(100% - 200px); margin-left: 200px; padding: 36px 28px 50px; }
    .content-grid { grid-template-columns: 1fr; gap: 0; }
    .right-column { display: grid; grid-template-columns: 1fr 1fr; column-gap: 16px; }
    .right-column .section-heading, .right-column .note-panel { grid-column: 1 / -1; }
    .right-column .members-panel { grid-column: 1 / -1; }
}

@media (max-width: 720px) {
    body { padding-bottom: calc(76px + env(safe-area-inset-bottom)); background: var(--paper); }
    .side-rail { display: none; }
    .app-main { width: 100%; margin: 0; padding: 0 18px 28px; }
    .mobile-topbar { position: sticky; z-index: 15; top: 0; display: flex; height: calc(62px + env(safe-area-inset-top)); padding: env(safe-area-inset-top) 0 0; align-items: center; justify-content: space-between; background: rgba(245,242,234,.94); backdrop-filter: blur(14px); }
    .mobile-brand { gap: 9px; }
    .mobile-brand .brand-mark { width: 35px; height: 35px; border-radius: 12px 12px 12px 4px; font-size: 15px; }
    .mobile-brand strong { font: 600 17px/1 var(--serif); letter-spacing: 1px; }
    .mobile-add { height: 34px; padding: 0 13px; border-radius: 10px; background: var(--green); color: #fff; font-size: 10px; }
    .page-head { margin: 18px 0 20px; align-items: flex-start; }
    .page-head h1 { font-size: 29px; }
    .page-head p { font-size: 10px; }
    .page-head .header-add, .desktop-add, .eyebrow { display: none; }
    .trip-switch { padding: 13px 0; }
    .trip-switch-date > span { display: none; }
    .trip-switch-date b { margin-top: 0; }
    .hero-card { margin-top: 16px; padding: 23px 21px 20px; border-radius: 19px; }
    .hero-amount strong { font-size: 44px; }
    .hero-amount { margin: 15px 0 21px; }
    .orbit-a { top: -145px; right: -100px; }
    .metric-strip { padding: 15px 10px; }
    .metric-strip strong { font-size: 16px; }
    .content-grid { display: block; }
    .section-heading { margin-top: 25px; }
    .section-heading h2 { font-size: 16px; }
    .right-column { display: block; }
    .note-panel { display: none; }
    .category-panel { padding: 2px 14px; }
    .category-item { padding: 12px 0; }
    .category-badge { width: 35px; height: 35px; }
    .recent-list, .record-panel { padding: 0 14px; }
    .expense-row, .record-row { padding: 13px 0; }
    .expense-right strong { font-size: 11px; }
    .members-panel { padding: 14px; }
    .mobile-nav { position: fixed; z-index: 30; right: 0; bottom: 0; left: 0; display: grid; height: calc(66px + env(safe-area-inset-bottom)); padding: 5px 12px env(safe-area-inset-bottom); grid-template-columns: repeat(5, 1fr); border-top: 1px solid #E5E0D5; background: rgba(252,251,247,.97); backdrop-filter: blur(16px); }
    .mobile-nav button { display: flex; align-items: center; flex-direction: column; justify-content: center; background: transparent; color: #979C93; font-size: 8px; gap: 3px; }
    .mobile-nav button span { display: grid; width: 24px; height: 24px; place-items: center; border-radius: 8px; font: 600 9px/1 var(--serif); }
    .mobile-nav button.is-active { color: var(--green); }
    .mobile-nav button.is-active span { background: var(--green-soft); }
    .mobile-nav .nav-add span { width: 41px; height: 41px; margin-top: -22px; border: 4px solid var(--paper); border-radius: 50%; background: var(--green); color: #fff; font: 300 23px/1 var(--sans); box-shadow: 0 7px 18px rgba(30,75,61,.2); }
    .compact-head { margin-top: 13px; }
    .search-field { height: 43px; }
    .filter-row { margin-top: 13px; }
    .filter-chip { margin-right: 21px; padding-top: 10px; padding-bottom: 10px; font-size: 10px; }
    .record-summary { margin-top: 16px; }
    .date-group { margin-top: 18px; }
    .current-trip-banner { padding: 22px 20px; }
    .current-trip-banner h2 { font-size: 24px; }
    .current-edit { top: 19px; right: 19px; }
    .current-meta { gap: 36px; }
    .members-settings, .settlement-panel, .trip-list { padding-right: 14px; padding-left: 14px; }
    .sheet, .picker-dialog, .confirm-dialog { width: calc(100% - 16px); max-height: calc(100vh - 16px); margin: auto auto 8px; border-radius: 22px 22px 16px 16px; }
    .sheet form { padding: 20px 18px calc(20px + env(safe-area-inset-bottom)); }
    .sheet-head { margin-bottom: 16px; }
    .sheet-head h2 { font-size: 23px; }
    .category-picker { gap: 6px; }
    .category-choice { min-height: 62px; padding: 7px; flex-direction: column; justify-content: center; gap: 5px; }
    .category-choice strong { font-size: 8px; }
    .field-grid { grid-template-columns: 1fr; gap: 0; }
    .people-picker { gap: 6px; }
    .person-choice { min-width: 88px; flex: 1; }
    .toast { right: 14px; bottom: calc(82px + env(safe-area-inset-bottom)); left: 14px; text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; transition-duration: .01ms !important; }
}