:root {
    --nav: #143554;
    --nav-soft: #1f4669;
    --line: #dfe6ef;
    --muted: #657385;
    --bg: #f3f6fa;
    --panel: #fff;
    --panel-soft: #f8fafc;
    --text: #162033;
    --blue: #1c4f80;
    --green: #15815f;
    --red: #c2414a;
    --orange: #b7791f;
    --purple: #5d4bc4;
    --button-text: #fff;
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
body[data-theme="dark"] {
    --nav: #0e2236;
    --nav-soft: #1b3650;
    --line: #34495e;
    --muted: #a6b4c4;
    --bg: #0f1720;
    --panel: #182331;
    --panel-soft: #202e3d;
    --text: #eef4fb;
    --blue: #4a90d9;
    --green: #30b98e;
    --red: #ee6972;
    --orange: #e5a33a;
    --purple: #8c7cf0;
}
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

.login-page { min-height: 100vh; display: grid; place-items: center; padding: 24px; background: #eef3f8; }
.login-panel { width: 100%; max-width: 390px; background: var(--panel); border: 1px solid var(--line); border-radius: 8px; box-shadow: 0 16px 44px rgba(20, 53, 84, .12); overflow: hidden; }
.login-head { background: var(--nav); color: #fff; padding: 24px; }
.login-head h1 { margin: 0; font-size: 1.35rem; letter-spacing: 0; }
.login-body { padding: 24px; display: grid; gap: 16px; }
.field { display: grid; gap: 7px; }
.label { color: #5b6877; font-size: .78rem; text-transform: uppercase; font-weight: 750; letter-spacing: .04em; }
.input, .select, .textarea { width: 100%; border: 1px solid var(--line); border-radius: 7px; background: var(--panel); padding: 10px 12px; color: var(--text); min-height: 40px; }
.select-compact { min-height: 34px; padding: 6px 28px 6px 10px; width: auto; }
.input:focus, .select:focus, .textarea:focus { outline: 2px solid rgba(28, 79, 128, .16); border-color: var(--blue); }
.input-sm { min-height: 34px; padding: 6px 8px; }
.num-input { max-width: 130px; text-align: right; }
.btn { border: 1px solid var(--blue); background: var(--blue); color: var(--button-text); border-radius: 7px; padding: 9px 13px; cursor: pointer; display: inline-flex; align-items: center; gap: 7px; white-space: nowrap; font-weight: 700; }
.btn:hover { filter: brightness(1.06); }
.btn-primary { background: var(--blue); border-color: var(--blue); color: #fff; }
.btn-secondary { background: var(--purple); border-color: var(--purple); color: #fff; }
.btn-success { background: var(--green); border-color: var(--green); color: #fff; }
.btn-warning { background: var(--orange); border-color: var(--orange); color: #fff; }
.btn-danger { background: var(--red); border-color: var(--red); color: #fff; }
.btn-muted { background: #64748b; border-color: #64748b; color: #fff; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }
.alert { border: 1px solid #f0b8be; background: #fff1f2; color: #9f2730; padding: 10px 12px; border-radius: 7px; }

.app { display: grid; grid-template-columns: 280px 1fr; min-height: 100vh; }
.sidebar { background: var(--nav); color: #dce8f4; padding: 22px 16px; position: sticky; top: 0; height: 100vh; overflow-y: auto; scrollbar-width: thin; }
.brand { display: grid; grid-template-columns: 44px 1fr; gap: 12px; align-items: center; margin-bottom: 28px; }
.brand-mark { width: 44px; height: 44px; border-radius: 8px; background: #f2ac20; color: #fff; display: grid; place-items: center; font-weight: 850; font-size: 1.2rem; }
.brand strong { color: #fff; display: block; }
.brand small, .center-list { color: #abc0d5; font-size: .82rem; }
.nav-menu { display: grid; gap: 6px; padding-bottom: 28px; }
.nav-section { border-top: 1px solid rgba(255,255,255,.08); padding-top: 6px; }
.nav-section:first-child { border-top: 0; }
.nav-group { margin: 4px 0 6px; color: #91abc4; font-size: .72rem; text-transform: uppercase; letter-spacing: .18em; font-weight: 800; cursor: pointer; list-style: none; display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.nav-group::-webkit-details-marker { display: none; }
.nav-group::after { content: "+"; letter-spacing: 0; font-size: .9rem; color: #dce8f4; }
.nav-section[open] > .nav-group::after { content: "-"; }
.nav-link { display: flex; align-items: center; gap: 10px; padding: 11px 10px; border-radius: 7px; color: #eef6ff; }
.nav-link:hover, .nav-link.active { background: var(--nav-soft); }

.main { min-width: 0; }
.topbar { min-height: 64px; background: var(--panel); border-bottom: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; padding: 10px 28px; position: sticky; top: 0; z-index: 10; gap: 18px; }
.user { display: flex; align-items: center; gap: 12px; }
.pref-form { margin: 0; }
.avatar { width: 38px; height: 38px; border-radius: 50%; background: var(--nav); color: #fff; display: grid; place-items: center; font-weight: 800; }
.content { padding: 28px; }
.page-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 22px; }
.page-title h1 { margin: 0; font-size: 1.45rem; letter-spacing: 0; }
.page-title p { margin: 6px 0 0; color: var(--muted); }

.kpi-grid { display: grid; grid-template-columns: repeat(4, minmax(180px, 1fr)); gap: 16px; margin-bottom: 24px; }
.kpi-grid-wide { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
.kpi { background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 18px; display: grid; gap: 8px; }
.kpi small { color: var(--muted); }
.kpi strong { font-size: 1.45rem; }
.tone-blue strong { color: var(--blue); } .tone-green strong { color: var(--green); } .tone-red strong { color: var(--red); } .tone-orange strong { color: var(--orange); } .tone-purple strong { color: var(--purple); }
.amount { font-variant-numeric: tabular-nums; }
.amount-positive { color: var(--green) !important; }
.amount-negative { color: var(--red) !important; }

.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 8px; overflow: hidden; margin-bottom: 20px; }
.panel-pad { padding: 18px; }
.filters { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 10px; align-items: end; }
.filters-actions { display: flex; gap: 10px; align-items: end; flex-wrap: wrap; }
.row-actions { display: flex; gap: 8px; align-items: center; }
.row-actions-stack { align-items: flex-start; flex-direction: column; }
.receive-form { display: flex; gap: 8px; align-items: center; margin: 0; }
.table-wrap { overflow: auto; }
table { width: 100%; border-collapse: collapse; min-width: 980px; }
th, td { border-bottom: 1px solid var(--line); padding: 11px 12px; text-align: left; vertical-align: top; font-size: .9rem; }
th { background: var(--panel-soft); color: var(--muted); font-size: .74rem; text-transform: uppercase; letter-spacing: .04em; white-space: nowrap; }
th a { color: var(--blue); font-weight: 850; }
.actions { width: 92px; white-space: nowrap; }
.num { text-align: right; font-variant-numeric: tabular-nums; }
.pill { display: inline-flex; align-items: center; min-height: 22px; padding: 2px 8px; border-radius: 6px; background: var(--panel-soft); color: var(--blue); font-weight: 700; font-size: .78rem; }
.tabs { display: flex; flex-wrap: wrap; gap: 8px; border-bottom: 1px solid var(--line); padding: 10px 18px 0; overflow-x: visible; background: var(--panel); position: sticky; top: 64px; z-index: 5; }
.tab { border: 1px solid var(--line); border-bottom: 0; background: var(--panel-soft); color: var(--muted); padding: 12px 14px; border-radius: 8px 8px 0 0; font-weight: 800; white-space: normal; cursor: pointer; }
.tab.active { color: #fff; background: var(--blue); border-color: var(--blue); }
.tab-panel[hidden] { display: none; }
.detail-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.detail-item { border-bottom: 1px solid var(--line); padding: 8px 0 12px; }
.detail-item small { color: var(--muted); display: block; margin-bottom: 4px; font-weight: 700; text-transform: uppercase; font-size: .72rem; }
.pagination { padding: 14px 18px; }
.pagination svg { width: 18px; height: 18px; max-width: 18px; max-height: 18px; }
.pagination .w-5, .pagination .h-5 { width: 18px !important; height: 18px !important; }
.pagination nav > div { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.pagination a, .pagination span { max-width: 100%; }
.contract-cards { display: grid; grid-template-columns: repeat(2, minmax(260px, 1fr)); gap: 18px; align-items: start; }
.data-card { border: 1px solid var(--line); border-radius: 8px; background: var(--panel); padding: 18px; display: grid; gap: 14px; box-shadow: 0 8px 22px rgba(20, 53, 84, .04); }
.form-card { padding: 0; overflow: visible; }
.form-card[open] { padding-bottom: 18px; }
.form-card-summary { cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 16px 18px; color: var(--muted); font-size: .82rem; text-transform: uppercase; letter-spacing: .08em; font-weight: 850; list-style: none; }
.form-card-summary::-webkit-details-marker { display: none; }
.form-card-summary::after { content: "+"; color: var(--blue); font-size: 1rem; letter-spacing: 0; }
.form-card[open] > .form-card-summary::after { content: "-"; }
.form-card-summary small { color: var(--muted); font-size: .72rem; letter-spacing: .04em; text-transform: none; margin-left: auto; }
.form-card > .field-grid { padding: 0 18px; }
.data-card-wide { grid-column: 1 / -1; }
.data-card h2 { margin: 0; padding-bottom: 12px; border-bottom: 1px solid var(--line); color: var(--muted); font-size: .82rem; text-transform: uppercase; letter-spacing: .08em; }
.field-grid { display: grid; grid-template-columns: repeat(3, minmax(160px, 1fr)); gap: 12px; }
.field-grid-two { grid-template-columns: repeat(2, minmax(160px, 1fr)); }
.field-box { min-width: 0; border: 1px solid var(--line); border-radius: 7px; background: var(--panel-soft); padding: 12px; display: grid; gap: 6px; }
.field-box-full { grid-column: 1 / -1; }
.field-box small { color: var(--muted); font-size: .72rem; font-weight: 800; text-transform: uppercase; letter-spacing: .04em; }
.field-box strong { color: var(--text); font-size: .96rem; font-weight: 650; line-height: 1.35; overflow-wrap: anywhere; white-space: pre-wrap; }
.section-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; margin-bottom: 16px; }
.section-head h2 { margin: 0; color: var(--text); font-size: 1.05rem; letter-spacing: 0; }
.section-head p { margin: 5px 0 0; color: var(--muted); }
.section-summary { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; margin-bottom: 16px; }
.summary-card { border: 1px solid var(--line); border-radius: 8px; background: var(--panel-soft); padding: 14px; display: grid; gap: 6px; }
.summary-card small { color: var(--muted); font-weight: 800; text-transform: uppercase; font-size: .72rem; letter-spacing: .04em; }
.summary-card strong { font-size: 1.05rem; }
.signature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; }
.signature-card { border: 1px solid var(--line); border-radius: 8px; background: var(--panel-soft); padding: 16px; display: grid; gap: 12px; }
.signature-card small { display: block; color: var(--muted); font-size: .72rem; font-weight: 800; text-transform: uppercase; letter-spacing: .04em; margin-bottom: 4px; }
.signature-card strong { color: var(--text); font-weight: 700; }
.empty-state { border: 1px dashed var(--line); border-radius: 8px; padding: 18px; color: var(--muted); background: var(--panel-soft); }
.contract-form { display: grid; gap: 18px; }
.checkbox-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(90px, 1fr)); gap: 8px; }
.checkbox-grid-scroll { max-height: 240px; overflow: auto; padding-right: 4px; }
.check-option { border: 1px solid var(--line); border-radius: 7px; background: var(--panel-soft); padding: 10px; display: flex; align-items: center; gap: 8px; font-weight: 700; }
.check-option input { width: 16px; height: 16px; }
.choice-search { margin-bottom: 10px; }
.select[multiple] { min-height: 148px; padding-right: 10px; }
.multi-select { position: relative; }
.multi-select-button { width: 100%; min-height: 40px; border: 1px solid var(--line); border-radius: 7px; background: var(--panel); color: var(--text); padding: 10px 38px 10px 12px; display: flex; align-items: center; justify-content: space-between; gap: 10px; cursor: pointer; text-align: left; }
.multi-select-button::after { content: "v"; color: var(--muted); font-weight: 900; }
.multi-select-summary { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.multi-select-panel { position: absolute; z-index: 30; top: calc(100% + 6px); left: 0; width: min(440px, 92vw); max-height: 340px; border: 1px solid var(--line); border-radius: 8px; background: var(--panel); box-shadow: 0 18px 44px rgba(20, 53, 84, .18); padding: 10px; display: none; }
.multi-select.open .multi-select-panel { display: grid; gap: 10px; }
.multi-select-options { max-height: 240px; overflow: auto; display: grid; gap: 6px; }
.multi-option { display: flex; align-items: center; gap: 9px; padding: 9px; border-radius: 7px; cursor: pointer; }
.multi-option:hover { background: var(--panel-soft); }
.multi-option input { width: 16px; height: 16px; }
.multi-option span { overflow-wrap: anywhere; }
.combo-select { position: relative; }
.combo-native-select { position: absolute !important; width: 1px !important; height: 1px !important; padding: 0 !important; margin: -1px !important; overflow: hidden !important; clip: rect(0,0,0,0) !important; white-space: nowrap !important; border: 0 !important; }
.combo-button { width: 100%; min-height: 40px; border: 1px solid var(--line); border-radius: 7px; background: var(--panel); color: var(--text); padding: 10px 38px 10px 12px; display: flex; align-items: center; justify-content: space-between; gap: 10px; cursor: pointer; text-align: left; }
.combo-button::after { content: "v"; color: var(--muted); font-weight: 900; }
.combo-button span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.combo-panel { position: absolute; z-index: 35; top: calc(100% + 6px); left: 0; width: min(560px, 92vw); max-height: 360px; border: 1px solid var(--line); border-radius: 8px; background: var(--panel); box-shadow: 0 18px 44px rgba(20, 53, 84, .18); padding: 10px; display: none; }
.combo-select.open .combo-panel { display: grid; gap: 10px; }
.combo-options { max-height: 260px; overflow: auto; display: grid; gap: 4px; }
.combo-option { border: 0; background: transparent; color: var(--text); text-align: left; border-radius: 7px; padding: 9px; cursor: pointer; overflow-wrap: anywhere; }
.combo-option:hover, .combo-option.selected { background: var(--panel-soft); color: var(--blue); font-weight: 800; }
.combo-option[hidden] { display: none; }
.form-footer { position: sticky; bottom: 0; z-index: 6; display: flex; gap: 10px; flex-wrap: wrap; justify-content: flex-end; padding: 14px 0 0; background: linear-gradient(180deg, rgba(0,0,0,0), var(--bg) 24%); }
.error-list { margin-bottom: 18px; }
.error-list ul { margin: 8px 0 0; padding-left: 18px; }
.inline-edit { margin: 0; display: inline-flex; justify-content: flex-end; }
.inline-add-form { margin-top: 18px; border: 1px solid var(--line); border-radius: 8px; background: var(--panel-soft); padding: 16px; display: grid; grid-template-columns: minmax(200px, 1.2fr) minmax(160px, .8fr) auto; gap: 12px; align-items: end; }
.inline-add-form-wide { grid-template-columns: minmax(260px, 1.4fr) minmax(220px, 1fr) minmax(140px, .6fr) auto; }
.inline-add-form h3 { grid-column: 1 / -1; margin: 0; color: var(--muted); font-size: .82rem; text-transform: uppercase; letter-spacing: .08em; }
.field-wide { grid-column: span 2; }
.signature-actions { display: flex; justify-content: flex-end; }
.row-detail-editor { border: 1px dashed var(--line); border-radius: 7px; background: var(--panel-soft); padding: 10px 12px; }
.row-detail-editor summary { cursor: pointer; color: var(--blue); font-weight: 800; }
.row-detail-editor .inline-add-form { margin-top: 10px; background: var(--panel); }

@media (max-width: 1000px) {
    .app { grid-template-columns: 1fr; }
    .sidebar { position: relative; height: auto; }
    .topbar { align-items: flex-start; flex-direction: column; }
    .user { flex-wrap: wrap; }
    .tabs { top: 0; }
    .filters, .kpi-grid, .detail-grid, .contract-cards, .field-grid, .field-grid-two, .section-summary, .signature-grid, .inline-add-form, .inline-add-form-wide { grid-template-columns: 1fr; }
    .data-card-wide, .field-box-full, .field-wide { grid-column: auto; }
}