:root {
  --bg: #f6f7f9; --panel: #ffffff; --panel-2: #f1f3f6; --border: #e1e5eb; --text: #1b2330; --muted: #677285;
  --accent: #1f5fd1; --accent-weak: #e6eefc; --pos: #18794e; --pos-weak: #e3f4ea; --neg: #c0392b; --neg-weak: #fbe9e7;
  --warn: #a15c00; --warn-weak: #fdf1dc; --sidebar: #141b26; --sidebar-text: #c7cfdb; --sidebar-active: #253247;
  --shadow: 0 1px 2px rgba(16,24,40,.06), 0 1px 3px rgba(16,24,40,.08); --radius: 8px;
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) {
  --bg: #0f141b; --panel: #161d27; --panel-2: #1c2531; --border: #2a3545; --text: #e3e8ef; --muted: #8d99ab;
  --accent: #6aa0ff; --accent-weak: #1b2a44; --pos: #4cc38a; --pos-weak: #15302a; --neg: #ff7b6b; --neg-weak: #3a1d1b;
  --warn: #f0b04a; --warn-weak: #3a2c14; --sidebar: #0b1016; --sidebar-active: #1c2a3d; --shadow: none;
} }
:root[data-theme="dark"] {
  --bg: #0f141b; --panel: #161d27; --panel-2: #1c2531; --border: #2a3545; --text: #e3e8ef; --muted: #8d99ab;
  --accent: #6aa0ff; --accent-weak: #1b2a44; --pos: #4cc38a; --pos-weak: #15302a; --neg: #ff7b6b; --neg-weak: #3a1d1b;
  --warn: #f0b04a; --warn-weak: #3a2c14; --sidebar: #0b1016; --sidebar-active: #1c2a3d; --shadow: none;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body { background: var(--bg); color: var(--text); font: 14px/1.45 var(--font); }
.hidden { display: none !important; }
a { color: var(--accent); text-decoration: none; }
h1 { font-size: 20px; margin: 0; font-weight: 650; letter-spacing: -.01em; }
h2 { font-size: 15px; margin: 0 0 10px; font-weight: 600; }
.muted { color: var(--muted); } .small { font-size: 12px; }
.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.pos { color: var(--pos); } .neg { color: var(--neg); }

/* Layout */
.app { display: grid; grid-template-columns: 228px 1fr; min-height: 100vh; }
.sidebar { background: var(--sidebar); color: var(--sidebar-text); padding: 18px 10px; position: sticky; top: 0; height: 100vh; overflow-y: auto; }
.brand { font-weight: 700; font-size: 17px; color: #fff; padding: 2px 10px 16px; }
.brand span, .brand-lg span { color: #6aa0ff; font-weight: 500; }
.sidebar nav a { display: block; padding: 7px 10px; border-radius: 6px; color: var(--sidebar-text); margin: 1px 0; }
.sidebar nav a:hover { background: rgba(255,255,255,.05); color: #fff; }
.sidebar nav a.active { background: var(--sidebar-active); color: #fff; }
.nav-sec { font-size: 11px; text-transform: uppercase; letter-spacing: .06em; color: #6e7b8f; padding: 14px 10px 4px; }
.main { min-width: 0; display: flex; flex-direction: column; }
.topbar { display: flex; align-items: center; gap: 10px; padding: 10px 22px; background: var(--panel); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 5; }
.spacer { flex: 1; }
.user { font-weight: 500; }
#menu-btn { display: none; }
.view { padding: 22px; max-width: 1500px; width: 100%; }
.page-head { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; flex-wrap: wrap; }
.page-head .spacer { flex: 1; }

/* Controls */
.btn { font: inherit; border: 1px solid var(--border); background: var(--panel); color: var(--text); padding: 6px 12px; border-radius: 6px; cursor: pointer; white-space: nowrap; }
.btn:hover { background: var(--panel-2); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { filter: brightness(1.07); }
.btn.danger { color: var(--neg); border-color: var(--neg); background: transparent; }
.btn.ghost { border-color: transparent; background: transparent; }
.btn.sm { padding: 3px 8px; font-size: 12px; }
.btn.icon { padding: 4px 8px; font-size: 16px; }
.btn:disabled { opacity: .5; cursor: default; }
input, select, textarea { font: inherit; color: var(--text); background: var(--panel); border: 1px solid var(--border); border-radius: 6px; padding: 6px 8px; width: 100%; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent-weak); border-color: var(--accent); }
input[type=checkbox] { width: auto; }
input.num { text-align: right; }
label { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--muted); }
label.check { flex-direction: row; align-items: center; gap: 6px; color: var(--text); font-size: 13px; }
.seg { display: inline-flex; border: 1px solid var(--border); border-radius: 7px; overflow: hidden; }
.seg button { font: inherit; border: 0; background: var(--panel); color: var(--muted); padding: 5px 12px; cursor: pointer; border-right: 1px solid var(--border); }
.seg button:last-child { border-right: 0; }
.seg button.on { background: var(--accent-weak); color: var(--accent); font-weight: 600; }
.filters { display: flex; gap: 8px; flex-wrap: wrap; align-items: end; margin-bottom: 12px; }
.filters > * { width: auto; }
.filters input[type=search] { min-width: 220px; }

/* Cards & KPIs */
.card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 16px; margin-bottom: 16px; }
.card.flush { padding: 0; overflow: hidden; }
.card-head { display: flex; align-items: center; gap: 10px; padding: 12px 16px; border-bottom: 1px solid var(--border); }
.card-head h2 { margin: 0; }
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 12px; margin-bottom: 16px; }
.kpi { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 12px 14px; box-shadow: var(--shadow); }
.kpi .lbl { font-size: 12px; color: var(--muted); }
.kpi .val { font-size: 21px; font-weight: 650; font-variant-numeric: tabular-nums; margin-top: 2px; letter-spacing: -.01em; }
.kpi .sub { font-size: 12px; color: var(--muted); margin-top: 2px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* Tables */
.tbl-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; }
th, td { padding: 7px 10px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: middle; }
th { font-size: 11.5px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); font-weight: 600; background: var(--panel-2); position: sticky; top: 0; z-index: 1; }
tbody tr:hover { background: var(--panel-2); }
tr.clickable { cursor: pointer; }
tfoot td { font-weight: 650; background: var(--panel-2); }
td.wrap { white-space: normal; max-width: 320px; }
.cf th, .cf td { padding: 6px 8px; font-size: 13px; }
.cf td.lbl { white-space: nowrap; font-weight: 500; position: sticky; left: 0; background: var(--panel); z-index: 1; }
.cf tr.sep td { background: var(--panel-2); font-size: 11.5px; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); font-weight: 600; }
.cf tr.total td { font-weight: 650; border-top: 1.5px solid var(--text); }
.cf td.cell { cursor: pointer; }
.cf td.cell:hover { background: var(--accent-weak); }
.cf td.zero { color: var(--muted); opacity: .5; }
.cf .col-venc { background: var(--neg-weak); }
.badge { display: inline-block; font-size: 11.5px; padding: 1px 7px; border-radius: 10px; font-weight: 600; white-space: nowrap; background: var(--panel-2); color: var(--muted); }
.badge.pendiente { background: var(--warn-weak); color: var(--warn); }
.badge.parcial { background: var(--accent-weak); color: var(--accent); }
.badge.saldada, .badge.debitado, .badge.activa { background: var(--pos-weak); color: var(--pos); }
.badge.vencida, .badge.atrasado, .badge.anulada, .badge.anulado { background: var(--neg-weak); color: var(--neg); }
.badge.est { background: var(--panel-2); color: var(--muted); border: 1px dashed var(--border); }
.bar { height: 6px; background: var(--panel-2); border-radius: 3px; overflow: hidden; min-width: 60px; }
.bar > i { display: block; height: 100%; background: var(--accent); }
.bar > i.over { background: var(--neg); }

/* Tabs */
.tabs { display: flex; gap: 2px; border-bottom: 1px solid var(--border); margin-bottom: 14px; flex-wrap: wrap; }
.tabs button { font: inherit; background: none; border: 0; border-bottom: 2px solid transparent; padding: 8px 14px; color: var(--muted); cursor: pointer; }
.tabs button.on { color: var(--text); border-bottom-color: var(--accent); font-weight: 600; }
.tabs .cnt { font-size: 11px; background: var(--panel-2); border-radius: 8px; padding: 0 6px; margin-left: 4px; }

/* Plan grid */
.plan td input { width: 110px; padding: 3px 6px; text-align: right; font-variant-numeric: tabular-nums; }
.plan td.real { color: var(--muted); font-size: 12px; }
.plan tr.item-head td { border-bottom: 0; }

/* Modal */
.modal-back { position: fixed; inset: 0; background: rgba(10,15,25,.45); display: flex; align-items: flex-start; justify-content: center; padding: 40px 16px; z-index: 50; overflow-y: auto; }
.modal { background: var(--panel); border-radius: 10px; width: 100%; max-width: 760px; box-shadow: 0 20px 50px rgba(0,0,0,.3); }
.modal.wide { max-width: 1000px; }
.modal-head { display: flex; align-items: center; padding: 14px 18px; border-bottom: 1px solid var(--border); }
.modal-head h2 { margin: 0; flex: 1; }
.modal-body { padding: 16px 18px; }
.modal-foot { display: flex; gap: 8px; padding: 12px 18px; border-top: 1px solid var(--border); align-items: center; }
.form-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px 12px; }
.form-grid .s2 { grid-column: span 2; } .form-grid .s3 { grid-column: span 3; } .form-grid .s4 { grid-column: span 4; }
.subhead { font-size: 12px; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); font-weight: 600; margin: 16px 0 6px; display: flex; align-items: center; gap: 8px; }
.inline-tbl td { padding: 4px 6px; border: 0; }
.inline-tbl th { background: transparent; padding: 4px 6px; }
.sumline { display: flex; justify-content: flex-end; gap: 24px; padding: 8px 6px; font-variant-numeric: tabular-nums; }
.sumline b { font-size: 16px; }
.error { color: var(--neg); font-size: 13px; min-height: 18px; }
.note { background: var(--warn-weak); color: var(--warn); padding: 8px 12px; border-radius: 6px; font-size: 13px; margin-bottom: 12px; }
.empty { padding: 30px; text-align: center; color: var(--muted); }

/* Login */
.login { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: var(--sidebar); }
.login-card { background: var(--panel); padding: 28px; border-radius: 12px; width: 340px; display: flex; flex-direction: column; gap: 14px; }
.brand-lg { font-size: 22px; font-weight: 700; margin-bottom: 6px; }

.toast { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%) translateY(20px); background: var(--text); color: var(--panel); padding: 9px 16px; border-radius: 8px; opacity: 0; transition: .2s; pointer-events: none; z-index: 60; }
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.err { background: var(--neg); color: #fff; }

.chart { width: 100%; height: 150px; display: block; }
.chart .z { stroke: var(--border); }
.chart .lbl { fill: var(--muted); font-size: 10px; }

@media (max-width: 900px) {
  .app { grid-template-columns: 1fr; }
  .sidebar { position: fixed; left: 0; top: 0; width: 240px; z-index: 40; transform: translateX(-100%); transition: .2s; }
  .sidebar.open { transform: none; }
  #menu-btn { display: inline-block; }
  .view { padding: 14px 16px; }
  .topbar { padding: 8px 12px; flex-wrap: wrap; }
  .grid2 { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr 1fr; }
  .form-grid .s3, .form-grid .s4 { grid-column: span 2; }
  #tc-label, .user { display: none; }
}
@media print { .sidebar, .topbar, .btn, .filters { display: none !important; } .app { display: block; } }

.nw { white-space: nowrap; }
.clamp { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; max-width: 280px; }
td.wrap { min-width: 140px; }