:root {
  --bg: #0f172a;
  --bg-2: #111c34;
  --panel: #16223f;
  --panel-2: #1c2b4d;
  --border: #27365c;
  --text: #e6ecf7;
  --muted: #93a2c4;
  --accent: #4f8cff;
  --accent-2: #38bdf8;
  --green: #34d399;
  --amber: #fbbf24;
  --red: #f87171;
  --soporte: #38bdf8;
  --nuevo: #a78bfa;
  --radius: 14px;
  --shadow: 0 6px 24px rgba(0, 0, 0, 0.28);
  --chart-grid: rgba(39, 54, 92, 0.5);
  --topbar-bg: rgba(13, 21, 41, 0.85);
  font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

/* ---------- Tema claro ---------- */
body.light {
  --bg: #f1f5fb;
  --bg-2: #ffffff;
  --panel: #ffffff;
  --panel-2: #eef2fa;
  --border: #d4ddec;
  --text: #16223f;
  --muted: #5b6b8c;
  --accent: #2563eb;
  --accent-2: #0ea5e9;
  --green: #059669;
  --soporte: #0284c7;
  --nuevo: #7c3aed;
  --shadow: 0 6px 20px rgba(30, 50, 90, 0.12);
  --chart-grid: rgba(120, 140, 175, 0.25);
  --topbar-bg: rgba(255, 255, 255, 0.88);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: linear-gradient(180deg, var(--bg), var(--bg-2));
  color: var(--text);
  min-height: 100vh;
}

.hidden { display: none !important; }
.muted { color: var(--muted); font-weight: 400; font-size: 0.82rem; }

/* ---------- Topbar ---------- */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  background: var(--topbar-bg);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(6px);
}
.brand h1 { margin: 0; font-size: 1.25rem; letter-spacing: 0.2px; }
.brand .subtitle { color: var(--muted); font-size: 0.82rem; }
.topbar-actions { display: flex; align-items: center; gap: 14px; }
.file-info { color: var(--muted); font-size: 0.8rem; max-width: 320px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.btn {
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--text);
  padding: 9px 16px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 0.85rem;
  transition: 0.15s;
}
.btn:hover { border-color: var(--accent); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 600; }
.btn-primary:hover { background: #3b78ec; }
.btn-ghost { background: transparent; }

/* ---------- Dropzone ---------- */
.dropzone {
  margin: 60px auto;
  max-width: 720px;
  padding: 0 24px;
}
.dropzone-inner {
  border: 2px dashed var(--border);
  border-radius: 18px;
  padding: 60px 24px;
  text-align: center;
  background: var(--panel);
  transition: 0.15s;
}
.dropzone.dragover .dropzone-inner { border-color: var(--accent); background: var(--panel-2); }
.dz-icon {
  display: inline-block; font-weight: 800; letter-spacing: 2px;
  background: var(--accent); color: #fff; padding: 12px 16px; border-radius: 12px; margin-bottom: 18px;
}
.dz-title { font-size: 1.05rem; margin: 8px 0; }
.dz-hint { color: var(--muted); font-size: 0.85rem; }
code { background: var(--panel-2); padding: 1px 6px; border-radius: 6px; }

/* ---------- Login ---------- */
.login {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(180deg, var(--bg), var(--bg-2));
  z-index: 50;
  padding: 24px;
}
.login-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px 28px;
  width: 100%;
  max-width: 360px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.login-card h2 { margin: 0; font-size: 1.2rem; }
.login-card input {
  background: var(--bg-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 11px 12px;
  font-size: 0.95rem;
}
.login-card input:focus { outline: none; border-color: var(--accent); }
.login-card .btn { margin-top: 4px; }
.login-error { color: var(--red); font-size: 0.83rem; min-height: 1em; }

/* ---------- Dashboard ---------- */
.dashboard { padding: 22px clamp(16px, 3vw, 36px) 40px; max-width: 1500px; margin: 0 auto; }

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  margin-bottom: 16px;
}
.filter { display: flex; flex-direction: column; gap: 5px; min-width: 150px; }
.filter label { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.6px; color: var(--muted); }
.filter select {
  background: var(--bg-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 8px;
  font-size: 0.85rem;
}
.filter select[multiple] { min-height: 70px; }
.filter-actions { justify-content: flex-end; }

.tabs { display: flex; gap: 8px; margin-bottom: 16px; }
.tab {
  background: transparent; border: 1px solid var(--border); color: var(--muted);
  padding: 8px 18px; border-radius: 10px; cursor: pointer; font-size: 0.88rem;
}
.tab.active { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 600; }

/* ---------- Cards ---------- */
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
}
.card-title { margin: 0 0 12px; font-size: 1rem; font-weight: 600; }
.card-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; gap: 12px; flex-wrap: wrap; }
.card-head .card-title { margin: 0; }

/* Top grid: total + chart */
.grid-top {
  display: grid;
  grid-template-columns: minmax(240px, 1fr) 2.4fr;
  gap: 16px;
  margin-bottom: 16px;
}
.card-total { display: flex; flex-direction: column; }
.kpi-money { font-size: 2rem; font-weight: 800; color: var(--green); line-height: 1.1; }
.kpi-hours { font-size: 1.1rem; color: var(--accent-2); margin-top: 4px; }
.kpi-sub { margin-top: auto; padding-top: 16px; display: flex; gap: 18px; }
.kpi-sub > div { display: flex; flex-direction: column; }
.kpi-sub .lbl { font-size: 0.7rem; text-transform: uppercase; color: var(--muted); }
.kpi-sub span:last-child { font-size: 1rem; font-weight: 600; }

.chart-wrap { position: relative; height: 240px; }
.chart-wrap-lg { height: 300px; }

.metric-toggle, .infra-totals { display: flex; gap: 6px; align-items: center; }
.mt {
  background: var(--bg-2); border: 1px solid var(--border); color: var(--muted);
  padding: 5px 12px; border-radius: 8px; cursor: pointer; font-size: 0.78rem;
}
.mt.active { background: var(--accent); border-color: var(--accent); color: #fff; }
.infra-totals { font-size: 0.82rem; color: var(--muted); gap: 16px; }
.infra-totals b { color: var(--text); }

/* Client cards */
.grid-clients { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 16px; margin-bottom: 16px; }
.client-card .cc-head { display: flex; align-items: baseline; justify-content: space-between; }
.client-card .cc-name { font-size: 1.05rem; font-weight: 700; }
.client-card .cc-pct { font-size: 1.05rem; font-weight: 700; color: var(--accent-2); }
.client-card .cc-total { font-size: 1.5rem; font-weight: 800; color: var(--green); margin: 6px 0 4px; }
.client-card .cc-hours { font-size: 0.85rem; color: var(--muted); margin-bottom: 14px; }
.cc-split { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 10px; }
.cc-cell { background: var(--bg-2); border: 1px solid var(--border); border-radius: 10px; padding: 10px 12px; }
.cc-cell .t { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.5px; color: var(--muted); }
.cc-cell .t.sop { color: var(--soporte); }
.cc-cell .t.nvo { color: var(--nuevo); }
.cc-cell .pct { font-size: 1.25rem; font-weight: 700; }
.cc-cell .val { font-size: 0.85rem; color: var(--muted); }
.cc-bar { height: 6px; border-radius: 4px; background: var(--border); margin-top: 8px; overflow: hidden; }
.cc-bar > span { display: block; height: 100%; }
.cc-bar.sop > span { background: var(--soporte); }
.cc-bar.nvo > span { background: var(--nuevo); }

.card-infra { margin-bottom: 8px; }

/* Detail lists */
.grid-lists { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.list { display: flex; flex-direction: column; gap: 8px; max-height: 360px; overflow-y: auto; }
.list-item { display: flex; align-items: center; justify-content: space-between; gap: 10px; background: var(--bg-2); border: 1px solid var(--border); border-radius: 10px; padding: 9px 12px; }
.list-item .li-name { font-size: 0.85rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.list-item .li-sub { font-size: 0.72rem; color: var(--muted); }
.list-item .li-val { text-align: right; font-weight: 600; font-size: 0.85rem; white-space: nowrap; }
.list-item .li-val small { display: block; color: var(--muted); font-weight: 400; }

/* Table */
.table-wrap { overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; font-size: 0.84rem; }
.data-table th, .data-table td { padding: 9px 12px; text-align: left; border-bottom: 1px solid var(--border); }
.data-table th { color: var(--muted); font-weight: 600; cursor: pointer; user-select: none; white-space: nowrap; position: sticky; top: 0; background: var(--panel); }
.data-table th.num, .data-table td.num { text-align: right; }
.data-table tbody tr:hover { background: var(--panel-2); }
.tag { font-size: 0.7rem; padding: 2px 8px; border-radius: 20px; white-space: nowrap; }
.tag.sop { background: rgba(56, 189, 248, 0.16); color: var(--soporte); }
.tag.nvo { background: rgba(167, 139, 250, 0.16); color: var(--nuevo); }
.tag.int { background: rgba(148, 163, 196, 0.16); color: var(--muted); }
.bar-cell { display: flex; align-items: center; gap: 8px; justify-content: flex-end; }
.bar-mini { width: 60px; height: 6px; border-radius: 4px; background: var(--border); overflow: hidden; }
.bar-mini > span { display: block; height: 100%; background: var(--green); }
.bar-mini > span.over { background: var(--red); }

.footer { text-align: center; color: var(--muted); font-size: 0.78rem; padding: 18px; }

@media (max-width: 860px) {
  .grid-top { grid-template-columns: 1fr; }
  .grid-lists { grid-template-columns: 1fr; }
}