/* =========================================================
   GESTION ACADEMIAS – THEME PREMIUM
   ========================================================= */

/* Google Fonts – Inter */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

/* ── Base tokens ─────────────────────────────────────────── */
:root {
  --bg: #eef2f7;
  --surface: rgba(255, 255, 255, .88);
  --surface-2: rgba(255, 255, 255, .94);
  --card: rgba(255, 255, 255, .95);
  --border: rgba(15, 23, 42, .09);

  --text: #0f172a;
  --muted: rgba(15, 23, 42, .55);

  --primary: #2563eb;
  --primary-2: #1d4ed8;
  --primary-glow: rgba(37, 99, 235, .18);

  --good: #16a34a;
  --warn: #f59e0b;
  --bad: #dc2626;

  /* accent palette for KPI cards */
  --accent-blue: #2563eb;
  --accent-green: #16a34a;
  --accent-amber: #d97706;
  --accent-violet: #7c3aed;
  --accent-rose: #e11d48;
  --accent-cyan: #0891b2;
  --accent-orange: #ea580c;
  --accent-teal: #0d9488;

  --shadow: 0 12px 32px rgba(2, 6, 23, .12);
  --shadow-soft: 0 4px 16px rgba(2, 6, 23, .07);
  --shadow-card: 0 2px 8px rgba(2, 6, 23, .06);

  --radius: 16px;
  --radius-sm: 12px;

  --sidebar-w: 264px;
  --topbar-h: 58px;

  --transition: 0.18s cubic-bezier(.4, 0, .2, 1);
}

/* ── Reset ───────────────────────────────────────────────── */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, sans-serif;
  color: var(--text);
  background:
    radial-gradient(1300px 900px at 5% -5%, rgba(37, 99, 235, .16), transparent 55%),
    radial-gradient(1000px 700px at 98% 5%, rgba(16, 185, 129, .13), transparent 55%),
    radial-gradient(800px 600px at 50% 98%, rgba(124, 58, 237, .09), transparent 55%),
    linear-gradient(180deg, var(--bg), #f3f6fb 70%);
  background-attachment: fixed;
}

a {
  color: var(--primary);
  text-decoration: none;
}

a:hover {
  color: var(--primary-2);
  text-decoration: underline;
}

/* ── App shell ───────────────────────────────────────────── */
.app-shell {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  min-height: 100vh;
}

/* ── Sidebar ─────────────────────────────────────────────── */
.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 14px 12px;
  border-right: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(255, 255, 255, .92), rgba(248, 250, 255, .84));
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  overflow-y: auto;
  overflow-x: hidden;
}

.main {
  min-height: 100vh;
  padding: 14px 18px 36px;
  overflow-x: hidden;
}

.container {
  max-width: 1240px;
  margin: 0 auto;
}

/* ── Topbar ──────────────────────────────────────────────── */
.topbar {
  height: var(--topbar-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-soft);
  margin: 0 auto 16px;
  max-width: 1240px;
}

.topbar .title {
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -0.025em;
  background: linear-gradient(135deg, var(--primary), var(--accent-violet));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.topbar-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}

/* ── Brand ───────────────────────────────────────────────── */
.brand {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 12px;
  background: linear-gradient(135deg, rgba(37, 99, 235, .07), rgba(124, 58, 237, .05));
  box-shadow: var(--shadow-card);
  margin-bottom: 14px;
}

.brand-title {
  font-weight: 900;
  font-size: 15px;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, var(--primary), var(--accent-violet));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.brand-sub {
  margin-top: 6px;
  font-size: 11px;
  color: var(--muted);
  line-height: 1.5;
}

.mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

/* ── Sidebar nav ─────────────────────────────────────────── */
.nav {
  margin-top: 6px;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.nav h6 {
  margin: 12px 8px 4px;
  font-size: 10px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 700;
}

.nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  color: var(--text);
  border: 1px solid transparent;
  font-size: 13.5px;
  font-weight: 500;
  transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.nav a:hover {
  background: rgba(37, 99, 235, .07);
  border-color: rgba(37, 99, 235, .14);
  text-decoration: none;
}

.nav a.active {
  background: rgba(37, 99, 235, .12);
  border-color: rgba(37, 99, 235, .22);
  font-weight: 700;
  color: var(--primary-2);
  box-shadow: 0 2px 8px rgba(37, 99, 235, .12);
}

.sep {
  height: 1px;
  background: var(--border);
  margin: 10px 6px;
}

.icon {
  width: 18px;
  height: 18px;
  opacity: .85;
  flex-shrink: 0;
}

/* ── Cards ───────────────────────────────────────────────── */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  transition: box-shadow var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-soft);
}

.pad {
  padding: 18px;
}

/* card head */
.card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 18px 12px;
  border-bottom: 1px solid var(--border);
}

.card-title {
  font-weight: 800;
  font-size: 14px;
  letter-spacing: -0.01em;
}

.card-sub {
  font-size: 12px;
  color: var(--muted);
  margin-top: 2px;
}

.card-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 9px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(2, 6, 23, .10);
  background: var(--primary);
  color: #fff;
  font-weight: 700;
  font-size: 13px;
  cursor: pointer;
  line-height: 1.1;
  transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
  white-space: nowrap;
}

.btn:hover {
  background: var(--primary-2);
  box-shadow: 0 4px 12px rgba(37, 99, 235, .30);
  text-decoration: none;
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

.btn.secondary {
  background: rgba(255, 255, 255, .88);
  color: var(--text);
  border-color: var(--border);
  box-shadow: var(--shadow-card);
}

.btn.secondary:hover {
  background: rgba(255, 255, 255, .98);
  box-shadow: var(--shadow-soft);
}

.btn.danger {
  background: rgba(220, 38, 38, .88);
  border-color: rgba(220, 38, 38, .22);
}

.btn.danger:hover {
  background: rgba(185, 28, 28, .95);
  box-shadow: 0 4px 12px rgba(220, 38, 38, .28);
}

/* ✅ Excel export button */
.btn.excel {
  background: #16a34a;
  border-color: rgba(22, 163, 74, .22);
}

.btn.excel:hover {
  background: #15803d;
  box-shadow: 0 4px 12px rgba(22, 163, 74, .32);
}

/* ── Form controls ───────────────────────────────────────── */
label {
  font-weight: 700;
  font-size: 12px;
}

input,
select,
textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, .92);
  color: var(--text);
  font-family: inherit;
  font-size: 13px;
  transition: border-color var(--transition), box-shadow var(--transition);
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: rgba(37, 99, 235, .4);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, .10);
}

.field {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

textarea {
  resize: vertical;
}

/* ── Tables ──────────────────────────────────────────────── */
table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

th,
td {
  padding: 11px 14px;
  border-bottom: 1px solid rgba(2, 6, 23, .055);
  text-align: left;
  vertical-align: middle;
  font-size: 13px;
}

th {
  background: rgba(15, 23, 42, .025);
  color: rgba(15, 23, 42, .70);
  font-weight: 800;
  font-size: 11px;
  letter-spacing: .06em;
  text-transform: uppercase;
}

tr:last-child td {
  border-bottom: none;
}

tr:hover td {
  background: rgba(37, 99, 235, .04);
}

.table-wrap {
  overflow: auto;
  border-radius: var(--radius);
}

/* ── Badges ──────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, .80);
  font-weight: 700;
  font-size: 11px;
  white-space: nowrap;
}

.badge.good {
  border-color: rgba(22, 163, 74, .25);
  background: rgba(22, 163, 74, .10);
  color: #166534;
}

.badge.warn {
  border-color: rgba(245, 158, 11, .30);
  background: rgba(245, 158, 11, .12);
  color: #92400e;
}

.badge.bad {
  border-color: rgba(220, 38, 38, .28);
  background: rgba(220, 38, 38, .10);
  color: #991b1b;
}

.badge.info {
  border-color: rgba(37, 99, 235, .25);
  background: rgba(37, 99, 235, .10);
  color: #1e40af;
}

/* ── Helpers ─────────────────────────────────────────────── */
.muted {
  color: var(--muted);
  font-size: 12px;
}

.t-right {
  text-align: right;
}

.muted-row td {
  opacity: .65;
}

/* ── Alerts ──────────────────────────────────────────────── */
.alert {
  margin-top: 12px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, .80);
  font-weight: 600;
  font-size: 13px;
}

.alert.good {
  border-color: rgba(22, 163, 74, .25);
  background: rgba(22, 163, 74, .10);
  color: #166534;
}

.alert.bad {
  border-color: rgba(220, 38, 38, .25);
  background: rgba(220, 38, 38, .10);
  color: #991b1b;
}

.alert.warn {
  border-color: rgba(245, 158, 11, .30);
  background: rgba(245, 158, 11, .12);
  color: #92400e;
}

/* ── Page header ─────────────────────────────────────────── */
.page-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin: 8px 0 16px;
}

.page-head h1 {
  margin: 0;
  font-size: 22px;
  font-weight: 900;
  letter-spacing: -0.03em;
}

.page-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}

/* ── KPI grid ────────────────────────────────────────────── */
@keyframes kpi-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 10px;
  margin: 12px 0 16px;
}

.kpi {
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow-card);
  min-height: 80px;
  position: relative;
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition);
  animation: kpi-in .35s ease both;
}

.kpi:hover {
  box-shadow: var(--shadow-soft);
  transform: translateY(-2px);
}

/* accent left border */
.kpi::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  border-radius: 3px 0 0 3px;
  background: var(--kpi-accent, var(--primary));
}

/* accent variants */
.kpi.ab {
  --kpi-accent: var(--accent-blue);
}

.kpi.ag {
  --kpi-accent: var(--accent-green);
}

.kpi.aa {
  --kpi-accent: var(--accent-amber);
}

.kpi.av {
  --kpi-accent: var(--accent-violet);
}

.kpi.ar {
  --kpi-accent: var(--accent-rose);
}

.kpi.ac {
  --kpi-accent: var(--accent-cyan);
}

.kpi.ao {
  --kpi-accent: var(--accent-orange);
}

.kpi.at {
  --kpi-accent: var(--accent-teal);
}

.kpi .k-icon {
  font-size: 18px;
  margin-bottom: 6px;
  display: block;
}

.kpi .k-title {
  font-size: 10px;
  letter-spacing: .10em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 800;
}

.kpi .k-value {
  font-size: 26px;
  font-weight: 900;
  margin-top: 2px;
  letter-spacing: -0.03em;
  color: var(--kpi-accent, var(--primary));
}

.kpi .k-sub {
  margin-top: 2px;
  font-size: 11px;
  color: var(--muted);
}

/* legacy aliases */
.kpi .k-hint {
  font-size: 11px;
  color: var(--muted);
  margin-top: 2px;
}

.kpi-v {
  font-size: 26px;
  font-weight: 900;
  margin-top: 2px;
  letter-spacing: -0.03em;
}

.kpi-h {
  font-size: 10px;
  letter-spacing: .10em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 800;
}

.kpi-s {
  font-size: 11px;
  color: var(--muted);
  margin-top: 2px;
}

/* old .kpi-row (from index.cshtml) */
.kpi-row {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 10px;
  margin: 12px 0 16px;
}

/* ── Filters bar ─────────────────────────────────────────── */
.filters {
  display: grid;
  grid-template-columns: 1.4fr .8fr .8fr .8fr auto auto;
  gap: 10px;
  align-items: end;
  margin: 12px 0;
}

.filters .btn {
  height: 40px;
}

/* ── Section head ────────────────────────────────────────── */
.section-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.section-title {
  font-weight: 800;
  letter-spacing: -0.015em;
  font-size: 14px;
}

.section-sub {
  margin-top: 3px;
  color: var(--muted);
  font-size: 12px;
}

.section-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* ── Grid system ─────────────────────────────────────────── */
.form-grid {
  display: grid;
  gap: 12px;
}

.grid-12 {
  grid-template-columns: repeat(12, minmax(0, 1fr));
}

.col-1 {
  grid-column: span 1;
}

.col-2 {
  grid-column: span 2;
}

.col-3 {
  grid-column: span 3;
}

.col-4 {
  grid-column: span 4;
}

.col-5 {
  grid-column: span 5;
}

.col-6 {
  grid-column: span 6;
}

.col-7 {
  grid-column: span 7;
}

.col-8 {
  grid-column: span 8;
}

.col-9 {
  grid-column: span 9;
}

.col-10 {
  grid-column: span 10;
}

.col-11 {
  grid-column: span 11;
}

.col-12 {
  grid-column: span 12;
}

/* ── Tabs ────────────────────────────────────────────────── */
.tabs {
  display: flex;
  gap: 6px;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .72);
  margin-top: 10px;
  flex-wrap: wrap;
}

.tab {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 12px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  font-size: 12px;
  color: var(--text);
  transition: background var(--transition), border-color var(--transition);
}

.tab:hover {
  background: rgba(37, 99, 235, .07);
  border-color: rgba(37, 99, 235, .14);
  text-decoration: none;
}

.tab.active {
  background: rgba(37, 99, 235, .12);
  border-color: rgba(37, 99, 235, .22);
  color: var(--primary-2);
}

/* ── Split layouts ───────────────────────────────────────── */
.split {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 12px;
}

.stack {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.actions-bar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

/* ── Mini filters ────────────────────────────────────────── */
.mini-filters-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: end;
}

.mini-filters-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* ── Inline helpers ──────────────────────────────────────── */
.inline-form {
  margin-top: 8px;
}

.inline-row {
  display: flex;
  gap: 14px;
  align-items: center;
  flex-wrap: wrap;
}

.inline-bar {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: flex-end;
  margin-top: 10px;
}

/* ── Checkbox grid ───────────────────────────────────────── */
.check-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.check {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, .75);
}

.check.inline {
  padding: 8px 10px;
}

.check input {
  width: auto;
}

/* ── Row helpers ─────────────────────────────────────────── */
.row-main {
  font-weight: 800;
}

.row-sub {
  font-size: 12px;
  color: var(--muted);
  margin-top: 2px;
}

/* ── Notice ──────────────────────────────────────────────── */
.notice {
  margin-top: 10px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, .75);
  font-weight: 700;
  font-size: 13px;
}

.notice.good {
  border-color: rgba(22, 163, 74, .25);
  background: rgba(22, 163, 74, .10);
  color: #166534;
}

.notice.bad {
  border-color: rgba(220, 38, 38, .25);
  background: rgba(220, 38, 38, .10);
  color: #991b1b;
}

/* ── Days grid ───────────────────────────────────────────── */
.days-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 10px;
}

.day {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, .75);
  cursor: pointer;
  font-weight: 700;
  transition: background var(--transition), border-color var(--transition);
}

.day:hover {
  background: rgba(37, 99, 235, .07);
  border-color: rgba(37, 99, 235, .18);
}

.day input {
  width: auto;
}

/* ── Dashboard charts ────────────────────────────────────── */
.db-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 12px 0;
}

.grid2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 12px 0;
}

.chart-box {
  padding: 12px 16px 16px;
  height: 240px;
  position: relative;
}

/* BI dashboard page */
.bi-top {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 16px;
}

.bi-title h1 {
  font-size: 26px;
  font-weight: 900;
  letter-spacing: -0.04em;
  margin: 0;
}

.bi-filters {
  display: flex;
  gap: 12px;
  align-items: flex-end;
  flex-wrap: wrap;
  padding: 14px 16px;
}

.filter {
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-width: 140px;
}

.filter-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: flex-end;
}

.bi-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 12px;
}

/* Bar chart */
.chart {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  height: 180px;
  padding: 0 8px;
}

.bar {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  flex: 1;
}

.bar-fill {
  width: 100%;
  background: linear-gradient(180deg, var(--primary), var(--accent-violet));
  border-radius: 6px 6px 0 0;
  min-height: 4px;
  transition: height .4s ease;
}

.bar-label {
  font-size: 10px;
  color: var(--muted);
  text-align: center;
}

/* Rank bars (top lists) */
.rank {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 10px 16px;
}

.rank-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.rank-name {
  width: 140px;
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.rank-bar {
  flex: 1;
  height: 8px;
  background: rgba(37, 99, 235, .10);
  border-radius: 999px;
  overflow: hidden;
}

.rank-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--accent-violet));
  border-radius: inherit;
}

.rank-val {
  width: 40px;
  text-align: right;
  font-size: 12px;
  font-weight: 700;
}

/* Pie chart */
.pie-wrap {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 16px;
}

.pie-legend {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.legend-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* ── Action buttons compact in table cells ───────────────── */
td .btn {
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  font-size: 12px;
}

td .btn+.btn {
  margin-left: 6px;
}

/* ── Documents ───────────────────────────────────────────── */
.doc-upload {
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: var(--radius);
  padding: 14px;
  box-shadow: var(--shadow-card);
}

.doc-upload-form {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: flex-end;
}

.docs-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.doc-card {
  padding: 14px;
  border-radius: var(--radius);
  background: var(--card);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: transform var(--transition), box-shadow var(--transition);
}

.doc-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft);
}

.doc-top {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.doc-ic {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  border: 1px solid rgba(2, 6, 23, .08);
  background: rgba(255, 255, 255, .80);
  flex-shrink: 0;
}

.doc-ic.pdf {
  background: rgba(239, 68, 68, .10);
  border-color: rgba(239, 68, 68, .18);
}

.doc-ic.word {
  background: rgba(59, 130, 246, .10);
  border-color: rgba(59, 130, 246, .18);
}

.doc-ic.excel {
  background: rgba(34, 197, 94, .10);
  border-color: rgba(34, 197, 94, .18);
}

.doc-ic.image {
  background: rgba(245, 158, 11, .12);
  border-color: rgba(245, 158, 11, .18);
}

.doc-ic.zip {
  background: rgba(148, 163, 184, .18);
  border-color: rgba(148, 163, 184, .30);
}

.doc-ic.text {
  background: rgba(99, 102, 241, .10);
  border-color: rgba(99, 102, 241, .18);
}

.doc-meta {
  flex: 1;
  min-width: 0;
}

.doc-name {
  font-weight: 800;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.doc-sub {
  margin-top: 5px;
  font-size: 12px;
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.dot.sep {
  opacity: .4;
}

.doc-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  flex-wrap: wrap;
  margin-top: 2px;
}

/* form-grid extras */
.form-grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.form-grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

/* ── Detail grid (etiqueta / valor) ─────────────────────────────────────── */
.detail-grid {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.dl-row {
  display: grid;
  grid-template-columns: 160px 1fr;
  border-bottom: 1px solid var(--border);
  min-height: 38px;
}

.dl-row:last-child {
  border-bottom: none;
}

.dl-label {
  display: flex;
  align-items: center;
  padding: 9px 14px;
  background: rgba(15, 23, 42, .034);
  font-weight: 700;
  font-size: 11.5px;
  color: var(--muted);
  letter-spacing: .02em;
  border-right: 1px solid var(--border);
  user-select: none;
}

.dl-value {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  padding: 9px 14px;
  font-size: 13px;
  color: var(--text);
  background: rgba(255, 255, 255, .70);
  word-break: break-word;
}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 1180px) {

  .kpi-grid,
  .kpi-row {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .filters {
    grid-template-columns: 1fr 1fr;
  }

  .split {
    grid-template-columns: 1fr;
  }

  .check-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .db-grid,
  .grid2 {
    grid-template-columns: 1fr;
  }

  .bi-grid {
    grid-template-columns: 1fr;
  }

  .docs-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .form-grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 820px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: relative;
    height: auto;
  }

  .topbar {
    position: sticky;
    top: 10px;
    z-index: 20;
  }

  .kpi-grid,
  .kpi-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .grid-12 {
    grid-template-columns: 1fr;
  }

  .col-1,
  .col-2,
  .col-3,
  .col-4,
  .col-5,
  .col-6,
  .col-7,
  .col-8,
  .col-9,
  .col-10,
  .col-11,
  .col-12 {
    grid-column: span 1;
  }

  .mini-filters-grid {
    grid-template-columns: 1fr;
  }

  .days-grid {
    grid-template-columns: 1fr;
  }

  .docs-grid {
    grid-template-columns: 1fr;
  }

  .form-grid-2,
  .form-grid-3 {
    grid-template-columns: 1fr;
  }

  .filters {
    grid-template-columns: 1fr;
  }
}

/* =========================================================
   PLANIFICACIÓN VISUAL – CALENDARIO
   ========================================================= */
.plan-layout {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 14px;
  margin-top: 14px;
}
@media (max-width: 1100px) {
  .plan-layout { grid-template-columns: 1fr; }
}

/* ── Panel izquierdo: árbol ──────────────── */
.plan-tree {
  max-height: 75vh;
  overflow-y: auto;
  padding: 0 2px;
}
.plan-modulo {
  border: 2px solid var(--plan-color, var(--primary));
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-bottom: 10px;
  transition: box-shadow var(--transition);
}
.plan-modulo:hover { box-shadow: var(--shadow-soft); }
.plan-modulo-head {
  background: var(--plan-color, var(--primary));
  color: #fff;
  padding: 8px 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 700;
  flex-wrap: wrap;
}
.plan-modulo-head .plan-horas {
  margin-left: auto;
  opacity: .9;
  font-weight: 500;
  font-size: 11px;
}
.plan-modulo-body { padding: 8px 10px; }

.plan-uf {
  padding: 7px 10px;
  border-radius: 8px;
  border: 2px solid transparent;
  cursor: pointer;
  margin-bottom: 4px;
  transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.plan-uf:hover {
  background: rgba(37, 99, 235, .05);
  border-color: rgba(37, 99, 235, .15);
}
.plan-uf.active {
  background: rgba(37, 99, 235, .08);
  border-color: var(--plan-color, var(--primary));
  box-shadow: 0 0 0 3px rgba(37, 99, 235, .12);
}
.plan-uf-top {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
}
.plan-uf-top .badge { font-size: 10px; }
.plan-uf-name { font-weight: 600; font-size: 12px; flex: 1; }
.plan-uf-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 4px;
  font-size: 11px;
  color: var(--muted);
}
.plan-uf-bar {
  flex: 1;
  height: 5px;
  background: rgba(0,0,0,.08);
  border-radius: 4px;
  overflow: hidden;
}
.plan-uf-bar-fill {
  height: 100%;
  border-radius: 4px;
  transition: width .3s ease;
}
.plan-uf-pct { font-weight: 700; font-size: 10px; min-width: 32px; text-align: right; }

.plan-hint {
  font-size: 11px;
  color: var(--muted);
  padding: 8px;
  text-align: center;
  font-style: italic;
}

/* ── Panel derecho: calendario ──────────── */
.plan-cal-wrap {
  display: flex;
  flex-direction: column;
}
.plan-cal-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-bottom: 10px;
}
.plan-cal-nav .plan-month {
  font-weight: 800;
  font-size: 16px;
  min-width: 180px;
  text-align: center;
  letter-spacing: -0.02em;
}
.plan-cal-nav button {
  width: 34px; height: 34px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  cursor: pointer;
  font-size: 16px;
  display: flex; align-items: center; justify-content: center;
  transition: background var(--transition), box-shadow var(--transition);
}
.plan-cal-nav button:hover {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 2px 8px rgba(37, 99, 235, .25);
}

.plan-cal-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 3px;
}
.plan-cal-grid.cols-5 { grid-template-columns: repeat(5, 1fr); }
.plan-cal-grid.cols-6 { grid-template-columns: repeat(6, 1fr); }

.plan-cal-hdr {
  padding: 6px 4px;
  text-align: center;
  font-size: 10px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--muted);
}
.plan-cell {
  min-height: 68px;
  border: 2px solid transparent;
  border-radius: 8px;
  padding: 4px 6px;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition), box-shadow var(--transition), transform var(--transition);
  position: relative;
  background: var(--surface);
}
.plan-cell:hover:not(.disabled):not(.outside) {
  border-color: var(--primary);
  box-shadow: 0 2px 8px rgba(37, 99, 235, .12);
  transform: translateY(-1px);
}
.plan-cell .day-num {
  font-size: 12px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 2px;
}
.plan-cell.disabled {
  opacity: .35;
  cursor: not-allowed;
  background: rgba(0,0,0,.02);
}
.plan-cell.outside {
  opacity: .15;
  cursor: default;
  background: transparent;
}
.plan-cell.today {
  border-color: var(--primary);
}
.plan-cell.assigned {
  border-color: var(--cell-color, var(--primary));
  background: color-mix(in srgb, var(--cell-color, var(--primary)) 10%, white);
}
.plan-cell.assigned .day-num { color: var(--cell-color, var(--primary)); }
.plan-cell-uf {
  font-size: 9px;
  font-weight: 700;
  color: #fff;
  background: var(--cell-color, var(--primary));
  padding: 1px 5px;
  border-radius: 4px;
  display: inline-block;
  margin-bottom: 1px;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.plan-cell-hrs {
  font-size: 9px;
  color: var(--muted);
  font-weight: 600;
}
.plan-cell-prof {
  font-size: 8px;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.plan-cell.has-attendance::after {
  content: '📋';
  position: absolute;
  top: 3px;
  right: 4px;
  font-size: 10px;
}

/* ── Barra inferior ──────────────────────── */
.plan-bottom {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 16px;
  margin-top: 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  flex-wrap: wrap;
  box-shadow: var(--shadow-card);
}
.plan-summary {
  font-size: 12px;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  flex: 1;
}
.plan-summary strong { font-weight: 800; }
.plan-actions {
  display: flex;
  gap: 8px;
}

/* ── Toast de guardar ────────────────────── */
.plan-toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  background: var(--good);
  color: #fff;
  font-weight: 700;
  font-size: 13px;
  box-shadow: var(--shadow);
  z-index: 9999;
  animation: plan-toast-in .3s ease;
}
@keyframes plan-toast-in {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ── Edición en línea ────────────────────── */
.plan-edit-input {
  width: 100%;
  padding: 3px 6px;
  border: 1px solid var(--primary);
  border-radius: 4px;
  font-size: 12px;
  font-family: inherit;
  background: #fff;
  box-shadow: 0 0 0 2px rgba(37,99,235,.15);
}