:root {
  --bg: #f5f6f8;
  --panel: #ffffff;
  --border: #e2e5ea;
  --text: #16181d;
  --muted: #6b7280;
  --accent: #1f6feb;
  --accent-ink: #ffffff;
  --danger: #d33b3b;
  --ok: #1a8a4a;
  --warn: #b9770e;
  --radius: 10px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1115;
    --panel: #171a21;
    --border: #2a2e37;
    --text: #e7e9ee;
    --muted: #9aa1ac;
    --accent: #4c8dff;
    --accent-ink: #08101e;
  }
}

* { box-sizing: border-box; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 16px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}

.brand { display: flex; align-items: baseline; gap: 8px; }
.brand-mark { font-weight: 800; font-size: 18px; letter-spacing: 0.02em; }
.brand-sub { color: var(--muted); font-size: 13px; }

.topnav { display: flex; gap: 6px; }
.nav-btn {
  background: transparent;
  border: 1px solid transparent;
  color: var(--muted);
  padding: 7px 12px;
  border-radius: 8px;
  font-size: 14px;
  cursor: pointer;
}
.nav-btn:hover { background: var(--bg); }
.nav-btn.active { background: var(--accent); color: var(--accent-ink); }

main#app { max-width: 1200px; margin: 0 auto; padding: 16px; }

.view-header {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}
.view-header h1 { font-size: 20px; margin: 0; flex: 1; }
.view-actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }

.btn {
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 14px;
  cursor: pointer;
}
.btn:hover { border-color: var(--accent); }
.btn.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.btn.danger { color: var(--danger); border-color: var(--danger); background: transparent; }
.btn.back { background: transparent; }
.btn.file-btn { display: inline-flex; align-items: center; }
.btn.small { padding: 4px 10px; font-size: 13px; }

input[type=text], input[type=search], input[type=date], select, textarea {
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 14px;
  width: 100%;
}
textarea { resize: vertical; }

label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--muted); }
label > input, label > select, label > textarea { color: var(--text); }

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 16px;
}
.panel h2 { margin: 0 0 10px; font-size: 15px; }
.hint { color: var(--muted); font-size: 13px; margin: 0 0 12px; }

.grid { display: grid; gap: 10px; }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) { .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .grid-4 { grid-template-columns: 1fr; } }
.span-2 { grid-column: span 2; }
.span-4 { grid-column: 1 / -1; }

.table-wrap { overflow-x: auto; background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); }
table { border-collapse: collapse; width: 100%; font-size: 13px; }
th, td { padding: 9px 10px; text-align: left; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { color: var(--muted); font-weight: 600; position: sticky; top: 0; background: var(--panel); }
tbody tr:hover { background: var(--bg); cursor: pointer; }
.empty { padding: 30px; text-align: center; color: var(--muted); }

.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.badge-recibido { background: #e6ecff; color: #2a4bd8; }
.badge-en_proceso { background: #fff3d6; color: var(--warn); }
.badge-completado { background: #dff4e6; color: var(--ok); }
.badge-enviado_dgt { background: #e6f2ff; color: var(--accent); }
.badge-matriculado { background: #dcf7ec; color: #0c6b45; }
.badge-cancelado { background: #fde3e3; color: var(--danger); }
@media (prefers-color-scheme: dark) {
  .badge-recibido { background: #1c2a52; color: #9db4ff; }
  .badge-en_proceso { background: #3a2c0d; color: #e3b657; }
  .badge-completado { background: #0f3322; color: #6fdb9e; }
  .badge-enviado_dgt { background: #12283f; color: #8cc0ff; }
  .badge-matriculado { background: #0d3327; color: #6ee3b4; }
  .badge-cancelado { background: #3a1414; color: #ff9b9b; }
}

.progress { display: inline-flex; align-items: center; gap: 6px; }
.progress-bar { width: 60px; height: 6px; background: var(--border); border-radius: 4px; overflow: hidden; }
.progress-bar > span { display: block; height: 100%; background: var(--accent); }

.batch-bar {
  position: sticky;
  bottom: 12px;
  margin-top: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 14px;
  box-shadow: 0 6px 20px rgba(0,0,0,.12);
}

.tabs { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 12px; border-bottom: 1px solid var(--border); padding-bottom: 8px; }
.tab-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 13px;
  cursor: pointer;
}
.tab-btn.active { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

.field-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px 14px; }
@media (max-width: 900px) { .field-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .field-grid { grid-template-columns: 1fr; } }
.field-grid label span.req { color: var(--danger); margin-left: 3px; }
.field-grid label span.code { color: var(--muted); font-weight: 400; }

.toast {
  position: fixed;
  bottom: 18px;
  left: 50%;
  transform: translateX(-50%);
  background: #16181d;
  color: #fff;
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 14px;
  z-index: 100;
  box-shadow: 0 8px 24px rgba(0,0,0,.25);
}

ul, ol { padding-left: 20px; color: var(--text); }
li { margin-bottom: 6px; }