:root {
  --bg: #0f0f12;
  --sidebar-bg: #17171b;
  --card: #1b1b20;
  --card-alt: #232329;
  --border: #2c2c33;
  --text: #f2f2f4;
  --muted: #96969f;
  --orange: #ff6a1a;
  --orange-dark: #e05812;
  --orange-soft: rgba(255, 106, 26, 0.14);
  --green: #22c55e;
  --green-soft: rgba(34, 197, 94, 0.15);
  --red: #f87171;
  --red-soft: rgba(248, 113, 113, 0.15);
  --amber: #fbbf24;
  --amber-soft: rgba(245, 158, 11, 0.15);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #3a3a42; border-radius: 6px; }
::-webkit-scrollbar-thumb:hover { background: #48484f; }

.app-shell {
  display: flex;
  min-height: 100vh;
  align-items: flex-start;
}

.sidebar {
  width: 240px;
  flex-shrink: 0;
  background: var(--sidebar-bg);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 20px 14px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 10px 26px;
}

.logo-mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--orange), var(--orange-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: #fff;
  font-size: 18px;
  font-family: Georgia, 'Times New Roman', serif;
  flex-shrink: 0;
  box-shadow: 0 4px 14px rgba(255, 106, 26, 0.35);
}

.logo-title { font-weight: 700; font-size: 16px; color: var(--text); line-height: 1.2; letter-spacing: -0.01em; }
.logo-subtitle { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; }

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 8px;
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
}

.sidebar-link svg { width: 18px; height: 18px; flex-shrink: 0; }

.sidebar-link:hover { background: var(--card-alt); color: var(--text); }

.sidebar-link.active {
  background: var(--orange-soft);
  color: var(--orange);
}

.sidebar-divider {
  height: 1px;
  background: var(--border);
  margin: 12px 4px;
}

.main-area {
  flex: 1;
  min-width: 0;
}

main {
  max-width: 1080px;
  margin: 0 auto;
  padding: 28px 24px 60px;
}

@media (max-width: 780px) {
  .app-shell { flex-direction: column; }
  .sidebar {
    width: 100%;
    height: auto;
    position: static;
    flex-direction: row;
    align-items: center;
    padding: 10px 12px;
    overflow-x: auto;
  }
  .sidebar-logo { padding: 4px 14px 4px 4px; }
  .sidebar-nav { flex-direction: row; }
  .sidebar-divider { width: 1px; height: 24px; margin: 0 6px; flex-shrink: 0; }
  main { padding: 20px 16px 50px; }
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 20px;
}

.card h2 {
  margin-top: 0;
  font-size: 16px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

@media (min-width: 640px) {
  .form-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
  .form-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
  .form-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
}

label {
  display: block;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 4px;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="date"],
input[type="number"],
select {
  width: 100%;
  padding: 9px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 14px;
  background: var(--card-alt);
  color: var(--text);
}

input::placeholder { color: var(--muted); }

input:focus, select:focus {
  outline: none;
  border-color: var(--orange);
}

.type-toggle {
  display: flex;
  gap: 8px;
}

.type-toggle button {
  flex: 1;
  padding: 9px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--card-alt);
  color: var(--text);
  cursor: pointer;
  font-size: 14px;
}

.type-toggle button.active[data-type="ingreso"] {
  background: var(--green);
  border-color: var(--green);
  color: #08170e;
}

.type-toggle button.active[data-type="egreso"] {
  background: var(--red);
  border-color: var(--red);
  color: #200404;
}

button.btn {
  background: linear-gradient(135deg, var(--orange), var(--orange-dark));
  color: #fff;
  border: none;
  padding: 10px 18px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}

button.btn:hover { filter: brightness(1.08); }

button.btn.secondary {
  background: var(--card-alt);
  color: var(--text);
  border: 1px solid var(--border);
  font-weight: 500;
}

button.btn.secondary:hover { background: #292930; filter: none; }

button.btn.small {
  padding: 6px 12px;
  font-size: 13px;
}

button.btn.danger {
  background: var(--card-alt);
  color: var(--red);
  border: 1px solid var(--red);
  font-weight: 500;
}

button.btn.danger:hover { background: var(--red-soft); filter: none; }

.table-wrap {
  overflow-x: auto;
  max-width: 100%;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.table-wrap table {
  min-width: 720px;
}

th, td {
  text-align: left;
  padding: 10px 10px;
  border-bottom: 1px solid var(--border);
}

th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: 0.03em; }

tr.selectable { cursor: pointer; }
tr.selectable:hover { background: var(--card-alt); }
tr.selected { background: var(--orange-soft); }

.badge {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}

.badge.pendiente { background: var(--amber-soft); color: var(--amber); }
.badge.clasificado { background: var(--green-soft); color: var(--green); }
.badge.cobrado { background: var(--green-soft); color: var(--green); }
.badge.cobrado_parcial { background: var(--orange-soft); color: var(--orange); }
.badge.anulada { background: rgba(150, 150, 158, 0.15); color: var(--muted); }

.status-toggle {
  display: flex;
  gap: 6px;
}

.status-toggle button {
  flex: 1;
  padding: 9px 6px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--card-alt);
  color: var(--text);
  cursor: pointer;
  font-size: 13px;
  white-space: nowrap;
}

.status-toggle button.active[data-status="pendiente"] { background: var(--amber); border-color: var(--amber); color: #241a02; }
.status-toggle button.active[data-status="cobrado"] { background: var(--green); border-color: var(--green); color: #08170e; }
.status-toggle button.active[data-status="cobrado_parcial"] { background: var(--orange); border-color: var(--orange); color: #fff; }

.combobox-list,
.multiselect-panel {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--card-alt);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  z-index: 20;
  max-height: 220px;
  overflow-y: auto;
}

.combobox-list { max-height: 180px; }

.combobox-item {
  padding: 8px 10px;
  font-size: 14px;
  cursor: pointer;
}

.combobox-item:hover { background: #2d2d35; }

.multiselect-toggle {
  width: 100%;
  padding: 9px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 14px;
  background: var(--card-alt);
  color: var(--text);
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 6px;
}

.multiselect-toggle::after {
  content: "▾";
  color: var(--muted);
  font-size: 12px;
}

.multiselect-toggle.disabled {
  color: var(--muted);
  cursor: not-allowed;
  background: var(--card);
}

.multiselect-panel {
  padding: 4px 0;
}

.multiselect-option {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  font-size: 14px;
  cursor: pointer;
}

.multiselect-option:hover { background: #2d2d35; }
.multiselect-option input { pointer-events: none; accent-color: var(--orange); }

.retention-row {
  display: grid;
  grid-template-columns: 1fr 140px 40px;
  gap: 8px;
  margin-bottom: 8px;
  position: relative;
}

.retention-type-toggle {
  display: flex;
  gap: 6px;
}

.retention-type-toggle button {
  flex: 1;
  padding: 9px 6px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--card-alt);
  color: var(--text);
  cursor: pointer;
  font-size: 13px;
  white-space: nowrap;
}

.retention-type-toggle button.active {
  background: var(--orange);
  border-color: var(--orange);
  color: #fff;
}

.msg {
  font-size: 13px;
  margin-top: 10px;
}

.msg.ok { color: var(--green); }
.msg.error { color: var(--red); }

.totals-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 14px;
  margin-bottom: 20px;
}

.total-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  text-align: center;
}

.total-card .label { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.03em; }
.total-card .value { font-size: 22px; font-weight: 700; margin-top: 4px; }

.empty-state { color: var(--muted); font-size: 14px; padding: 20px 0; text-align: center; }

@media (max-width: 640px) {
  .totals-row { grid-template-columns: 1fr; }
  .retention-row { grid-template-columns: 1fr 100px 32px; }
}