:root {
  color-scheme: dark;          /* Fuerza controles nativos (select, scrollbar, etc.) al tema oscuro del SO */
  --navy:    #1e2a3a;
  --navy2:   #263447;
  --green:   #27ae60;
  --green2:  #2ecc71;
  --red:     #e74c3c;
  --orange:  #e67e22;
  --text:    #ecf0f1;
  --muted:   #95a5a6;
  --border:  #34495e;
  --card:    #243040;
  --bg-card: #243040;
  --surface: #263447;
  --input:   #1a2535;
  --white:   #ffffff;
}

/* Dropdowns oscuros */
select {
  color-scheme: dark;
  background-color: var(--navy2);
  color: var(--text);
  border-color: var(--border);
}
select option {
  background-color: #263447;
  color: #ecf0f1;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Segoe UI', Arial, sans-serif;
  background: var(--navy);
  color: var(--text);
  min-height: 100vh;
}

/* ── LAYOUT ── */
.layout { display: flex; min-height: 100vh; }

.sidebar {
  width: 220px;
  background: var(--navy2);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
}

.sidebar-logo {
  padding: 20px 18px 16px;
  border-bottom: 1px solid var(--border);
}
.sidebar-logo h2 { font-size: 14px; color: var(--green2); letter-spacing: 1px; text-transform: uppercase; }
.sidebar-logo p  { font-size: 11px; color: var(--muted); margin-top: 2px; }

.sidebar nav { flex: 1; padding: 12px 0; }
.sidebar nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 18px;
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
  transition: all .15s;
}
.sidebar nav a:hover, .sidebar nav a.active {
  background: rgba(255,255,255,.06);
  color: var(--text);
}
.sidebar nav a.active { border-left: 3px solid var(--green2); padding-left: 15px; }
.sidebar nav a .icon { font-size: 16px; width: 20px; text-align: center; }

.sidebar-footer {
  padding: 14px 18px;
  border-top: 1px solid var(--border);
  font-size: 12px;
  color: var(--muted);
}
.sidebar-footer #user-email { display: block; margin-bottom: 6px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.btn-logout {
  background: none; border: 1px solid var(--border); color: var(--muted);
  padding: 5px 10px; border-radius: 4px; cursor: pointer; font-size: 12px; width: 100%;
}
.btn-logout:hover { border-color: var(--red); color: var(--red); }
.btn-ajustes {
  background: none; border: 1px solid var(--border); color: var(--muted);
  padding: 5px 10px; border-radius: 4px; cursor: pointer; font-size: 12px; width: 100%;
  margin-bottom: 6px;
}
.btn-ajustes:hover { border-color: var(--green); color: var(--green); }

.main {
  margin-left: 220px;
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.topbar {
  padding: 18px 28px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.topbar h1 { font-size: 20px; font-weight: 600; }
.topbar .sub { font-size: 13px; color: var(--muted); }

.content { padding: 24px 28px; flex: 1; }

/* ── CARDS ── */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; margin-bottom: 28px; }
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 18px 20px;
}
.card .label { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .8px; }
.card .value { font-size: 26px; font-weight: 700; margin-top: 4px; }
.card .value.green { color: var(--green2); }
.card .value.red   { color: var(--red); }
.card .value.orange{ color: var(--orange); }

/* ── TABLE ── */
.table-wrap {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 24px;
}
.table-header {
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.table-header h3 { font-size: 14px; font-weight: 600; }

table { width: 100%; border-collapse: collapse; }
thead th {
  background: rgba(0,0,0,.2);
  padding: 10px 16px;
  text-align: left;
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .6px;
}
tbody tr { border-top: 1px solid var(--border); transition: background .1s; }
tbody tr:hover { background: rgba(255,255,255,.03); }
tbody td { padding: 12px 16px; font-size: 13px; }
tbody td.num { font-family: monospace; font-size: 13px; }

/* ── BADGES ── */
.badge {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
}
.badge-green  { background: rgba(39,174,96,.18);  color: var(--green2); }
.badge-orange { background: rgba(230,126,34,.18); color: var(--orange); }
.badge-red    { background: rgba(231,76,60,.18);  color: var(--red); }
.badge-blue   { background: rgba(52,152,219,.18); color: #74b9ff; }
.badge-gray   { background: rgba(149,165,166,.12);color: var(--muted); }

/* ── BUTTONS ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  transition: opacity .15s;
  text-decoration: none;
}
.btn:hover { opacity: .85; }
.btn-primary { background: var(--green); color: #fff; }
.btn-danger  { background: var(--red);   color: #fff; }
.btn-ghost   { background: transparent; border: 1px solid var(--border); color: var(--text); }
.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-icon { padding: 5px 8px; font-size: 14px; background: transparent; border: 1px solid var(--border); color: var(--muted); }
.btn-icon:hover { color: var(--text); border-color: var(--text); }

/* ── FORMS / MODAL ── */
.overlay {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,.6);
  z-index: 500;
  align-items: center;
  justify-content: center;
}
.overlay.open { display: flex; }

.modal {
  background: var(--navy2);
  border: 1px solid var(--border);
  border-radius: 10px;
  width: 480px;
  max-width: 95vw;
  max-height: 90vh;
  overflow-y: auto;
}
.modal-header {
  padding: 18px 22px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.modal-header h3 { font-size: 16px; }
.modal-close { background: none; border: none; color: var(--muted); cursor: pointer; font-size: 20px; line-height: 1; }
.modal-close:hover { color: var(--text); }
.modal-body { padding: 20px 22px; }
.modal-footer { padding: 14px 22px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; gap: 8px; }

.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 6px; text-transform: uppercase; letter-spacing: .5px; }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: var(--input);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  padding: 9px 12px;
  font-size: 14px;
  outline: none;
}
.form-group input:focus,
.form-group select:focus { border-color: var(--green); }
/* Opciones de <select> — fondo claro para que el texto sea legible en el dropdown nativo del SO */
select option {
  background: #ffffff;
  color: #111111;
}
/* Forzar ícono del calendario blanco en inputs de fecha (dark mode) */
.form-group input[type="date"],
input[type="date"] {
  color-scheme: dark;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

/* ── ALERTS ── */
.alert {
  padding: 12px 16px;
  border-radius: 6px;
  font-size: 13px;
  margin-bottom: 16px;
  display: none;
}
.alert.show { display: block; }
.alert-success { background: rgba(39,174,96,.15);  border: 1px solid var(--green);  color: var(--green2); }
.alert-error   { background: rgba(231,76,60,.15);  border: 1px solid var(--red);    color: var(--red); }
.alert-info    { background: rgba(52,152,219,.15); border: 1px solid #3498db;       color: #74b9ff; }

/* ── LOADER ── */
.spinner { display: inline-block; width: 18px; height: 18px; border: 2px solid rgba(255,255,255,.2); border-top-color: var(--green2); border-radius: 50%; animation: spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.loading-row td { text-align: center; padding: 32px; color: var(--muted); }

/* ── TABS ── */
.tabs { display: flex; gap: 4px; margin-bottom: 20px; }
.tab {
  padding: 8px 20px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 13px;
  transition: all .15s;
}
.tab.active { background: var(--green); border-color: var(--green); color: #fff; font-weight: 600; }

/* ── SECTION TITLE ── */
.section-title { font-size: 15px; font-weight: 600; margin-bottom: 14px; }

/* ── EMPTY STATE ── */
.empty { text-align: center; padding: 40px; color: var(--muted); font-size: 14px; }

/* ── LOGIN PAGE ── */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--navy);
}
.login-box {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 36px 40px;
  width: 380px;
  max-width: 95vw;
}
.login-box .logo { text-align: center; margin-bottom: 24px; }
.login-box .logo h1 { font-size: 18px; color: var(--green2); letter-spacing: 1px; }
.login-box .logo p  { font-size: 12px; color: var(--muted); margin-top: 4px; }