:root {
  --rojo: #d0111f;
  --rojo-oscuro: #a30d18;
  --negro: #131313;
  --gris-oscuro: #2b2b2b;
  --gris: #6b6b6b;
  --gris-claro: #e7e7e7;
  --gris-fondo: #f4f4f4;
  --blanco: #ffffff;
  --radio: 10px;
  --sombra: 0 2px 10px rgba(0, 0, 0, 0.12);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--gris-fondo);
  color: var(--negro);
  font-family: "Segoe UI", Roboto, Arial, sans-serif;
  min-height: 100vh;
}

a { color: inherit; }

/* ---------- Barra superior ---------- */
.topbar {
  background: var(--negro);
  color: var(--blanco);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 20px;
  box-shadow: var(--sombra);
  position: sticky;
  top: 0;
  z-index: 20;
}

.topbar .brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.topbar .brand img {
  height: 40px;
  display: block;
}

.topbar .brand .brand-text {
  font-weight: 700;
  letter-spacing: 1px;
  font-size: 1.1rem;
}

.topbar .brand .brand-text small {
  display: block;
  font-weight: 400;
  color: var(--gris-claro);
  font-size: 0.7rem;
  letter-spacing: 2px;
}

.topbar .userbox {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 0.9rem;
}

.topbar .accent {
  height: 4px;
  width: 100%;
  background: var(--rojo);
  position: absolute;
  bottom: -4px;
  left: 0;
}

/* ---------- Contenedores ---------- */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px 16px 60px;
}

.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(160deg, var(--negro) 0%, var(--negro) 45%, var(--rojo-oscuro) 130%);
  padding: 16px;
}

.card {
  background: var(--blanco);
  border-radius: var(--radio);
  box-shadow: var(--sombra);
  padding: 22px;
  margin-bottom: 20px;
}

.card h2, .card h3 {
  margin-top: 0;
}

.login-card {
  width: 100%;
  max-width: 380px;
  text-align: center;
}

.login-card img.logo {
  max-width: 260px;
  width: 100%;
  margin-bottom: 8px;
}

.login-card .fallback-brand {
  color: var(--blanco);
  background: var(--negro);
  padding: 14px 10px;
  border-radius: var(--radio);
  margin-bottom: 18px;
  letter-spacing: 2px;
  font-weight: 700;
  border: 2px solid var(--rojo);
}

.login-card .fallback-brand small {
  display: block;
  font-weight: 400;
  letter-spacing: 3px;
  font-size: 0.65rem;
  color: var(--gris-claro);
  margin-top: 4px;
}

/* ---------- Formularios ---------- */
label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin: 10px 0 4px;
  text-align: left;
}

input[type="text"],
input[type="password"],
input[type="number"],
input[type="datetime-local"],
textarea,
select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--gris-claro);
  border-radius: 8px;
  font-size: 1rem;
  font-family: inherit;
  background: var(--blanco);
  color: var(--negro);
}

textarea { resize: vertical; min-height: 70px; }

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--rojo);
  box-shadow: 0 0 0 3px rgba(208, 17, 31, 0.15);
}

form .field { margin-bottom: 6px; }

/* ---------- Botones ---------- */
button, .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: none;
  border-radius: 8px;
  padding: 11px 18px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.05s ease, opacity 0.15s ease;
  font-family: inherit;
}

button:active { transform: scale(0.98); }
button:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-primary { background: var(--rojo); color: var(--blanco); }
.btn-primary:hover:not(:disabled) { background: var(--rojo-oscuro); }

.btn-dark { background: var(--negro); color: var(--blanco); }
.btn-dark:hover:not(:disabled) { background: #000; }

.btn-outline {
  background: var(--blanco);
  color: var(--negro);
  border: 1px solid var(--gris-claro);
}
.btn-outline:hover:not(:disabled) { border-color: var(--negro); }

.btn-block { width: 100%; }
.btn-sm { padding: 6px 12px; font-size: 0.82rem; }

.btn-row { display: flex; gap: 10px; flex-wrap: wrap; }

/* ---------- Tablas ---------- */
table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--gris-claro); }
th { color: var(--gris); text-transform: uppercase; font-size: 0.72rem; letter-spacing: 0.5px; }
tr:hover td { background: var(--gris-fondo); }
.table-wrap { overflow-x: auto; }

/* ---------- Badges de estado ---------- */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  white-space: nowrap;
}
.badge-pendiente { background: var(--gris-claro); color: var(--gris-oscuro); }
.badge-en_curso { background: var(--rojo); color: var(--blanco); }
.badge-pausado { background: var(--negro); color: var(--blanco); opacity: 0.75; }
.badge-finalizado { background: var(--negro); color: var(--blanco); }

/* ---------- Trabajos (vista mecanico) ---------- */
.jobs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 14px;
}

.job-card {
  background: var(--blanco);
  border-radius: var(--radio);
  box-shadow: var(--sombra);
  padding: 16px;
  border-left: 5px solid var(--gris-claro);
  cursor: pointer;
  transition: border-color 0.15s ease;
}
.job-card:hover { border-left-color: var(--rojo); }
.job-card.selected { border-left-color: var(--rojo); box-shadow: 0 0 0 2px var(--rojo); }
.job-card .matricula { font-size: 1.15rem; font-weight: 800; letter-spacing: 1px; }
.job-card .meta { color: var(--gris); font-size: 0.85rem; margin-top: 4px; }
.job-card .ocupado { color: var(--rojo); font-size: 0.8rem; font-weight: 600; margin-top: 6px; }

.timer-panel {
  text-align: center;
  padding: 30px 20px;
}
.timer-clock {
  font-size: 3.2rem;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  letter-spacing: 1px;
  margin: 6px 0 4px;
}
.timer-clock.excedido { color: var(--rojo); }
.timer-sub { color: var(--gris); font-size: 0.9rem; margin-bottom: 18px; }

.alert {
  border-radius: 8px;
  padding: 12px 14px;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 16px;
}
.alert-danger { background: #fdeaea; color: var(--rojo-oscuro); border: 1px solid var(--rojo); }
.alert-info { background: var(--gris-fondo); color: var(--gris-oscuro); border: 1px solid var(--gris-claro); }

/* ---------- Modal de comentario obligatorio ---------- */
.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.55);
  display: flex; align-items: center; justify-content: center;
  z-index: 100;
  padding: 16px;
}
.modal {
  background: var(--blanco);
  border-radius: var(--radio);
  padding: 22px;
  max-width: 420px;
  width: 100%;
  box-shadow: var(--sombra);
}
.modal h3 { margin-top: 0; }
.hidden { display: none !important; }

/* ---------- Tabs admin ---------- */
.tabs { display: flex; gap: 6px; margin-bottom: 18px; flex-wrap: wrap; }
.tab-btn {
  background: var(--blanco);
  color: var(--negro);
  border: 1px solid var(--gris-claro);
  padding: 9px 16px;
  border-radius: 999px;
  font-size: 0.88rem;
  cursor: pointer;
}
.tab-btn.active { background: var(--negro); color: var(--blanco); border-color: var(--negro); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
  margin: 14px 0 4px;
}
.summary-box {
  background: var(--gris-fondo);
  border-radius: 8px;
  padding: 12px 14px;
}
.summary-box .label { font-size: 0.72rem; text-transform: uppercase; color: var(--gris); letter-spacing: 0.4px; }
.summary-box .value { font-size: 1.25rem; font-weight: 700; margin-top: 2px; }
.summary-box.danger .value { color: var(--rojo); }

.timeline { list-style: none; margin: 0; padding: 0; }
.timeline li {
  border-left: 3px solid var(--gris-claro);
  padding: 6px 0 12px 14px;
  margin-left: 4px;
  position: relative;
}
.timeline li::before {
  content: "";
  position: absolute;
  left: -6px; top: 8px;
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--rojo);
}
.timeline .ev-head { font-weight: 700; font-size: 0.88rem; }
.timeline .ev-date { color: var(--gris); font-size: 0.78rem; }
.timeline .ev-comment { margin-top: 3px; font-size: 0.88rem; background: var(--gris-fondo); padding: 6px 10px; border-radius: 6px; }

.error-text { color: var(--rojo); font-size: 0.85rem; margin-top: 6px; min-height: 1.1em; }
.muted { color: var(--gris); font-size: 0.85rem; }
.section-title { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; }

@media (max-width: 640px) {
  .timer-clock { font-size: 2.4rem; }
  .container { padding: 16px 10px 50px; }
}