/* ===========================================================
   LogiTrack — Naranja vial + gris técnico
   =========================================================== */
:root {
  --naranja: #FF6B1A;
  --naranja-2: #E55A0C;
  --naranja-glow: rgba(255,107,26,.15);
  --amber: #FFB020;
  --gris-900: #14181F;
  --gris-800: #1C2128;
  --gris-700: #262C36;
  --gris-600: #353C48;
  --gris-400: #6B7280;
  --gris-300: #9CA3AF;
  --gris-100: #E5E7EB;
  --blanco: #F8FAFC;
  --verde: #22C55E;
  --rojo: #EF4444;
  --radius: 10px;
  --radius-lg: 14px;
}

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

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--gris-900);
  color: var(--gris-100);
  line-height: 1.5;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { font-weight: 700; line-height: 1.2; letter-spacing: -0.01em; }
a { color: inherit; text-decoration: none; }

.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 24px; }
.login-card {
  background: var(--gris-800); border: 1px solid var(--gris-700);
  border-radius: var(--radius-lg); padding: 40px;
  width: 100%; max-width: 410px;
  box-shadow: 0 20px 60px rgba(0,0,0,.4);
  position: relative; overflow: hidden;
}
.login-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, var(--naranja), var(--amber));
}
.login-logo { display: flex; align-items: center; gap: 12px; justify-content: center; margin-bottom: 6px; }
.logo-mark {
  width: 44px; height: 44px; border-radius: 11px;
  background: linear-gradient(135deg, var(--naranja), var(--naranja-2));
  display: flex; align-items: center; justify-content: center;
  font-size: 24px; box-shadow: 0 4px 14px var(--naranja-glow);
}
.logo-text { font-size: 26px; font-weight: 800; letter-spacing: -0.02em; }
.logo-text span { color: var(--naranja); }
.login-sub { text-align: center; color: var(--gris-400); font-size: 13.5px; margin-bottom: 30px; }

.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 7px; color: var(--gris-300); }
.field input, .field select, .field textarea {
  width: 100%; padding: 12px 14px;
  background: var(--gris-900); color: var(--blanco);
  border: 1px solid var(--gris-700); border-radius: var(--radius);
  font-family: inherit; font-size: 14px; transition: all .14s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--naranja); box-shadow: 0 0 0 3px var(--naranja-glow);
}

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 22px; border-radius: var(--radius);
  font-family: inherit; font-size: 14px; font-weight: 700;
  border: none; cursor: pointer; transition: all .14s;
}
.btn-primary {
  background: linear-gradient(135deg, var(--naranja), var(--naranja-2));
  color: white; box-shadow: 0 4px 14px var(--naranja-glow);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 6px 20px var(--naranja-glow); }
.btn-full { width: 100%; }
.btn-ghost { background: var(--gris-800); color: var(--gris-100); border: 1px solid var(--gris-600); }
.btn-ghost:hover { border-color: var(--naranja); }
.btn-sm { padding: 8px 14px; font-size: 13px; }

.alert { padding: 12px 15px; border-radius: var(--radius); font-size: 13.5px; margin-bottom: 18px; }
.alert-error { background: rgba(239,68,68,.12); color: #FCA5A5; border: 1px solid rgba(239,68,68,.3); }
.alert-ok { background: rgba(34,197,94,.12); color: #86EFAC; border: 1px solid rgba(34,197,94,.3); }

.layout { display: flex; min-height: 100vh; }
.sidebar {
  width: 240px; background: var(--gris-800); border-right: 1px solid var(--gris-700);
  display: flex; flex-direction: column; padding: 20px 14px;
  position: sticky; top: 0; height: 100vh;
}
.sidebar-logo { display: flex; align-items: center; gap: 11px; padding: 8px 12px 24px; }
.sidebar-logo .logo-mark { width: 36px; height: 36px; font-size: 20px; }
.sidebar-logo .logo-text { font-size: 20px; }
.sidebar-nav { display: flex; flex-direction: column; gap: 3px; flex: 1; }
.sidebar-nav a {
  display: flex; align-items: center; gap: 12px;
  padding: 11px 13px; border-radius: var(--radius);
  color: var(--gris-300); font-weight: 600; font-size: 14px; transition: all .14s;
}
.sidebar-nav a:hover { background: var(--gris-700); color: var(--blanco); }
.sidebar-nav a.activo { background: var(--naranja-glow); color: var(--naranja); box-shadow: inset 3px 0 0 var(--naranja); }
.sidebar-footer { border-top: 1px solid var(--gris-700); padding-top: 14px; }
.user-info { display: flex; align-items: center; gap: 11px; padding: 4px 8px; }
.user-avatar {
  width: 36px; height: 36px; border-radius: 50%;
  background: linear-gradient(135deg, var(--naranja), var(--naranja-2));
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; color: white; text-transform: uppercase;
}
.user-name { font-size: 13.5px; font-weight: 600; color: var(--blanco); }
.user-logout { font-size: 11.5px; color: var(--gris-400); }
.user-logout:hover { color: var(--naranja); }

.contenido { flex: 1; padding: 32px 40px; max-width: 1500px; }
.page-head { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 28px; flex-wrap: wrap; gap: 16px; }
.page-head h1 { font-size: 28px; }
.page-sub { color: var(--gris-400); font-size: 14px; margin-top: 4px; }

.metricas { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 28px; }
.metrica {
  background: var(--gris-800); border: 1px solid var(--gris-700);
  border-radius: var(--radius-lg); padding: 20px 22px; position: relative; overflow: hidden;
}
.metrica::before { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: var(--naranja); }
.metrica-label { font-size: 12.5px; color: var(--gris-400); font-weight: 600; text-transform: uppercase; letter-spacing: .04em; }
.metrica-num { font-size: 34px; font-weight: 800; margin-top: 8px; }
.metrica-pie { font-size: 12px; color: var(--gris-400); margin-top: 4px; }

.card { background: var(--gris-800); border: 1px solid var(--gris-700); border-radius: var(--radius-lg); padding: 24px; }
.vacio { text-align: center; padding: 50px 24px; color: var(--gris-400); }

table { width: 100%; border-collapse: collapse; }
th { text-align: left; font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--gris-400); padding: 12px 14px; border-bottom: 1px solid var(--gris-700); }
td { padding: 14px; border-bottom: 1px solid var(--gris-700); font-size: 14px; }
tr:hover td { background: var(--gris-800); }

.badge { padding: 4px 11px; border-radius: 7px; font-size: 11.5px; font-weight: 700; }
.badge-verde { background: rgba(34,197,94,.15); color: #86EFAC; }
.badge-naranja { background: var(--naranja-glow); color: var(--naranja); }
.badge-gris { background: var(--gris-700); color: var(--gris-300); }

@media (max-width: 760px) {
  .layout { flex-direction: column; }
  .sidebar { width: 100%; height: auto; position: relative; flex-direction: row; align-items: center; }
  .sidebar-nav { flex-direction: row; overflow-x: auto; }
  .sidebar-nav a span { display: none; }
  .contenido { padding: 20px; }
}