:root {
  --ink: #26313f;
  --ink-soft: #6b7686;
  --surface: #f4f6fa;
  --card: #ffffff;
  --line: #e7ebf1;
  --accent: #4c7a76;      /* verde-azulado suave, calma sin ser genérico */
  --accent-soft: #e3efec;
  --accent-strong: #35605c;
  --warn: #c98a3a;
  --warn-soft: #fbeedd;
  --danger: #c15b52;
  --danger-soft: #fbe7e4;
  --radius: 16px;
  --shadow: 0 8px 24px -12px rgba(38, 49, 63, 0.16);
}

* { box-sizing: border-box; }

body {
  background: var(--surface);
  color: var(--ink);
  font-family: 'Manrope', system-ui, sans-serif;
  min-height: 100vh;
}

h1, h2, h3, h4, .navbar-brand { font-weight: 800; letter-spacing: -0.01em; }

.app-navbar {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
  padding: 0.65rem 0;
}
.navbar-brand { color: var(--ink) !important; display: flex; align-items: center; gap: .5rem; }
.brand-mark {
  background: var(--accent);
  color: #fff;
  width: 34px; height: 34px;
  border-radius: 10px;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: .8rem; font-weight: 800;
}
.nav-link { color: var(--ink-soft) !important; font-weight: 600; }
.nav-link:hover { color: var(--accent-strong) !important; }

.user-chip { display: flex; align-items: center; gap: .55rem; }
.user-avatar {
  width: 34px; height: 34px; border-radius: 50%;
  background: var(--accent-soft); color: var(--accent-strong);
  display: flex; align-items: center; justify-content: center; font-weight: 700;
}
.role-label { font-size: .72rem; text-transform: uppercase; letter-spacing: .04em; }

.app-main { max-width: 1180px; margin: 0 auto; padding: 2rem 1.25rem 3rem; }
.app-main.no-nav {
  max-width: 460px;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 1.5rem;
}

.card, .auth-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.auth-card { width: 100%; padding: 2.25rem; }
.auth-card .brand-mark { width: 44px; height: 44px; font-size: 1rem; border-radius: 12px; }

.stat-card { padding: 1.25rem 1.4rem; border-radius: var(--radius); }
.stat-card .stat-num { font-size: 1.9rem; font-weight: 800; }
.stat-card .stat-label { color: var(--ink-soft); font-size: .82rem; font-weight: 600; }

.form-control, .form-select {
  border-radius: 10px;
  border-color: var(--line);
  padding: .6rem .85rem;
}
.form-control:focus, .form-select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.form-label { font-weight: 600; font-size: .88rem; color: var(--ink); }

.btn { border-radius: 10px; font-weight: 700; padding: .55rem 1.1rem; }
.btn-primary { background: var(--accent); border-color: var(--accent); }
.btn-primary:hover, .btn-primary:focus { background: var(--accent-strong); border-color: var(--accent-strong); }
.btn-outline-secondary { border-color: var(--line); color: var(--ink-soft); }

.badge-pill { border-radius: 999px; padding: .35rem .7rem; font-weight: 700; font-size: .72rem; }
.status-abierto { background: var(--accent-soft); color: var(--accent-strong); }
.status-en_progreso { background: var(--warn-soft); color: var(--warn); }
.status-cerrado { background: #eceff3; color: var(--ink-soft); }
.status-pendiente { background: var(--warn-soft); color: var(--warn); }
.status-aprobado { background: var(--accent-soft); color: var(--accent-strong); }
.status-rechazado { background: var(--danger-soft); color: var(--danger); }

.priority-alta { color: var(--danger); font-weight: 700; }
.priority-media { color: var(--warn); font-weight: 700; }
.priority-baja { color: var(--ink-soft); font-weight: 700; }

.case-row {
  border-radius: 14px;
  padding: 1rem 1.15rem;
  border: 1px solid var(--line);
  background: var(--card);
  transition: box-shadow .15s ease, transform .15s ease;
}
.case-row:hover { box-shadow: var(--shadow); transform: translateY(-1px); }

.section-title { font-size: 1.05rem; font-weight: 800; margin-bottom: 1rem; }
.text-muted-soft { color: var(--ink-soft); }

.table > :not(caption) > * > * { padding: .85rem .75rem; vertical-align: middle; }
.table thead th { color: var(--ink-soft); font-size: .78rem; text-transform: uppercase; letter-spacing: .04em; border-bottom: 1px solid var(--line); }

@media (max-width: 576px) {
  .app-main { padding: 1.25rem .85rem 2.5rem; }
  .auth-card { padding: 1.5rem; }
}