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

body {
    font-family: 'Segoe UI', Arial, sans-serif;
    background: #f2f4f7;
    color: #1f2937;
}

/* ---------- Login ---------- */
.login-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
}
.login-box {
    background: #fff;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0,0,0,.08);
    width: 340px;
}
.login-box h1 {
    font-size: 22px;
    margin-bottom: 6px;
    color: #1e3a8a;
}
.login-box p { color: #6b7280; margin-bottom: 20px; font-size: 13px; }
.login-box input {
    width: 100%; padding: 10px; margin-bottom: 12px;
    border: 1px solid #d1d5db; border-radius: 6px;
}
.login-box button {
    width: 100%; padding: 10px; background: #1e3a8a; color: #fff;
    border: none; border-radius: 6px; cursor: pointer; font-weight: 600;
}
.login-box button:hover { background: #1e40af; }

/* ---------- Layout general ---------- */
.topbar {
    background: #1e3a8a;
    color: #fff;
    padding: 14px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.topbar a { color: #fff; text-decoration: none; }
.topbar .brand { font-weight: 700; font-size: 18px; }

.nav {
    background: #1e40af;
    display: flex;
    gap: 4px;
    padding: 0 24px;
    flex-wrap: wrap;
}
.nav a {
    color: #dbeafe;
    text-decoration: none;
    padding: 12px 16px;
    font-size: 14px;
}
.nav a:hover, .nav a.active { background: #1e3a8a; color: #fff; }

.container { padding: 24px; max-width: 1100px; margin: 0 auto; }

/* ---------- Cards dashboard ---------- */
.cards { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 24px; }
.card {
    background: #fff; border-radius: 10px; padding: 20px;
    flex: 1; min-width: 160px; box-shadow: 0 2px 8px rgba(0,0,0,.05);
    border-left: 4px solid #1e3a8a;
}
.card .num { font-size: 28px; font-weight: 700; color: #1e3a8a; }
.card .label { color: #6b7280; font-size: 13px; }

/* ---------- Tablas ---------- */
.panel {
    background: #fff; border-radius: 10px; padding: 20px;
    box-shadow: 0 2px 8px rgba(0,0,0,.05); margin-bottom: 24px;
}
.panel h2 { margin-bottom: 16px; font-size: 18px; color: #1e3a8a; }

table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid #e5e7eb; }
th { color: #6b7280; font-weight: 600; font-size: 12px; text-transform: uppercase; }

.badge { padding: 3px 10px; border-radius: 20px; font-size: 12px; font-weight: 600; }
.badge-verde { background: #dcfce7; color: #166534; }
.badge-amarillo { background: #fef9c3; color: #854d0e; }
.badge-rojo { background: #fee2e2; color: #991b1b; }
.badge-azul { background: #dbeafe; color: #1e40af; }

/* ---------- Formularios ---------- */
.form-grid {
    display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px;
    margin-bottom: 16px;
}
.form-grid label { font-size: 13px; color: #374151; margin-bottom: 4px; display: block; }
.form-grid input, .form-grid select {
    width: 100%; padding: 8px; border: 1px solid #d1d5db; border-radius: 6px;
}

.btn {
    display: inline-block; padding: 8px 16px; border-radius: 6px;
    border: none; cursor: pointer; font-size: 13px; font-weight: 600;
    text-decoration: none;
}
.btn-primary { background: #1e3a8a; color: #fff; }
.btn-primary:hover { background: #1e40af; }
.btn-rojo { background: #fee2e2; color: #991b1b; }
.btn-rojo:hover { background: #fecaca; }

.alert {
    padding: 10px 14px; border-radius: 6px; margin-bottom: 16px; font-size: 14px;
}
.alert-ok { background: #dcfce7; color: #166534; }
.alert-error { background: #fee2e2; color: #991b1b; }