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

body {
    font-family: Arial, sans-serif;
    color: #333;
    background-color: #f0f2f5;
}

.encabezado {
    background-color: #1e293b;
    color: white;
    padding: 15px 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

#logo {
    font-size: 24px;
}

#logo span {
    color: #38bdf8;
}

.usuario {
    font-size: 14px;
}

.grid_principal {
    display: grid;
    grid-template-columns: 200px 1fr 220px;
    min-height: calc(100vh - 110px);
}

.menu {
    background-color: #0f172a;
    padding-top: 15px;
}

.menu ul {
    list-style: none;
}

.menu a {
    text-decoration: none;
    color: white;
    display: block;
    padding: 12px 20px;
}

main {
    padding: 20px;
}

.metricas {
    display: flex;
    justify-content: space-between;
    gap: 15px;
    margin-bottom: 20px;
}

.tarjeta {
    background-color: white;
    padding: 15px;
    border-radius: 6px;
    flex: 1;
    text-align: center;
    border: 1px solid #cbd5e1;
}

.tarjeta h3 {
    font-size: 15px;
}

.tarjeta .numero {
    font-size: 28px;
    font-weight: bold;
    color: #0284c7;
    margin-top: 8px;
}

.seccion_tabla {
    background-color: white;
    padding: 20px;
    border-radius: 6px;
    border: 1px solid #cbd5e1;
}

.seccion_tabla h2 {
    margin-bottom: 15px;
    font-size: 18px;
}

.tabla {
    width: 100%;
    border-collapse: collapse;
}

.tabla th, .tabla td {
    padding: 10px;
    text-align: left;
    border-bottom: 1px solid #e2e8f0;
}

.tabla th {
    background-color: #f8fafc;
}

.entregado {
    background-color: #dcfce7;
    color: #166534;
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: bold;
}

.pendiente {
    background-color: #fef9c3;
    color: #854d0e;
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: bold;
}

.avisos {
    background-color: white;
    padding: 20px;
    border-left: 1px solid #cbd5e1;
}

.avisos h3 {
    margin-bottom: 12px;
    font-size: 16px;
}

.avisos p {
    margin-bottom: 8px;
    font-size: 13px;
}

.pie {
    background-color: #1e293b;
    color: white;
    text-align: center;
    padding: 12px;
    font-size: 13px;
}