:root {
    --crema: #faf6ee;
    --papel: #ffffff;
    --verde: #2f5d46;
    --verde-claro: #e4efe8;
    --terracota: #c8643c;
    --tinta: #2b2a26;
    --gris: #7a766b;
    --borde: #e6dfd0;
}

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

body {
    font-family: Calibri, "Segoe UI", Verdana, sans-serif;
    font-size: 17px;
    background: var(--crema);
    color: var(--tinta);
    min-height: 100vh;
}

h1, h2, .logo {
    font-family: Cambria, "Palatino Linotype", Georgia, serif;
}

.campo { margin-bottom: 18px; }
.campo label { display: block; font-size: 15px; margin-bottom: 6px; color: var(--gris); }

input {
    width: 100%;
    padding: 13px 16px;
    border: 2px solid var(--borde);
    border-radius: 12px;
    background: #fffdf9;
    font: inherit;
    color: var(--tinta);
}
input:focus { outline: none; border-color: var(--verde); }

.btn {
    padding: 13px 26px;
    border: 0;
    border-radius: 12px;
    background: var(--verde);
    color: #fff;
    font: inherit;
    font-weight: 700;
    cursor: pointer;
    transition: background .15s;
}
.btn:hover { background: #244a38; }

.nota { padding: 13px 16px; border-radius: 12px; margin-bottom: 20px; font-size: 16px; }
.nota-ok { background: var(--verde-claro); color: #1f4631; }
.nota-error { background: #fbe6dd; color: #8a3414; }

/* ---------- Portada ---------- */
.portada {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background:
        radial-gradient(circle at 90% 10%, rgba(200, 100, 60, .18), transparent 40%),
        radial-gradient(circle at 5% 95%, rgba(47, 93, 70, .2), transparent 45%),
        var(--crema);
}
.tarjeta-ingreso {
    width: 100%;
    max-width: 400px;
    background: var(--papel);
    border: 1px solid var(--borde);
    border-radius: 24px;
    padding: 42px 34px;
    text-align: center;
    box-shadow: 0 18px 50px rgba(60, 50, 30, .12);
}
.tarjeta-ingreso form { text-align: left; margin-top: 24px; }
.tarjeta-ingreso .btn { width: 100%; margin-top: 6px; }
.insignia {
    width: 64px; height: 64px;
    margin: 0 auto 16px;
    border-radius: 50%;
    background: var(--verde-claro);
    color: var(--verde);
    font-size: 32px;
    display: flex; align-items: center; justify-content: center;
}
.tarjeta-ingreso h1 { font-size: 30px; color: var(--verde); }
.subtitulo { color: var(--gris); margin-top: 6px; }

/* ---------- Interior ---------- */
.cabecera {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    padding: 16px 32px;
    background: var(--papel);
    border-bottom: 1px solid var(--borde);
}
.logo { font-size: 22px; font-weight: 700; color: var(--verde); }
.sesion { display: flex; align-items: center; gap: 18px; }
.sesion a {
    color: var(--terracota);
    font-weight: 700;
    text-decoration: none;
    border-bottom: 2px solid transparent;
}
.sesion a:hover { border-color: var(--terracota); }

.contenedor { max-width: 760px; margin: 0 auto; padding: 34px 20px 60px; }

.resumen { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 16px; margin-bottom: 30px; }
.dato {
    background: var(--papel);
    border: 1px solid var(--borde);
    border-radius: 18px;
    padding: 20px;
}
.dato span { display: block; font-size: 14px; color: var(--gris); margin-bottom: 4px; }
.dato strong { font-size: 24px; font-family: Cambria, Georgia, serif; }
.dato-principal { background: var(--verde); border-color: var(--verde); color: #fff; }
.dato-principal span { color: #cfe3d7; }
.dato-principal strong { font-size: 32px; }

.bloque { margin-bottom: 30px; }
.bloque h2 { font-size: 22px; margin-bottom: 14px; }

.linea-abono { display: flex; gap: 12px; }
.linea-abono input { flex: 1; }

.vacio { color: var(--gris); padding: 18px; background: var(--papel); border: 1px dashed var(--borde); border-radius: 14px; }

.lista { list-style: none; padding: 0; background: var(--papel); border: 1px solid var(--borde); border-radius: 18px; overflow: hidden; }
.lista li { display: flex; justify-content: space-between; padding: 16px 20px; }
.lista li + li { border-top: 1px solid var(--borde); }
.fecha { color: var(--gris); }
.valor { font-weight: 700; color: var(--verde); }

/* ---------- Celular ---------- */
@media (max-width: 640px) {
    .cabecera { padding: 14px 18px; }
    .resumen { grid-template-columns: 1fr 1fr; }
    .dato-principal { grid-column: 1 / -1; }
    .linea-abono { flex-direction: column; }
}