:root {
    --fondo: #eef3f8;
    --superficie: #ffffff;
    --linea: rgba(23, 50, 77, .12);
    --texto: #17324d;
    --muted: #5f6b7a;
    --azul: #2d7ff9;
    --verde: #16a34a;
    --rojo: #dc2626;
    --sombra: 0 16px 34px rgba(23, 50, 77, .09);
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: "Segoe UI", Arial, sans-serif;
    color: var(--texto);
    background: linear-gradient(180deg, #f8fbff 0%, var(--fondo) 100%);
}

.wrap {
    width: min(1050px, calc(100% - 24px));
    margin: 20px auto;
}

.panel {
    background: var(--superficie);
    border: 1px solid var(--linea);
    border-radius: 16px;
    box-shadow: var(--sombra);
    padding: 18px;
}

h1 {
    margin: 0;
    font-size: clamp(1.4rem, 3vw, 1.95rem);
}

.sub {
    margin-top: 8px;
    color: var(--muted);
    line-height: 1.5;
}

.flash,
.error {
    margin-top: 12px;
    border-radius: 10px;
    padding: 10px 12px;
    font-size: 14px;
    line-height: 1.45;
}

.flash.ok {
    background: #ebf9ef;
    border: 1px solid #b9ebc7;
    color: #1f6b3b;
}

.flash.error,
.error {
    background: #ffefee;
    border: 1px solid #f5b7b3;
    color: #842029;
}

.crear {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 10px;
    margin-top: 14px;
}

input,
select,
button {
    font: inherit;
    border-radius: 10px;
    border: 1px solid #d5dfe9;
    padding: 10px;
}

button {
    border: 0;
    color: #fff;
    font-weight: 700;
    cursor: pointer;
}

.btn-azul { background: var(--azul); }
.btn-verde { background: var(--verde); }
.btn-rojo { background: var(--rojo); }
.btn-ver-productos {
    background: #1f4e79;
    color: #fff;
    border: 1px solid #1f4e79;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 12px;
    border-radius: 8px;
    font-weight: 700;
    font-size: 13px;
    transition: background-color .15s ease, border-color .15s ease;
}

.btn-ver-productos:hover,
.btn-ver-productos:focus-visible {
    background: #173b5e;
    border-color: #173b5e;
    outline: none;
}

.tabla-wrap {
    margin-top: 16px;
    overflow-x: auto;
    border: 1px solid var(--linea);
    border-radius: 12px;
}

table {
    width: 100%;
    border-collapse: collapse;
    min-width: 900px;
    background: #fff;
}

th,
td {
    padding: 10px;
    border-bottom: 1px solid #edf2f7;
    text-align: left;
    vertical-align: top;
    font-size: 14px;
}

th {
    background: #f4f8ff;
    color: #1f4e79;
}

.inline {
    display: grid;
    grid-template-columns: minmax(150px, 1fr) auto;
    gap: 8px;
}

.inline-delete {
    display: grid;
    grid-template-columns: minmax(150px, 1fr) auto;
    gap: 8px;
}

.meta {
    color: var(--muted);
    font-size: 13px;
}

.volver {
    display: inline-block;
    margin-top: 14px;
    color: #1f5d94;
    text-decoration: none;
}

@media (max-width: 720px) {
    .crear,
    .inline,
    .inline-delete {
        grid-template-columns: 1fr;
    }
}