* { box-sizing: border-box; }
body {
    font-family: system-ui, "Segoe UI", sans-serif;
    margin: 0;
    line-height: 1.45;
    color: #1a1a1a;
    background: #f4f4f2;
}
.site-header {
    background: #2c3e50;
    color: #ecf0f1;
    padding: 0.75rem 1.25rem;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem;
}
.site-header nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}
.site-header a {
    color: #bdc3c7;
    text-decoration: none;
}
.site-header a:hover { color: #fff; text-decoration: underline; }
.main {
    max-width: 960px;
    margin: 0 auto;
    padding: 1.25rem;
}
h1 { font-size: 1.35rem; margin-top: 0; }
h2 { font-size: 1.1rem; }
.muted { color: #666; font-size: 0.9rem; }
.error {
    background: #fdecea;
    border: 1px solid #e74c3c;
    padding: 0.5rem 0.75rem;
    border-radius: 4px;
}
.success {
    background: #e8f8ef;
    border: 1px solid #27ae60;
    padding: 0.5rem 0.75rem;
    border-radius: 4px;
}
.facturar-box {
    background: #fff;
    border: 1px solid #ccc;
    border-radius: 6px;
    padding: 1rem 1.25rem;
    margin: 1.25rem 0;
}
.facturar-box h2 { margin-top: 0; }
.credito-fecha-limite {
    margin: 0.75rem 0 1rem;
    padding: 0.75rem 1rem;
    background: #f8f9fb;
    border: 1px solid #dde4ec;
    border-radius: 6px;
    max-width: 28rem;
}
.credito-fecha-limite input[type="date"] {
    display: block;
    width: 100%;
    max-width: 16rem;
    margin-top: 0.25rem;
    padding: 0.35rem 0.5rem;
    border: 1px solid #ccc;
    border-radius: 4px;
}
.ecf-worker-panel {
    background: #fff;
    border: 1px solid #c5d4e0;
    border-radius: 6px;
    padding: 1rem 1.25rem;
    margin: 1.25rem 0;
}
.ecf-worker-panel h2 { margin-top: 0; }
.ecf-worker-panel h3 { font-size: 1rem; margin: 1rem 0 0.5rem; }
.btn {
    display: inline-block;
    padding: 0.35rem 0.75rem;
    background: #34495e;
    color: #fff !important;
    text-decoration: none;
    border-radius: 4px;
    font-size: 0.9rem;
}
.btn:hover { background: #2c3e50; }
.form label {
    display: block;
    margin-bottom: 0.75rem;
}
.form input, .form select, .form textarea {
    display: block;
    width: 100%;
    max-width: 28rem;
    margin-top: 0.25rem;
    padding: 0.35rem 0.5rem;
    border: 1px solid #ccc;
    border-radius: 4px;
}
.form button {
    margin-top: 0.5rem;
    padding: 0.45rem 1rem;
    background: #27ae60;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}
.form button:hover { background: #219a52; }
.form a { margin-left: 0.75rem; }
.lines-table select { max-width: 100%; }
.lines-table input { max-width: 8rem; }
.lines-table .col-precio { white-space: nowrap; font-variant-numeric: tabular-nums; }
.lines-table .col-acciones { width: 1%; }
.btn-line {
    padding: 0.25rem 0.5rem;
    font-size: 0.85rem;
    background: #95a5a6;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}
.btn-line:hover:not(:disabled) { background: #7f8c8d; }
.btn-line:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}
.btn-add-line { margin-bottom: 0.5rem; }
.table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    font-size: 0.9rem;
    box-shadow: 0 1px 2px rgba(0,0,0,.06);
}
.table th, .table td {
    border: 1px solid #ddd;
    padding: 0.4rem 0.5rem;
    text-align: left;
}
.table th { background: #eaeaea; }
.pedidos-list-meta { margin-bottom: 0.75rem; }
.pagination {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem 1rem;
    margin-top: 1rem;
    padding: 0.5rem 0;
}
.pagination a {
    color: #5b2c83;
    font-weight: 600;
    text-decoration: none;
}
.pagination a:hover { text-decoration: underline; }
.pagination-disabled {
    color: #999;
    cursor: default;
    user-select: none;
}
.pagination-status {
    color: #444;
    font-size: 0.95rem;
}
.tiles {
    list-style: none;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}
.tiles li {
    background: #fff;
    border: 1px solid #ccc;
    border-radius: 4px;
    padding: 0.75rem 1rem;
}
.tiles a { font-weight: 600; }
.dl-grid {
    display: grid;
    grid-template-columns: 10rem 1fr;
    gap: 0.35rem 1rem;
    background: #fff;
    padding: 1rem;
    border: 1px solid #ddd;
    border-radius: 4px;
}
.dl-grid dt { font-weight: 600; color: #555; }
.dl-grid dd { margin: 0; }

.cert-dgii-note {
    background: #eceff1;
    border: 1px solid #cfd8dc;
    border-radius: 6px;
    padding: 0.75rem 1rem;
    margin: 1rem 0;
}
.cert-toolbar {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin: 1rem 0;
}
.cert-stepper {
    list-style: none;
    padding: 0;
    margin: 0;
    counter-reset: step;
}
.cert-step {
    background: #fff;
    border: 1px solid #ccc;
    border-radius: 8px;
    padding: 1rem 1.25rem;
    margin-bottom: 1rem;
    position: relative;
}
.cert-step-head {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    margin-bottom: 0.35rem;
}
.cert-step-title { font-weight: 700; }
.cert-step-head-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    justify-content: flex-end;
}
.btn-cert-reset {
    font-size: 0.75rem;
    padding: 0.25rem 0.55rem;
    line-height: 1.2;
}
.cert-step-badge {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-weight: 600;
}
.badge-muted { background: #ecf0f1; color: #546e7a; }
.badge-warn { background: #fff3e0; color: #e65100; }
.badge-ok { background: #e8f5e9; color: #2e7d32; }
.badge-err { background: #ffebee; color: #c62828; }
.cert-step-desc { margin: 0 0 0.75rem; }
.cert-upload-form label { margin-bottom: 0.5rem; }
.cert-archivos {
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px dashed #cfd8dc;
}
.cert-archivo-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem 0.75rem;
    margin-bottom: 0.4rem;
}
.cert-archivo-row:last-child { margin-bottom: 0; }
.btn-cert-dl {
    font-size: 0.8rem;
    padding: 0.35rem 0.65rem;
    background: #37474f;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}
.btn-cert-dl:hover { background: #455a64; }