/* ============================================
   Firmar XML (XAdES) · HE-016
   Complementa tool_navy.css (skin compartido navy)
   ============================================ */

.firma-container {
    max-width: 720px;
    margin: 0 auto;
    display: flex; flex-direction: column; gap: 16px;
}

.firma-card {
    background: var(--nv-card);
    border: 1px solid var(--nv-border);
    border-radius: 12px;
    padding: 20px 22px;
    box-shadow: 0 3px 12px rgba(20,61,102,0.08);
}

.firma-header {
    display: flex; flex-direction: column; align-items: center; text-align: center;
    gap: 6px; margin-bottom: 16px;
}
.firma-icon {
    width: 54px; height: 54px;
    display: grid; place-items: center;
    background: var(--nv-grad);
    color: #fff; border-radius: 14px; font-size: 26px;
    margin-bottom: 4px;
}
.firma-title { font-size: 18px; font-weight: 700; color: var(--nv-text-2); }
.firma-subtitle { font-size: 12.5px; color: var(--nv-soft); line-height: 1.45; max-width: 480px; }

/* Aviso de privacidad */
.firma-priv {
    display: flex; align-items: center; gap: 10px;
    background: #eff6ff;
    border: 1px solid #bfdbfe;
    color: #1d4ed8;
    border-radius: 9px;
    padding: 10px 14px;
    font-size: 12px; line-height: 1.4;
    margin-bottom: 16px;
}
.firma-priv i { font-size: 18px; flex: 0 0 auto; }

.firma-campo { margin-bottom: 14px; }

/* Toggle mostrar PIN */
.toggle-pin { cursor: pointer; padding: 0 10px; color: var(--nv-soft); font-size: 15px; }
.toggle-pin:hover { color: var(--nv-accent); }

/* Zona de archivo */
.file-drop {
    display: flex; align-items: center; gap: 10px;
    background: var(--nv-input);
    border: 1.5px dashed var(--nv-border);
    border-radius: 9px;
    padding: 12px 14px;
    font-size: 13px; color: var(--nv-soft);
    cursor: pointer;
    transition: border-color .15s, background .15s, color .15s;
}
.file-drop:hover { border-color: var(--nv-accent); background: #f1f6fd; }
.file-drop > i { font-size: 20px; color: var(--nv-accent); flex: 0 0 auto; }
.file-drop.filled {
    border-style: solid;
    border-color: var(--nv-ok-bd);
    background: var(--nv-ok-bg);
    color: var(--nv-ok-tx);
    font-weight: 600;
}
.file-drop.filled > i { color: var(--nv-ok-tx); }

/* Acciones del resultado */
.result-actions {
    display: flex; flex-wrap: wrap; gap: 10px;
    padding: 14px 18px;
    border-top: 1px solid var(--nv-border-lt);
    background: var(--nv-input);
}
.btn-accion {
    display: inline-flex; align-items: center; gap: 7px;
    border: 1px solid var(--nv-border);
    background: var(--nv-card);
    color: var(--nv-text-2);
    border-radius: 8px;
    padding: 8px 14px;
    font-size: 12.5px; font-weight: 600;
    cursor: pointer; font-family: inherit;
    transition: background .15s, border-color .15s;
}
.btn-accion:hover { background: #eef4fb; border-color: var(--nv-accent); }
.btn-accion.primary {
    background: var(--nv-grad); color: #fff; border: none;
}
.btn-accion.primary:hover { filter: brightness(1.08); }

/* Vista previa del XML firmado */
.xml-preview {
    margin: 0; padding: 14px 16px;
    max-height: 320px; overflow: auto;
    background: #0f2438; color: #d6e2f0;
    font-family: ui-monospace, 'SFMono-Regular', Menlo, Consolas, monospace;
    font-size: 11.5px; line-height: 1.5;
    white-space: pre-wrap; word-break: break-word;
}

@media (max-width: 640px) {
    .firma-card { padding: 16px; }
}