/* ============================================================================
   ACEF - mailing.css : apartado Mailing (campañas de email, estilo simple).
   ========================================================================== */

.mailing-banner {
  background: #fff8e6; border: 1px solid #f0d98a; color: #6b551a;
  border-radius: var(--radius); padding: .7rem 1rem; font-size: .85rem; margin-bottom: 1rem; line-height: 1.5;
}

.mailing-tabs { display: flex; flex-wrap: wrap; gap: .4rem; margin-bottom: 1rem; border-bottom: 2px solid var(--border); }
.mailing-tab {
  background: none; border: none; border-bottom: 2px solid transparent; margin-bottom: -2px;
  padding: .55rem .9rem; font-size: .9rem; font-weight: 600; color: var(--text-soft); cursor: pointer;
}
.mailing-tab:hover { color: var(--primary-dark); }
.mailing-tab.active { color: var(--primary-dark); border-bottom-color: var(--accent); }

/* Composición de campaña */
.mailing-compose { align-items: start; }
.ml-field { display: flex; flex-direction: column; gap: .3rem; margin-bottom: .8rem; }
.ml-field > span { font-size: .8rem; font-weight: 600; color: var(--text-soft); }
.ml-row2 { display: grid; grid-template-columns: 1fr 1fr; gap: .7rem; }
@media (max-width: 640px) { .ml-row2 { grid-template-columns: 1fr; } }
.ml-hint { font-size: .82rem; margin: 0 0 .8rem; }
.ml-hint code { background: var(--primary-soft); padding: .05rem .3rem; border-radius: 4px; font-size: .9em; }

.ml-addblocks { display: flex; flex-wrap: wrap; align-items: center; gap: .4rem; margin-top: .7rem; }
.ml-block { border: 1px solid var(--border); border-radius: var(--radius-sm); padding: .6rem .7rem; margin-bottom: .6rem; background: var(--surface); }
.ml-block-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: .45rem; }
.ml-block-type { font-size: .74rem; font-weight: 700; text-transform: uppercase; letter-spacing: .03em; color: var(--accent-dark); }
.ml-block-ctrls { display: flex; gap: .25rem; }
.ml-iconbtn {
  width: 24px; height: 24px; border: 1px solid var(--border); background: var(--surface); border-radius: 6px;
  cursor: pointer; color: var(--text-soft); font-size: .85rem; line-height: 1; display: inline-flex; align-items: center; justify-content: center;
}
.ml-iconbtn:hover:not(:disabled) { border-color: var(--accent); color: var(--primary-dark); }
.ml-iconbtn:disabled { opacity: .35; cursor: not-allowed; }
.ml-iconbtn.ml-del:hover { border-color: var(--danger); color: var(--danger); }

/* Vista previa (iframe) */
.mail-preview-frame { width: 100%; height: 420px; border: 1px solid var(--border); border-radius: var(--radius-sm); background: #eef2f4; }
.mail-preview-frame--tall { height: 520px; }
.ml-preview-meta { font-size: .85rem; display: flex; flex-direction: column; gap: .2rem; margin-bottom: .7rem; }

/* Dropzone de CSV */
.ml-dropzone {
  display: flex; flex-direction: column; align-items: center; gap: .35rem; text-align: center;
  border: 2px dashed var(--border); border-radius: var(--radius); padding: 1.6rem 1rem; cursor: pointer;
  color: var(--text-soft); font-size: .9rem; transition: border-color .15s, background .15s;
}
.ml-dropzone:hover, .ml-dropzone.is-drag { border-color: var(--accent); background: var(--accent-soft); }
.ml-dropzone-ic { font-size: 1.6rem; color: var(--accent-dark); }
.ml-dropzone .muted { font-size: .75rem; }

.ml-loaded { margin: .9rem 0 .6rem; font-size: .9rem; }
.ml-chips { display: flex; flex-wrap: wrap; gap: .35rem; align-items: center; }
.ml-chip { background: var(--primary-soft); border: 1px solid var(--border); border-radius: 999px; padding: .2rem .6rem; font-size: .78rem; color: var(--primary-dark); }

/* Checklist de envío */
.ml-checklist { list-style: none; padding: 0; margin: .3rem 0 .8rem; display: flex; flex-direction: column; gap: .3rem; }
.ml-checklist li { font-size: .88rem; padding-left: 1.5rem; position: relative; color: var(--text); }
.ml-checklist li::before { position: absolute; left: 0; font-weight: 700; }
.ml-checklist li.ok::before { content: '✓'; color: var(--success); }
.ml-checklist li.no::before { content: '○'; color: var(--muted); }
.ml-sendline { font-size: .95rem; margin: .2rem 0 1rem; }

.mailing-empty { text-align: center; padding: 1.5rem 1rem; color: var(--text); }
.mailing-empty .muted { max-width: 460px; margin: .4rem auto 0; font-size: .85rem; line-height: 1.5; }