/* Central de retenção — composição visual isolada. */
#tab-retencao {
  --ret-navy: #0f2645;
  --ret-blue: #1267e5;
  --ret-bg: #f5f9fe;
  --ret-border: #dde7f2;
  --ret-muted: #627491;
  --ret-red: #d52c35;
  --ret-green: #00a65a;
  --ret-orange: #e98711;
  --ret-purple: #7556d8;
  color: var(--ret-navy);
  padding-bottom: 18px;
  background: var(--ret-bg);
}

#tab-retencao > .page-intro { display: none; }
#tab-retencao #retencaoAlunosBoard { width: 100%; min-width: 0; }

#tab-retencao .retencao-panel--hub {
  display: grid;
  gap: 12px;
  width: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
}

#tab-retencao .retencao-hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 18px;
  min-height: 138px;
  padding: 44px 20px 16px;
  overflow: hidden;
  border: 1px solid var(--ret-border);
  border-radius: 18px;
  background:
    linear-gradient(90deg, rgba(245,249,254,.98) 0%, rgba(238,246,254,.94) 58%, rgba(221,235,248,.76) 100%),
    url('../../assets/help-icons/admin-retencao.png') right 7% center / 160px auto no-repeat;
  box-shadow: 0 5px 16px rgba(15, 38, 69, .04);
}

#tab-retencao .retencao-premium-breadcrumb {
  position: absolute;
  top: 13px;
  left: 20px;
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--ret-muted);
  font-size: .76rem;
}

#tab-retencao .retencao-premium-breadcrumb strong { color: var(--ret-navy); }
#tab-retencao .retencao-hero__copy { min-width: 0; }
#tab-retencao .retencao-hero__copy .panel-title-row { justify-content: flex-start; gap: 9px; }
#tab-retencao .retencao-hero__copy h2 {
  position: relative;
  margin: 0;
  padding-left: 15px;
  color: var(--ret-navy);
  font-size: clamp(1.65rem, 2.15vw, 2.25rem);
  line-height: 1.05;
  letter-spacing: -.035em;
}

#tab-retencao .retencao-hero__copy h2::before {
  content: '';
  position: absolute;
  inset: 4px auto 3px 0;
  width: 4px;
  border-radius: 8px;
  background: var(--ret-red);
}

#tab-retencao .retencao-hero__badge {
  padding: 6px 10px;
  border: 0;
  background: #fde7e8;
  color: #bd2029;
  font-size: .7rem;
}

#tab-retencao .retencao-hero__copy > p {
  max-width: 760px;
  margin: 6px 0 0 15px;
  color: var(--ret-muted);
  font-size: .86rem;
}

#tab-retencao .retencao-hero__actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  max-width: 690px;
}

#tab-retencao .retencao-hero__actions button,
#tab-retencao .retencao-clear-filters,
#tab-retencao .retencao-empty__actions button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 38px;
  padding: 8px 12px;
  border: 1px solid #cdddf0;
  border-radius: 10px;
  background: rgba(255,255,255,.92);
  color: var(--ret-navy);
  font: inherit;
  font-size: .76rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 3px 10px rgba(15,38,69,.04);
}

#tab-retencao .retencao-hero__actions svg,
#tab-retencao .retencao-filter-card__head svg { width: 18px; height: 18px; color: var(--ret-blue); }

#tab-retencao .retencao-pipeline-tabs {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  padding: 0;
  border: 0;
  background: transparent;
}

#tab-retencao .retencao-pipeline-tab {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  min-height: 82px;
  height: 100%;
  padding: 12px 13px;
  border: 1px solid var(--ret-border);
  border-radius: 14px;
  background: #fff;
  color: var(--ret-navy);
  text-align: left;
  box-shadow: 0 3px 12px rgba(15,38,69,.035);
}

#tab-retencao button.retencao-pipeline-tab { cursor: pointer; }
#tab-retencao .retencao-pipeline-tab--priority { background: #fffafa; border-color: #f1dfe0; }
#tab-retencao .retencao-pipeline-tab--sent { background: #f9fcff; border-color: #d8e6f6; }
#tab-retencao .retencao-pipeline-tab--tracking { background: #fffcf7; border-color: #f0e3cc; }
#tab-retencao .retencao-pipeline-tab--resolved { background: #f8fcfa; border-color: #d8eadf; }
#tab-retencao .retencao-pipeline-tab.is-active { box-shadow: 0 7px 19px rgba(15,38,69,.08); transform: none; }
#tab-retencao .retencao-pipeline-tab--priority.is-active { border-color: #e8aeb2; background: #fff5f5; box-shadow: 0 7px 19px rgba(213,44,53,.09); }
#tab-retencao .retencao-pipeline-tab--sent.is-active { border-color: #9fc5f3; background: #f2f8ff; box-shadow: 0 7px 19px rgba(18,103,229,.09); }
#tab-retencao .retencao-pipeline-tab--tracking.is-active { border-color: #e9c98f; background: #fff8ed; box-shadow: 0 7px 19px rgba(233,135,17,.09); }
#tab-retencao .retencao-pipeline-tab--resolved.is-active { border-color: #9fd6ba; background: #f1fbf6; box-shadow: 0 7px 19px rgba(0,166,90,.08); }

#tab-retencao .retencao-pipeline-tab__icon {
  display: grid;
  width: 46px;
  height: 46px;
  place-items: center;
  border-radius: 12px;
  background: #eaf3ff;
  color: var(--ret-blue);
}

#tab-retencao .retencao-pipeline-tab--priority .retencao-pipeline-tab__icon { background: #ffe7e6; color: var(--ret-red); }
#tab-retencao .retencao-pipeline-tab--tracking .retencao-pipeline-tab__icon { background: #fff0d8; color: var(--ret-orange); }
#tab-retencao .retencao-pipeline-tab--resolved .retencao-pipeline-tab__icon { background: #dff6e9; color: #008d4d; }
#tab-retencao .retencao-pipeline-tab__icon svg { width: 24px; height: 24px; }
#tab-retencao .retencao-pipeline-tab__copy { display: grid; gap: 4px; min-width: 0; }
#tab-retencao .retencao-pipeline-tab__copy > span { font-size: .86rem; font-weight: 750; }
#tab-retencao .retencao-pipeline-tab__copy small { color: var(--ret-muted); font-size: .72rem; }
#tab-retencao .retencao-pipeline-tab > strong { font-size: 1.55rem; color: var(--ret-navy); }

#tab-retencao .retencao-premium-main-grid,
#tab-retencao .retencao-premium-lower-grid {
  display: grid;
  grid-template-columns: minmax(0, 2.05fr) minmax(310px, 1fr);
  gap: 12px;
  align-items: stretch;
}

#tab-retencao .retencao-quick-contact,
#tab-retencao .retencao-suggestions,
#tab-retencao .retencao-filter-card,
#tab-retencao .retencao-premium-results,
#tab-retencao .retencao-history-card {
  min-width: 0;
  border: 1px solid var(--ret-border);
  border-radius: 14px;
  background: rgba(255,255,255,.96);
  box-shadow: 0 3px 14px rgba(15,38,69,.035);
}

#tab-retencao .retencao-quick-contact { padding: 15px 18px; }
#tab-retencao .retencao-quick-contact .panel-title-row { align-items: flex-start; gap: 14px; }
#tab-retencao .retencao-quick-contact h3 { color: var(--ret-navy); font-size: 1.06rem; }
#tab-retencao .retencao-quick-contact__title-icon { width: 32px; height: 32px; border-radius: 9px; }
#tab-retencao .retencao-quick-contact__badge { background: #e5f7ed; color: #008c4c; border: 0; }
#tab-retencao .retencao-quick-contact__note { margin-top: 2px; color: var(--ret-muted); font-size: .76rem; }

#tab-retencao .retencao-quick-contact-grid {
  display: grid;
  grid-template-columns: minmax(230px, .9fr) minmax(320px, 1.1fr);
  gap: 14px;
  margin-top: 9px;
}

#tab-retencao .retencao-field { position: relative; gap: 5px; color: var(--ret-navy); font-size: .76rem; font-weight: 700; }
#tab-retencao .retencao-field select,
#tab-retencao .retencao-field textarea,
#tab-retencao .retencao-toolbar select {
  width: 100%;
  border: 1px solid #d5e0ed;
  border-radius: 9px;
  background-color: #fff;
  color: var(--ret-navy);
  font: inherit;
  font-size: .8rem;
}
#tab-retencao .retencao-field select { min-height: 40px; padding: 8px 12px; }
#tab-retencao .retencao-field textarea { min-height: 72px; max-height: 112px; padding: 9px 12px 22px; resize: vertical; }
#tab-retencao .retencao-message-count { position: absolute; right: 10px; bottom: 7px; color: #8090a8; font-size: .65rem; font-weight: 500; }
#tab-retencao .retencao-contact-student-meta--card { min-height: 24px; padding: 4px 2px 0; border: 0; background: transparent; color: var(--ret-muted); font-size: .7rem; }
#tab-retencao .retencao-contact-student-meta--card > span:not(:first-child),
#tab-retencao .retencao-contact-student-meta__head + span ~ span { display: none; }

#tab-retencao .retencao-message-models { display: grid; gap: 6px; margin-top: 8px; }
#tab-retencao .retencao-message-models > strong { font-size: .78rem; }
#tab-retencao .retencao-message-models > div { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; }
#tab-retencao .retencao-message-models button {
  display: flex;
  align-items: center;
  gap: 9px;
  min-width: 0;
  min-height: 48px;
  height: 100%;
  padding: 6px 8px;
  border: 1px solid var(--ret-border);
  border-radius: 9px;
  background: #fff;
  color: var(--ret-navy);
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: border-color .16s ease, background-color .16s ease, transform .16s ease;
}
#tab-retencao .retencao-message-models button:hover { border-color: #c6d8ec; background: #f8fbff; transform: translateY(-1px); }
#tab-retencao .retencao-message-models button > span:first-child { display: grid; width: 30px; height: 30px; flex: 0 0 30px; place-items: center; border-radius: 8px; font-weight: 800; }
#tab-retencao .retencao-message-models button > span:last-child { display: grid; min-width: 0; font-size: .69rem; font-weight: 700; }
#tab-retencao .retencao-message-models small { margin-top: 2px; color: var(--ret-muted); font-size: .62rem; font-weight: 500; }
#tab-retencao .retencao-message-models svg { width: 16px; height: 16px; }
#tab-retencao .is-blue { background: #e5f1ff; color: var(--ret-blue); }
#tab-retencao .is-red { background: #ffe9e9; color: var(--ret-red); }
#tab-retencao .is-orange { background: #fff0db; color: var(--ret-orange); }
#tab-retencao .is-green { background: #e1f7ea; color: var(--ret-green); }
#tab-retencao .is-purple { background: #eee9ff; color: var(--ret-purple); }

#tab-retencao .retencao-quick-contact-actions { display: flex; align-items: stretch; gap: 8px; margin-top: 7px; }
#tab-retencao .retencao-contact-feedback { display: flex; align-items: center; flex: 1; min-height: 38px; margin: 0; padding: 8px 11px; border: 1px solid #d3eadd; border-radius: 9px; background: #f1faf6; color: #397d66; font-size: .71rem; }
#tab-retencao .retencao-contact-send-btn { min-width: 164px; min-height: 38px; border-radius: 9px; }

#tab-retencao .retencao-suggestions { padding: 16px; }
#tab-retencao .retencao-section-heading { display: flex; align-items: flex-start; gap: 10px; }
#tab-retencao .retencao-section-heading__icon { display: grid; width: 26px; height: 26px; place-items: center; color: var(--ret-blue); }
#tab-retencao .retencao-section-heading__icon svg { width: 22px; height: 22px; }
#tab-retencao .retencao-section-heading h3 { margin: 0; color: var(--ret-navy); font-size: 1rem; }
#tab-retencao .retencao-section-heading p { margin: 3px 0 0; color: var(--ret-muted); font-size: .71rem; line-height: 1.3; }
#tab-retencao .retencao-suggestions__list { display: grid; gap: 7px; margin-top: 11px; }
#tab-retencao .retencao-suggestions__list button {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  min-height: 52px;
  height: 100%;
  padding: 7px 10px;
  border: 1px solid var(--ret-border);
  border-radius: 9px;
  background: #fbfdff;
  color: var(--ret-navy);
  font: inherit;
  text-align: left;
  cursor: pointer;
}
#tab-retencao .retencao-suggestions__list button > span:first-child { display: grid; width: 36px; height: 36px; place-items: center; border-radius: 9px; }
#tab-retencao .retencao-suggestions__list svg { width: 18px; height: 18px; }
#tab-retencao .retencao-suggestions__list button > span:nth-child(2) { display: grid; gap: 2px; }
#tab-retencao .retencao-suggestions__list strong { font-size: .76rem; }
#tab-retencao .retencao-suggestions__list small { color: var(--ret-muted); font-size: .67rem; }
#tab-retencao .retencao-suggestions__list b { color: #71819a; font-size: 1.25rem; font-weight: 400; }

#tab-retencao .retencao-filter-card { padding: 9px 16px 12px; }
#tab-retencao .retencao-filter-card__head { display: flex; align-items: center; min-height: 32px; gap: 8px; padding: 0; border: 0; }
#tab-retencao .retencao-filter-card__head strong { display: inline-flex; align-items: center; gap: 8px; color: var(--ret-navy); }
#tab-retencao .retencao-filter-card__head > .muted { display: none; }
#tab-retencao .retencao-clear-filters { min-height: 34px; margin-left: auto; padding: 6px 11px; color: var(--ret-blue); box-shadow: none; }
#tab-retencao .retencao-toolbar { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin-top: 5px; }
#tab-retencao .retencao-toolbar label { display: grid; gap: 5px; color: var(--ret-navy); font-size: .71rem; font-weight: 700; }
#tab-retencao .retencao-toolbar select { min-height: 38px; padding: 7px 10px; }

#tab-retencao .retencao-premium-results { padding: 16px; }
#tab-retencao .retencao-results-head { margin-bottom: 12px; }
#tab-retencao .retencao-results-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
#tab-retencao .retencao-student-card { border-color: var(--ret-border); border-radius: 12px; box-shadow: none; }
#tab-retencao .retencao-empty { display: grid; min-height: 175px; place-content: center; justify-items: center; padding: 24px; text-align: center; }
#tab-retencao .retencao-empty strong { color: var(--ret-navy); font-size: 1.05rem; }
#tab-retencao .retencao-empty p { max-width: 610px; margin: 7px auto 0; color: var(--ret-muted); font-size: .78rem; }
#tab-retencao .retencao-empty__actions { display: flex; gap: 10px; margin-top: 16px; }
#tab-retencao .retencao-empty__actions button:first-child { border-color: var(--ret-blue); background: var(--ret-blue); color: #fff; }
#tab-retencao .retencao-empty__actions--quick button:first-child { background: #fff; color: var(--ret-blue); }

#tab-retencao .retencao-history-card { padding: 14px 16px; }
#tab-retencao .retencao-history-card__empty { display: grid; min-height: 132px; place-content: center; justify-items: center; margin-top: 10px; border: 1px solid var(--ret-border); border-radius: 10px; text-align: center; }
#tab-retencao .retencao-history-card__empty > svg { width: 24px; height: 24px; margin-bottom: 7px; color: #7c8da5; }
#tab-retencao .retencao-history-card__empty strong { font-size: .78rem; }
#tab-retencao .retencao-history-card__empty p { max-width: 270px; margin: 5px 0 0; color: var(--ret-muted); font-size: .68rem; }

@media (max-width: 1280px) {
  #tab-retencao .retencao-hero { grid-template-columns: 1fr; align-items: end; }
  #tab-retencao .retencao-hero__actions { justify-content: flex-start; }
  #tab-retencao .retencao-pipeline-tab { grid-template-columns: 40px minmax(0, 1fr) auto; padding: 12px; }
  #tab-retencao .retencao-pipeline-tab__icon { width: 40px; height: 40px; }
  #tab-retencao .retencao-message-models > div { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 1024px) {
  #tab-retencao .retencao-pipeline-tabs { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  #tab-retencao .retencao-premium-main-grid,
  #tab-retencao .retencao-premium-lower-grid { grid-template-columns: 1fr; }
  #tab-retencao .retencao-toolbar { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 768px) {
  #tab-retencao .retencao-panel--hub { gap: 10px; }
  #tab-retencao .retencao-hero { min-height: 0; padding: 54px 16px 16px; }
  #tab-retencao .retencao-premium-breadcrumb { left: 16px; }
  #tab-retencao .retencao-hero__copy .panel-title-row { align-items: flex-start; }
  #tab-retencao .retencao-hero__actions { display: grid; grid-template-columns: 1fr; }
  #tab-retencao .retencao-hero__actions button { width: 100%; }
  #tab-retencao .retencao-quick-contact-grid,
  #tab-retencao .retencao-toolbar,
  #tab-retencao .retencao-results-grid { grid-template-columns: 1fr; }
  #tab-retencao .retencao-filter-card__head { cursor: pointer; }
}

@media (max-width: 560px) {
  #tab-retencao .retencao-pipeline-tabs { grid-template-columns: 1fr; }
  #tab-retencao .retencao-message-models > div { grid-template-columns: 1fr; }
  #tab-retencao .retencao-quick-contact,
  #tab-retencao .retencao-suggestions,
  #tab-retencao .retencao-filter-card,
  #tab-retencao .retencao-premium-results,
  #tab-retencao .retencao-history-card { padding: 14px; }
  #tab-retencao .retencao-quick-contact-actions,
  #tab-retencao .retencao-empty__actions { flex-direction: column; align-items: stretch; }
  #tab-retencao .retencao-contact-send-btn { width: 100%; }
}