:root {
  --bg: #ffffff;
  --text: #1f2937;
  --muted: #6b7280;
  --line: #e5e7eb;
  --primary: #b91c1c;
  --primary-dark: #991b1b;
  --primary-soft: #fef2f2;
  --wa: #25d366;
  --wa-dark: #1da851;
  --phone: #1d4ed8;
  --phone-soft: #eff6ff;
  --mail: #7c3aed;
  --mail-soft: #f5f3ff;
  --ok: #166534;
  --radius: 10px;
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.4;
  -webkit-font-smoothing: antialiased;
}

.page {
  width: min(960px, 100%);
  margin: 0 auto;
  padding: 8px 10px 14px;
}

.hero {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 8px;
}

.hero-icon {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  background: var(--primary-soft);
  color: var(--primary);
  border-radius: 8px;
}

.hero-text {
  min-width: 0;
}

.hero h1 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.25;
  color: #111827;
}

.hero p {
  margin: 4px 0 0;
  font-size: 0.8125rem;
  color: var(--muted);
  line-height: 1.35;
}

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 8px;
}

.tab {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--muted);
  border-radius: 999px;
  padding: 5px 10px;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
}

.tab svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

.tab:hover {
  border-color: #fca5a5;
  color: var(--primary);
}

.tab.is-active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.tab.is-active svg {
  stroke: #fff;
}

.section-block.is-hidden {
  display: none;
}

.section-label {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 0 0 6px;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.section-label svg {
  width: 14px;
  height: 14px;
  color: var(--primary);
}

.channel-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  align-items: stretch;
}

.channel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  padding: 10px 8px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  height: 100%;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.channel:hover {
  border-color: #d1d5db;
}

.channel.is-highlight {
  border-color: #bbf7d0;
  box-shadow: 0 2px 8px rgba(37, 211, 102, 0.08);
}

.channel.is-highlight-cobranzas {
  border-color: #fde68a;
  box-shadow: 0 2px 8px rgba(245, 158, 11, 0.1);
}

.channel-icon--wa-cob {
  background: #fffbeb;
  color: #128c7e;
}

.channel-top {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  text-align: center;
  flex: 1;
}

.channel-icon {
  flex-shrink: 0;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  display: grid;
  place-items: center;
}

.channel-icon svg {
  width: 18px;
  height: 18px;
}

.channel-icon--wa {
  background: #ecfdf5;
  color: var(--wa-dark);
}

.channel-icon--phone {
  background: var(--phone-soft);
  color: var(--phone);
}

.channel-icon--mail {
  background: var(--mail-soft);
  color: var(--mail);
}

.channel-info {
  flex: 1;
  min-width: 0;
}

.channel-name {
  margin: 0;
  font-size: 0.8125rem;
  font-weight: 700;
  color: #111827;
}

.channel-hint {
  margin: 2px 0 0;
  font-size: 0.6875rem;
  color: var(--muted);
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.channel-number {
  margin: 4px 0 0;
  font-size: 0.75rem;
  font-weight: 700;
  color: #111827;
  word-break: break-word;
  line-height: 1.3;
}

.channel-actions {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 5px;
  margin-top: auto;
}

.channel-actions .btn-action {
  width: 100%;
  justify-content: center;
}

.btn-action {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 6px 10px;
  border-radius: 8px;
  font-size: 0.6875rem;
  font-weight: 700;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.15s, transform 0.1s;
}

.btn-action svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

.btn-action:active {
  transform: scale(0.97);
}

.btn-wa {
  background: var(--wa);
  color: #fff;
}

.btn-wa:hover {
  background: var(--wa-dark);
}

.btn-wa--cob {
  background: #128c7e;
}

.btn-wa--cob:hover {
  background: #0f7668;
}

.btn-phone {
  background: var(--phone);
  color: #fff;
}

.btn-phone:hover {
  background: #1e40af;
}

.btn-mail {
  background: var(--mail);
  color: #fff;
}

.btn-mail:hover {
  background: #6d28d9;
}

.btn-copy {
  background: #fff;
  color: var(--muted);
  border-color: var(--line);
}

.btn-copy:hover {
  border-color: #fca5a5;
  color: var(--primary);
}

.btn-copy.is-copied {
  border-color: #86efac;
  color: var(--ok);
  background: #ecfdf5;
}

.help-list {
  display: grid;
  gap: 6px;
}

.help-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  overflow: hidden;
  transition: border-color 0.15s;
}

.help-item:hover {
  border-color: #d1d5db;
}

.help-item[open] {
  border-color: #fecaca;
}

.help-item > summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: #111827;
}

.help-item > summary::-webkit-details-marker {
  display: none;
}

.help-chevron {
  width: 16px;
  height: 16px;
  color: var(--muted);
  flex-shrink: 0;
  transition: transform 0.2s;
}

.help-item[open] .help-chevron {
  transform: rotate(90deg);
  color: var(--primary);
}

.help-icon {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background: var(--primary-soft);
  color: var(--primary);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.help-icon svg {
  width: 14px;
  height: 14px;
}

.help-body {
  padding: 0 10px 10px 46px;
  font-size: 0.8125rem;
  color: #374151;
  line-height: 1.45;
}

.help-body p {
  margin: 0;
  font-size: inherit;
}

.section-block + .section-block {
  margin-top: 20px;
  padding-top: 4px;
}

.section-block[data-tab="ayuda"] .section-label {
  margin-top: 4px;
}

.tip-banner {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-top: 10px;
  margin-bottom: 0;
  padding: 8px 10px;
  border-radius: var(--radius);
  background: var(--primary-soft);
  border: 1px solid #fecaca;
  font-size: 0.75rem;
  color: #7f1d1d;
  line-height: 1.4;
}

.tip-banner svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  margin-top: 1px;
  color: var(--primary);
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 12px;
  transform: translateX(-50%) translateY(80px);
  opacity: 0;
  background: #111827;
  color: #fff;
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 0.75rem;
  font-weight: 600;
  pointer-events: none;
  transition: transform 0.25s, opacity 0.25s;
  z-index: 100;
  white-space: nowrap;
}

.toast.is-visible {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

@media (max-width: 720px) {
  .channel-list {
    grid-template-columns: 1fr;
  }

  .channel-top {
    flex-direction: row;
    align-items: flex-start;
    text-align: left;
  }

  .channel-hint {
    -webkit-line-clamp: unset;
    display: block;
  }
}

@media (max-height: 700px) {
  .page {
    padding: 6px 8px 10px;
  }

  .channel {
    padding: 8px;
  }

  .help-item > summary {
    padding: 6px 8px;
  }

  .help-body {
    padding: 0 8px 8px 42px;
  }
}