/* Геометрия ленты канала и сопутствующих экранов. */
.channel-feed { gap: 0; min-width: 0; }
.channels-screen .channel-unread-line { display: flex; align-items: center; justify-content: center; padding: 8px 0; border: 0; border-radius: 0; background: transparent; color: var(--accent); font-size: .75rem; }
.channel-head-meta, .channel-note { color: var(--text-secondary); font-size: .8125rem; line-height: 1.5; }
.channel-message-target-preview { display: grid; gap: 4px; padding: 12px; border-left: 2px solid var(--accent); background: var(--surface); font-size: .8125rem; overflow-wrap: anywhere; }
.channels-screen .channel-message-card.is-focus-flash { background: var(--surface-selected); }
.channel-system-event-card { padding: 8px; margin: 8px auto; width: fit-content; max-width: 100%; color: var(--text-secondary); font-size: .75rem; text-align: center; }
.channel-meta-details-grid { display: grid; grid-template-columns: auto minmax(0,1fr); gap: 8px; overflow-wrap: anywhere; }
.channel-profile-avatar { width: 96px; height: 96px; border-radius: 50%; overflow: hidden; }
.channel-profile-avatar img { width: 100%; height: 100%; object-fit: cover; }
.channel-profile-modal-head { display: flex; gap: 12px; align-items: center; }
.channel-main-action { min-height: 44px; border-radius: 12px; padding: 10px 16px; color: var(--on-accent); background: var(--accent); }
.channel-back-btn { min-height: 44px; color: var(--accent); }
.entrypoint-history-list { display: grid; gap: 8px; max-height: 58vh; overflow: auto; }
.entrypoint-history-item { display: grid; gap: 8px; text-align: left; padding: 12px; border-radius: 12px; background: var(--surface); color: var(--text-primary); }
.entrypoint-history-item p { white-space: pre-wrap; overflow-wrap: anywhere; }
.entrypoint-history-item span { font-size: .75rem; color: var(--text-secondary); }
.channels-screen--channel-about {
  padding-bottom: calc(24px + env(safe-area-inset-bottom));
}

.channel-about-card { padding: 0; border: 0; border-radius: 0; background: transparent; }
.channel-about-content { gap: 16px; }

.channel-about-hero { display: grid; justify-items: center; gap: 4px; padding: 8px 16px 0; text-align: center; }
.channel-about-avatar-slot { margin-bottom: 8px; }
.channel-about-avatar.avatar { width: 88px; height: 88px; min-width: 88px; min-height: 88px; font-size: 32px; }
.channel-about-title { margin: 0; color: var(--text-primary); font-size: 1.375rem; line-height: 1.75rem; font-weight: 600; overflow-wrap: anywhere; }
.channel-about-subline { color: var(--text-secondary); font-size: .875rem; line-height: 1.25rem; overflow-wrap: anywhere; }

.channel-about-tiles { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(0, 1fr); gap: 8px; }
.channel-about-tile {
  min-height: 64px;
  padding: 10px 4px 8px;
  display: grid;
  justify-items: center;
  align-content: center;
  gap: 4px;
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  color: var(--accent);
  background: var(--surface);
  font: inherit;
  font-size: .75rem;
  line-height: 1rem;
  cursor: pointer;
  transition: background-color 160ms ease;
}
.channel-about-tile svg { width: 22px; height: 22px; }
.channel-about-tile span { color: var(--text-primary); }
.channel-about-tile:hover, .channel-about-tile:active { background: var(--surface-selected); }
.channel-about-tile.is-active { background: var(--surface-selected); }
.channel-about-tile:focus-visible { outline: 2px solid var(--focus-ring); outline-offset: 2px; }
.channel-about-tile:disabled { opacity: .6; cursor: wait; }

.channel-about-list { display: grid; border: 1px solid var(--border-subtle); border-radius: 14px; background: var(--surface); overflow: hidden; }
.channel-about-row {
  width: 100%;
  min-height: 56px;
  padding: 10px 14px;
  display: flex;
  align-items: center;
  gap: 12px;
  border: 0;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-primary);
  background: transparent;
  font: inherit;
  text-align: left;
  cursor: pointer;
}
.channel-about-row--static { display: grid; gap: 4px; cursor: default; }
.channel-about-row:not(.channel-about-row--static):hover { background: var(--surface-selected); }
.channel-about-row:focus-visible { outline: 2px solid var(--focus-ring); outline-offset: -2px; }
.channel-about-row-main { display: grid; gap: 2px; min-width: 0; flex: 1; }
.channel-about-row-main strong { font-size: .9375rem; line-height: 1.375rem; font-weight: 600; overflow-wrap: anywhere; }
.channel-about-row-label { color: var(--text-secondary); font-size: .75rem; line-height: 1.125rem; }
.channel-about-row-chevron { color: var(--text-secondary); display: inline-flex; }
.channel-about-row-chevron svg { width: 18px; height: 18px; }
.channel-about-owner-avatar .avatar { width: 40px; height: 40px; min-width: 40px; min-height: 40px; font-size: 16px; }
.channel-about-description { margin: 0; font-size: .9375rem; line-height: 1.375rem; white-space: pre-wrap; overflow-wrap: anywhere; }
.channel-about-link { color: var(--accent); font-size: .875rem; line-height: 1.25rem; overflow-wrap: anywhere; }
.channel-about-technical { padding: 10px 14px; color: var(--text-secondary); font-size: .75rem; line-height: 1.125rem; overflow-wrap: anywhere; }

/* ===== Channel unsubscribe confirmation ===== */
#channel-unsubscribe-confirm-modal {
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

#channel-unsubscribe-confirm-modal .channel-unsubscribe-confirm-card {
  width: min(100%, 390px);
  gap: 14px;
  padding: 20px;
}

.channel-unsubscribe-confirm-card .modal-title {
  margin: 0;
}

.channel-unsubscribe-confirm-text {
  margin: 0;
  line-height: 1.5;
}

.channel-unsubscribe-confirm-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.channel-unsubscribe-confirm-actions button {
  min-height: 44px;
}

.channel-unsubscribe-confirm-yes {
  border: 1px solid var(--border-subtle);
  background: var(--surface);
  color: var(--text-primary);
}

.channel-unsubscribe-confirm-yes:hover,
.channel-unsubscribe-confirm-yes:focus-visible {
  background: var(--surface);
}

/* ===== Channel support transfer ===== */
#channel-support-modal {
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

#channel-support-modal .channel-support-modal-card {
  width: min(100%, 430px);
  max-height: min(88vh, 720px);
  overflow-y: auto;
  gap: 9px;
  padding: 20px;
}

.channel-support-modal-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: start;
  margin-bottom: 4px;
}

.channel-support-modal-head .modal-title {
  margin: 0 0 3px;
}

.channel-support-subtitle {
  margin: 0;
  overflow-wrap: anywhere;
}

.channel-support-close {
  width: 38px;
  min-width: 38px;
  height: 38px;
  min-height: 38px;
  padding: 0;
  display: inline-grid;
  place-items: center;
  font-size: 24px;
  line-height: 1;
}

.channel-support-address {
  min-height: 36px;
  padding: 8px 10px;
  border-radius: 10px;
  background: var(--surface);
  color: var(--text-secondary);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 11px;
  line-height: 1.45;
  overflow-wrap: anywhere;
  word-break: break-all;
}

.channel-support-balance-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  min-height: 44px;
}

.channel-support-balance-row strong {
  color: var(--text-primary);
  text-align: right;
}

.channel-support-refresh {
  min-height: 36px;
  padding-block: 6px;
}

.channel-support-amount-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
}

.channel-support-amount-row span {
  color: var(--text-primary);
  font-weight: 700;
}

.channel-support-status {
  min-height: 18px;
  margin: 2px 0 0;
  color: var(--text-secondary);
}

.channel-support-status.is-error {
  color: var(--danger);
}

.channel-support-result {
  display: grid;
  gap: 5px;
  padding: 10px 12px;
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  background: var(--surface);
}

.channel-support-result[hidden] {
  display: none;
}

.channel-support-result strong {
  color: var(--text-primary);
}

.channel-support-result span,
.channel-support-result code {
  color: var(--text-secondary);
  font-size: 12px;
  overflow-wrap: anywhere;
  word-break: break-all;
}

.channel-support-submit {
  min-height: 48px;
  margin-top: 4px;
}

@media (max-width: 420px) {
  .channel-support-balance-row {
    grid-template-columns: 1fr auto;
  }

  .channel-support-balance-row .meta-muted {
    grid-column: 1 / -1;
  }
}

/* ===== Channel donation view ===== */
.channels-screen--channel-donate {
  padding-bottom: calc(24px + env(safe-area-inset-bottom));
}

.channel-donate-card {
  width: min(100%, 680px);
  margin-inline: auto;
  padding: 0;
  overflow: hidden;
}

.channel-donate-content {
  gap: 0;
}

.channel-donate-hero {
  display: grid;
  justify-items: center;
  gap: 5px;
  padding: 28px 20px 24px;
  text-align: center;
}

.channel-donate-hero h2 {
  margin: 0 0 4px;
  color: var(--text-primary);
  font-size: 1.5rem;
  line-height: 1.875rem;
  font-weight: 600;
}

.channel-donate-hero strong {
  color: var(--text-primary);
  font-size: 17px;
  overflow-wrap: anywhere;
}

.channel-donate-hero span {
  color: var(--text-secondary);
  font-size: 13px;
  line-height: 1.4;
  overflow-wrap: anywhere;
}

.channel-donate-section {
  display: grid;
  gap: 9px;
  padding: 18px 20px;
  border-top: 1px solid var(--border-subtle);
}

.channel-donate-address {
  min-height: 38px;
  padding: 9px 10px;
  border-radius: 10px;
  background: var(--surface);
  color: var(--text-secondary);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 11px;
  line-height: 1.45;
  overflow-wrap: anywhere;
  word-break: break-all;
}

.channel-donate-balance-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  min-height: 44px;
  margin-top: 3px;
}

.channel-donate-balance-row strong {
  color: var(--text-primary);
  text-align: right;
}

.channel-donate-refresh {
  min-height: 36px;
  padding-block: 6px;
}

.channel-donate-amount-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
}

.channel-donate-amount-row span {
  color: var(--text-primary);
  font-weight: 700;
}

.channel-donate-status {
  min-height: 18px;
  margin: 14px 20px 0;
  color: var(--text-secondary);
}

.channel-donate-status.is-error {
  color: var(--danger);
}

.channel-donate-result {
  display: grid;
  gap: 6px;
  margin: 12px 20px 0;
  padding: 12px 14px;
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  background: var(--surface);
}

.channel-donate-result[hidden] {
  display: none;
}

.channel-donate-result strong {
  color: var(--text-primary);
}

.channel-donate-result span,
.channel-donate-result code {
  color: var(--text-secondary);
  font-size: 12px;
  overflow-wrap: anywhere;
  word-break: break-all;
}

.channel-donate-submit {
  min-height: 50px;
  margin: 16px 20px 22px;
}

@media (max-width: 420px) {
  .channel-donate-section {
    padding-inline: 16px;
  }

  .channel-donate-status,
  .channel-donate-result,
  .channel-donate-submit {
    margin-inline: 16px;
  }

  .channel-donate-balance-row {
    grid-template-columns: 1fr auto;
  }

  .channel-donate-balance-row .meta-muted {
    grid-column: 1 / -1;
  }
}