/* Release gate: canonical cache/offline contract validated for v10.64.18. */
/* Release gate: v10.64.18 responsive runtime validated after canonical index linkage. */
/* Retention contract candidate v10.64.18: icon-free metrics on web and mobile. */
/* Responsive polish — v10.64.18
   Shared by web/PWA and Android. Mobile-first refinements requested after
   physical-device validation; desktop behavior is preserved unless noted. */

/* Flashcards: never split short action labels inside the Anki folder rows. */
#flashcardsWorkspace .anki-folder-header,
#flashcardsWorkspace .anki-folder-title,
#flashcardsWorkspace .anki-folder-actions {
  min-width: 0 !important;
}

#flashcardsWorkspace .anki-folder-actions .btn,
#flashcardsWorkspace .anki-folder-actions > span:last-child {
  white-space: nowrap !important;
  word-break: keep-all !important;
  overflow-wrap: normal !important;
  hyphens: none !important;
}

/* Retention: action controls share the same optical center on web and mobile. */
#retentionDiagnosticPanel .retention-study-now-v1072,
#retentionDiagnosticPanel .retention-export-btn {
  width: min(100%, 360px) !important;
  margin-inline: auto !important;
  justify-content: center !important;
  text-align: center !important;
}

#retentionDiagnosticPanel .retention-diagnostic-tools {
  width: 100% !important;
  display: flex !important;
  justify-content: center !important;
}

/* Retention metrics — v10.64.18 visual contract.
   Decorative icons are intentionally removed on every viewport. Titles become
   the primary visual anchor and values receive the freed vertical space.
   The zero-geometry fallback protects the contract even if a browser keeps a
   stale display value during an asynchronous panel refresh. */
.rd-metric-icon-v1077,
#retentionDiagnosticPanel .rd-metric-icon-v1077 {
  display: none !important;
  visibility: hidden !important;
  width: 0 !important;
  min-width: 0 !important;
  max-width: 0 !important;
  height: 0 !important;
  min-height: 0 !important;
  max-height: 0 !important;
  margin: 0 !important;
  padding: 0 !important;
  border: 0 !important;
  overflow: hidden !important;
  pointer-events: none !important;
}

#retentionDiagnosticPanel .rd-metric-card-v1077 {
  grid-template-rows: minmax(36px, auto) minmax(54px, 1fr) 5px !important;
  row-gap: 8px !important;
  align-items: center !important;
  padding: 18px 16px 13px !important;
}

#retentionDiagnosticPanel .rd-metric-label-v1077 {
  grid-row: 1 !important;
  align-self: center !important;
  justify-self: stretch !important;
  text-align: center !important;
  font-size: clamp(.94rem, 1.35vw, 1.08rem) !important;
  font-weight: 850 !important;
  line-height: 1.18 !important;
  letter-spacing: .01em !important;
}

#retentionDiagnosticPanel .rd-metric-card-v1077 > strong {
  grid-row: 2 !important;
  align-self: center !important;
  justify-self: stretch !important;
  margin: 0 !important;
  line-height: 1 !important;
}

#retentionDiagnosticPanel .rd-metric-progress-v1077 {
  grid-row: 3 !important;
  align-self: end !important;
  margin: 0 !important;
}

@media (max-width: 700px) {
  /* Calendar: Hoje + Mês/Ano occupy one balanced row; month/year never stack. */
  #calendarWorkspace .calendar-shell-nav {
    display: grid !important;
    grid-template-columns: 72px minmax(0, 1fr) !important;
    align-items: center !important;
    gap: 10px !important;
    width: 100% !important;
    min-width: 0 !important;
  }

  #calendarWorkspace .calendar-shell-nav > .btn {
    width: 72px !important;
    min-width: 72px !important;
    padding-inline: 6px !important;
    font-size: .72rem !important;
    justify-content: center !important;
  }

  #calendarWorkspace .calendar-month-selectors {
    display: grid !important;
    grid-template-columns: auto minmax(0, 1.12fr) minmax(0, .88fr) !important;
    align-items: center !important;
    gap: 7px !important;
    width: 100% !important;
    min-width: 0 !important;
  }

  #calendarWorkspace .calendar-month-selectors label {
    width: auto !important;
    min-width: max-content !important;
    margin: 0 !important;
    font-size: .68rem !important;
    line-height: 1 !important;
    white-space: nowrap !important;
  }

  #calendarWorkspace .calendar-month-selectors select {
    width: 100% !important;
    min-width: 0 !important;
    max-width: none !important;
    min-height: 42px !important;
    padding: 7px 24px 7px 8px !important;
    font-size: clamp(.76rem, 3.35vw, .88rem) !important;
    line-height: 1.1 !important;
  }

  /* Flashcard subject rows: use the available width before reducing typography. */
  #flashcardsWorkspace .anki-folder-header {
    display: grid !important;
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 1.92fr) !important;
    align-items: center !important;
    gap: 8px !important;
  }

  #flashcardsWorkspace .anki-folder-title > span:first-child {
    font-size: clamp(.80rem, 3.25vw, .94rem) !important;
    line-height: 1.12 !important;
    overflow-wrap: normal !important;
    word-break: normal !important;
    hyphens: none !important;
  }

  #flashcardsWorkspace .anki-folder-actions {
    display: grid !important;
    grid-template-columns: minmax(58px, .88fr) minmax(70px, 1.05fr) max-content !important;
    align-items: center !important;
    gap: 5px !important;
    width: 100% !important;
    min-width: 0 !important;
  }

  #flashcardsWorkspace .anki-folder-actions .anki-folder-count {
    min-width: 0 !important;
    padding-inline: 6px !important;
    font-size: clamp(.60rem, 2.65vw, .70rem) !important;
    line-height: 1.05 !important;
    text-align: center !important;
  }

  #flashcardsWorkspace .anki-folder-actions .btn {
    width: 100% !important;
    min-width: 0 !important;
    padding: 7px 5px !important;
    font-size: clamp(.60rem, 2.65vw, .70rem) !important;
    line-height: 1.05 !important;
    justify-content: center !important;
  }

  #flashcardsWorkspace .anki-folder-actions > span:last-child {
    min-width: max-content !important;
    font-size: clamp(.58rem, 2.55vw, .68rem) !important;
    line-height: 1 !important;
  }

  /* Retention header actions use one centered column on narrow screens. */
  #retentionDiagnosticPanel .retention-diagnostic-head {
    display: grid !important;
    grid-template-columns: minmax(0, 1fr) !important;
    justify-items: center !important;
  }

  #retentionDiagnosticPanel .retention-diagnostic-head > div:first-child {
    width: 100% !important;
    min-width: 0 !important;
  }

  #retentionDiagnosticPanel .retention-study-now-v1072,
  #retentionDiagnosticPanel .retention-export-btn {
    width: min(100%, 310px) !important;
    min-width: 0 !important;
    margin-inline: auto !important;
  }

  /* Mobile retention metrics: no icon row. More space goes to title and value. */
  #retentionDiagnosticPanel .rd-metric-card-v1077 {
    grid-template-rows: minmax(42px, auto) minmax(62px, 1fr) 5px !important;
    row-gap: 8px !important;
    min-height: 172px !important;
    padding: 16px 10px 11px !important;
  }

  #retentionDiagnosticPanel .rd-metric-label-v1077 {
    font-size: clamp(.88rem, 3.65vw, 1rem) !important;
    font-weight: 850 !important;
    line-height: 1.16 !important;
    letter-spacing: 0 !important;
    padding-inline: 2px !important;
  }

  #retentionDiagnosticPanel .rd-metric-card-v1077 > strong {
    font-size: clamp(2rem, 9.4vw, 2.55rem) !important;
    line-height: .96 !important;
  }
}

@media (max-width: 390px) {
  #calendarWorkspace .calendar-shell-nav {
    grid-template-columns: 64px minmax(0, 1fr) !important;
    gap: 7px !important;
  }

  #calendarWorkspace .calendar-shell-nav > .btn {
    width: 64px !important;
    min-width: 64px !important;
    font-size: .66rem !important;
  }

  #calendarWorkspace .calendar-month-selectors {
    gap: 5px !important;
  }

  #calendarWorkspace .calendar-month-selectors label {
    font-size: .62rem !important;
  }

  #calendarWorkspace .calendar-month-selectors select {
    padding-inline: 6px 20px !important;
    font-size: .74rem !important;
  }

  #flashcardsWorkspace .anki-folder-header {
    grid-template-columns: minmax(0, 1fr) minmax(0, 2fr) !important;
    gap: 6px !important;
  }

  #flashcardsWorkspace .anki-folder-actions {
    grid-template-columns: minmax(52px, .86fr) minmax(64px, 1fr) max-content !important;
    gap: 4px !important;
  }

  #flashcardsWorkspace .anki-folder-actions .anki-folder-count,
  #flashcardsWorkspace .anki-folder-actions .btn {
    font-size: .60rem !important;
  }

  #flashcardsWorkspace .anki-folder-actions > span:last-child {
    font-size: .58rem !important;
  }

  #retentionDiagnosticPanel .rd-metric-label-v1077 {
    font-size: clamp(.82rem, 3.8vw, .94rem) !important;
  }

  #retentionDiagnosticPanel .rd-metric-card-v1077 > strong {
    font-size: clamp(1.9rem, 9.8vw, 2.35rem) !important;
  }
}