/* Vocabulary practice page */

.words-layout {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 52px var(--pad) 104px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 310px;
  gap: 38px;
  align-items: start;
}

.study-card {
  position: relative;
  min-width: 0;
  padding: 29px 32px 31px;
  border: 1px solid var(--line);
  background: var(--surface);
}
.study-card::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 76px;
  height: 2px;
  background: var(--accent);
}

.study-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 22px;
}
.session-kicker {
  margin: 0 0 8px;
  color: var(--accent);
  font: 500 8.5px var(--mono);
  letter-spacing: .16em;
}
.study-head h2 {
  margin: 0;
  color: var(--text-strong);
  font-size: 23px;
  font-weight: 600;
  letter-spacing: -.025em;
}
.session-count {
  color: var(--faint);
  font: 500 9px var(--mono);
  letter-spacing: .05em;
  white-space: nowrap;
}

.session-bar {
  height: 2px;
  margin-top: 16px;
  background: var(--line);
  overflow: hidden;
}
.session-bar span {
  display: block;
  width: 0;
  height: 100%;
  background: var(--accent);
  transition: width .3s ease;
}

.study-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 17px;
}
.mode-label {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--faint);
  font: 500 8.5px var(--mono);
  letter-spacing: .06em;
}
.mode-label select {
  height: 31px;
  padding: 0 8px;
  border: 1px solid var(--line);
  background: var(--bg);
  color: var(--text);
  font: 500 10px var(--sans);
  outline: 0;
}
.mode-label select:focus { border-color: var(--accent); }
.toolbar-note { color: var(--faint); font: 500 8.5px var(--mono); }

.study-prompt {
  min-height: 268px;
  display: grid;
  place-content: center;
  padding: 26px 0 20px;
  text-align: center;
}
.prompt-label {
  margin: 0 0 16px;
  color: var(--faint);
  font: 500 8.5px var(--mono);
  letter-spacing: .12em;
}
.study-word {
  margin: 0;
  color: var(--text-strong);
  font: italic 400 clamp(58px, 7.4vw, 92px)/1 var(--serif);
  letter-spacing: -.04em;
  overflow-wrap: anywhere;
}
.study-phonetic {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin: 13px 0 0;
  color: var(--muted);
  font: 500 12px var(--mono);
  letter-spacing: .04em;
}
.speak-btn {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: transparent;
  color: var(--faint);
  cursor: pointer;
  transition: color .2s ease, border-color .2s ease;
}
.speak-btn:hover { color: var(--accent); border-color: var(--accent); }
.speak-btn .icon { width: 13px; height: 13px; }

.study-definition {
  max-width: 560px;
  margin: 0 auto;
  color: var(--text);
  font-size: 19px;
  line-height: 1.85;
}

.study-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 9px;
  margin-top: 18px;
}
.study-form input {
  width: 100%;
  min-width: 0;
  height: 47px;
  padding: 0 13px;
  border: 1px solid var(--line);
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  outline: 0;
}
.study-form input:focus { border-color: var(--accent); }
.study-form input::placeholder { color: var(--faint); }
.study-form button {
  min-width: 114px;
  height: 47px;
  padding: 0 15px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: var(--accent-ink);
  font: 500 10px var(--mono);
  letter-spacing: .06em;
  cursor: pointer;
  transition: background-color .2s ease, border-color .2s ease;
}
.study-form button:hover { background: var(--accent-bright); border-color: var(--accent-bright); }
.study-form button:disabled { opacity: .45; cursor: default; }
.study-form input:disabled { color: var(--faint); }

.mobile-break { display: none; }

.study-hint {
  margin: 9px 0 0;
  color: var(--faint);
  font: 500 8.5px var(--mono);
  letter-spacing: .03em;
}
.study-hint kbd { font-size: 8px; }

.study-solution {
  margin-top: 21px;
  padding-top: 21px;
  border-top: 1px solid var(--line);
}
.solution-top {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 12px;
}
.solution-word {
  color: var(--text-strong);
  font: italic 400 30px var(--serif);
  letter-spacing: -.02em;
}
.solution-phonetic { color: var(--faint); font: 500 10px var(--mono); }
.solution-result {
  margin-left: auto;
  color: var(--accent);
  font: 500 9px var(--mono);
}
.solution-result.is-wrong { color: var(--danger); }
.solution-translation {
  margin: 13px 0 0;
  color: var(--text);
  font-size: 14.5px;
  line-height: 1.85;
}
.solution-def {
  margin: 7px 0 0;
  color: var(--faint);
  font-size: 11.5px;
  line-height: 1.8;
}

.ratings {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 7px;
  margin-top: 18px;
}
.rate-btn {
  display: grid;
  gap: 5px;
  min-height: 62px;
  padding: 9px 8px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text);
  text-align: left;
  cursor: pointer;
  transition: border-color .2s ease, color .2s ease, background-color .2s ease;
}
.rate-btn strong { font: 500 10px var(--mono); letter-spacing: .03em; }
.rate-btn small { color: var(--faint); font: 500 8px var(--mono); letter-spacing: .02em; }
.rate-btn kbd {
  justify-self: end;
  margin-top: -20px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--faint);
  font-size: 8px;
}
.rate-btn:hover { border-color: var(--line-strong); background: var(--bg-elev); }
.rate-btn[data-rate="forgot"]:hover { border-color: var(--danger); color: var(--danger); }
.rate-btn[data-rate="hard"]:hover { border-color: var(--warm); color: var(--warm); }
.rate-btn[data-rate="good"]:hover { border-color: var(--accent); color: var(--accent); }
.rate-btn[data-rate="easy"]:hover { border-color: var(--accent-bright); color: var(--accent-bright); }

.study-complete { padding: 54px 20px 48px; text-align: center; }
.complete-mark {
  width: 62px;
  height: 62px;
  display: grid;
  place-items: center;
  margin: 0 auto 20px;
  border: 1px solid var(--accent);
  border-radius: 50%;
  color: var(--accent);
  font: 500 22px var(--mono);
}
.study-complete h3 {
  margin: 0;
  color: var(--text-strong);
  font-size: 26px;
  font-weight: 600;
  letter-spacing: -.025em;
}
.study-complete p {
  max-width: 380px;
  margin: 10px auto 0;
  color: var(--muted);
  font-size: 12.5px;
  line-height: 1.8;
}
.complete-stats {
  display: flex;
  justify-content: center;
  gap: 34px;
  margin-top: 25px;
}
.complete-stats div { display: grid; gap: 4px; }
.complete-stats strong { color: var(--accent); font: 500 21px var(--mono); }
.complete-stats span { color: var(--faint); font: 500 8px var(--mono); letter-spacing: .1em; }
.complete-actions { display: flex; justify-content: center; gap: 10px; margin-top: 24px; }
.complete-actions button {
  height: 38px;
  padding: 0 14px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text);
  font: 500 9.5px var(--mono);
  cursor: pointer;
}
.complete-actions button:hover { color: var(--accent); border-color: var(--accent); }

/* Rail --------------------------------------------------------------------- */

.study-rail {
  display: grid;
  gap: 23px;
}

.stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 7px;
}
.stat-card {
  padding: 14px 13px;
  border: 1px solid var(--line);
  background: transparent;
}
.stat-card strong {
  display: block;
  color: var(--accent);
  font: 500 23px var(--mono);
  letter-spacing: -.02em;
}
.stat-card span {
  display: block;
  margin-top: 4px;
  color: var(--faint);
  font: 500 8px var(--mono);
  letter-spacing: .05em;
}

.goal-block {
  display: flex;
  align-items: center;
  gap: 15px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}
.goal-ring {
  width: 66px;
  height: 66px;
  flex: none;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: conic-gradient(var(--accent) var(--p, 0%), var(--line) 0);
}
.goal-ring > div {
  width: 57px;
  height: 57px;
  display: grid;
  place-content: center;
  border-radius: 50%;
  background: var(--bg);
  text-align: center;
}
.goal-ring strong { color: var(--text); font: 500 13px var(--mono); }
.goal-ring span { color: var(--faint); font: 500 7px var(--mono); letter-spacing: .08em; }
.goal-copy p { margin: 0; color: var(--text); font-size: 12px; line-height: 1.5; }
.goal-copy small { display: block; margin-top: 5px; color: var(--faint); font: 500 8.5px var(--mono); line-height: 1.6; }

.rail-block { padding-top: 14px; border-top: 1px solid var(--line); }
.rail-label {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 12px;
  color: var(--faint);
  font: 500 8px var(--mono);
  letter-spacing: .18em;
}
.rail-label::before { content: ""; width: 3px; height: 3px; background: var(--accent); }

.shortcut-list { display: grid; gap: 7px; }
.shortcut-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  color: var(--faint);
  font: 500 9px var(--mono);
}
.shortcut-row kbd { font-size: 8px; }

.leech-note {
  margin: 0;
  color: var(--faint);
  font: 500 9px/1.8 var(--mono);
}

/* Library ----------------------------------------------------------------- */

.words-library {
  grid-column: 1 / -1;
  margin-top: 32px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
}
.library-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 22px;
  margin-bottom: 18px;
}
.library-head h2 {
  margin: 0;
  color: var(--text-strong);
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -.03em;
}
.library-head p {
  margin: 6px 0 0;
  color: var(--faint);
  font: 500 9px var(--mono);
}
.library-search {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 38px;
  width: min(300px, 100%);
  border: 1px solid var(--line);
  background: var(--surface);
}
.library-search:focus-within { border-color: var(--accent); }
.library-search input {
  width: 100%;
  min-width: 0;
  height: 38px;
  padding: 0 11px;
  border: 0;
  background: transparent;
  color: var(--text);
  font-size: 12px;
  outline: 0;
}
.library-search input::placeholder { color: var(--faint); }
.library-search button {
  display: grid;
  place-items: center;
  border: 0;
  border-left: 1px solid var(--line);
  background: transparent;
  color: var(--accent);
  cursor: pointer;
}

.word-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 9px;
}
.word-card {
  min-width: 0;
  padding: 15px 16px;
  border: 1px solid var(--line);
  background: transparent;
  transition: border-color .2s ease, background-color .2s ease;
}
.word-card:hover { border-color: var(--line-strong); background: var(--surface); }
.word-card-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}
.word-card strong {
  color: var(--text);
  font: italic 400 19px var(--serif);
  letter-spacing: -.01em;
}
.word-card small { color: var(--faint); font: 500 8px var(--mono); }
.word-card p {
  margin: 7px 0 0;
  color: var(--muted);
  font-size: 11.5px;
  line-height: 1.7;
}
.word-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 9px;
}
.word-card-tags span {
  padding: 2px 5px;
  border: 1px solid var(--line);
  color: var(--faint);
  font: 500 7.5px var(--mono);
}
.library-empty {
  grid-column: 1 / -1;
  padding: 34px 0;
  color: var(--faint);
  font: 500 10px var(--mono);
  text-align: center;
}

/* Responsive --------------------------------------------------------------- */

@media (max-width: 1020px) {
  .words-layout { grid-template-columns: 1fr; gap: 26px; padding-top: 42px; }
  .study-rail {
    grid-template-columns: 1fr 1fr;
    gap: 22px 28px;
  }
  .stat-grid { grid-column: 1; grid-row: 1 / span 2; }
  .goal-block { grid-column: 2; grid-row: 1; border-top: 0; padding-top: 0; }
  .study-rail .rail-block:nth-child(3) { grid-column: 2; grid-row: 2; }
  .study-rail .rail-block:nth-child(4) { grid-column: 1 / -1; grid-row: 3; }
  .word-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 700px) {
  .words-layout { padding: 36px var(--pad) 80px; }
  .study-card { padding: 22px 19px 24px; }
  .study-head { gap: 12px; }
  .study-head h2 { font-size: 20px; }
  .session-count { font-size: 8px; }
  .study-toolbar { align-items: flex-start; flex-direction: column; gap: 10px; }
  .toolbar-note { display: none; }
  .study-prompt { min-height: 212px; padding: 20px 0 14px; }
  .study-word { font-size: clamp(50px, 15vw, 68px); }
  .study-definition { font-size: 16px; }
  .study-form { grid-template-columns: 1fr; }
  .study-form button { width: 100%; }
  .study-hint { line-height: 1.7; }
  .ratings { grid-template-columns: 1fr 1fr; }
  .rate-btn { min-height: 56px; }
  .rate-btn kbd { margin-top: -18px; }
  .study-rail { grid-template-columns: 1fr; gap: 18px; }
  .stat-grid { grid-column: auto; grid-row: auto; }
  .goal-block { grid-column: auto; grid-row: auto; border-top: 1px solid var(--line); padding-top: 14px; }
  .study-rail .rail-block,
  .study-rail .rail-block:nth-child(3),
  .study-rail .rail-block:nth-child(4) { grid-column: auto; grid-row: auto; }
  .mobile-break { display: block; }
  .library-head { align-items: flex-start; flex-direction: column; gap: 14px; }
  .library-search { width: 100%; }
  .word-grid { grid-template-columns: 1fr; }
}