/* The Study installer, as a wizard: one viewport, no page scroll, one step
   at a time. Shared tokens come from /styles.css; everything here is layout
   and the handful of components the installer owns. Logs scroll inside
   their own panes; the page itself never does. */

.study-body {
  height: 100vh;
  overflow: hidden;
}

.wizard {
  height: calc(100vh - var(--bar));
  max-width: var(--wrap);
  margin-inline: auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-rows: auto auto 1fr auto;
  gap: 0.4rem;
}

/* --- head: title and mode ----------------------------------------------- */

.wiz-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding-top: 0.9rem;
}

.wiz-title {
  font-size: clamp(1.5rem, 3.2vw, 2.2rem);
  margin: 0.1rem 0 0;
}

.wiz-mode {
  display: flex;
  border: 1.5px solid var(--ink);
}

.wiz-mode button {
  font: inherit;
  font-size: 0.85rem;
  padding: 0.45rem 0.9rem;
  background: var(--paper);
  color: var(--ink);
  border: none;
  cursor: pointer;
}

.wiz-mode button[aria-selected="true"] {
  background: var(--ink);
  color: var(--paper);
}

/* --- stepper -------------------------------------------------------------- */

.wiz-stepper {
  display: flex;
  gap: 0.5rem;
  border-bottom: 1px solid var(--edge);
  padding-bottom: 0.5rem;
}

.wiz-stepper button {
  font: inherit;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.7rem;
  background: none;
  border: 1px solid transparent;
  color: var(--muted);
  cursor: pointer;
}

.wiz-stepper button span {
  display: inline-grid;
  place-items: center;
  width: 1.4rem;
  height: 1.4rem;
  border: 1.5px solid currentColor;
  border-radius: 50%;
  font-family: var(--mono);
  font-size: 0.75rem;
}

.wiz-stepper button.is-current {
  color: var(--ink);
  border-color: var(--ink);
}

.wiz-stepper button.is-done {
  color: var(--ink);
}

.wiz-stepper button.is-done span {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

.wiz-stepper button:disabled {
  cursor: default;
  opacity: 0.45;
}

.wiz-stepper.is-hidden {
  visibility: hidden;
}

/* --- the step area -------------------------------------------------------- */

.wiz-body {
  position: relative;
  min-height: 0;
}

.wiz-step {
  position: absolute;
  inset: 0;
  display: none;
  overflow: auto; /* safety net on short screens; panes scroll first */
  padding: 0.9rem 0.1rem;
}

.wiz-step.is-current {
  display: block;
}

/* --- step 1: the deck ----------------------------------------------------- */

.study-dropzone {
  height: 56%;
  min-height: 11rem;
  display: grid;
  place-content: center;
  text-align: center;
  border: 2px dashed var(--edge);
  background: var(--paper-2);
  cursor: pointer;
  transition:
    border-color 120ms ease,
    background 120ms ease;
  padding: 1rem;
}

.study-dropzone:hover,
.study-dropzone:focus-visible,
.study-dropzone.dragging {
  border-color: var(--ink);
}

.study-dropzone.dragging {
  background: var(--paper);
}

/* A drop with no acknowledgement is a drop people repeat. */
.study-dropzone.is-busy {
  border-style: solid;
  border-color: var(--ink);
  opacity: 0.55;
}

.study-drop-big {
  font-family: var(--display);
  font-size: clamp(1.5rem, 3.5vw, 2.4rem);
  margin: 0;
}

.study-drop-small {
  color: var(--muted);
  margin: 0.6rem auto 0;
  font-size: 0.88rem;
  max-width: 34rem;
}

.study-alt {
  color: var(--muted);
  font-size: 0.9rem;
  margin-top: 0.9rem;
  max-width: 44rem;
}

.linklike {
  background: none;
  border: none;
  padding: 0;
  font: inherit;
  color: var(--ink);
  text-decoration: underline;
  cursor: pointer;
}

.study-status {
  margin-top: 1rem;
}

.study-progress {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--muted);
  margin: 0;
}

.study-progress.is-error {
  color: var(--ink);
  border-left: 3px solid var(--ink);
  padding-left: 0.9rem;
  white-space: pre-wrap;
}

/* --- step 2: the report --------------------------------------------------- */

.wiz-check-head {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 0.5rem 2rem;
  align-items: start;
}

.study-card-title {
  font-family: var(--display);
  font-size: 1.25rem;
  margin: 0 0 0.2rem;
}

.study-facts {
  color: var(--muted);
  font-size: 0.85rem;
  margin: 0.2rem 0 0;
}

.study-warn {
  border-left: 3px solid var(--ink);
  padding-left: 0.9rem;
  font-size: 0.85rem;
  margin: 0.5rem 0 0;
}

.study-deck-choice {
  display: block;
  padding: 0.15rem 0;
  font-size: 0.9rem;
  cursor: pointer;
}

.study-deck-choice input {
  margin-right: 0.5rem;
}

.study-deck-cards {
  color: var(--muted);
  font-size: 0.8rem;
  margin-left: 0.4rem;
}

.study-verdict {
  font-family: var(--display);
  font-size: 1.25rem;
  margin: 0.5rem 0 0.3rem;
}

.study-verdict.is-bad::before,
.study-verdict.is-good::before {
  content: "";
  display: inline-block;
  width: 0.65em;
  height: 0.65em;
  margin-right: 0.45em;
  background: var(--ink);
}

.study-verdict.is-good::before {
  border-radius: 50%;
}

.wiz-type-label {
  font-size: 0.85rem;
  color: var(--muted);
  margin: 0 0 0.2rem;
}

.study-placeholder {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.85rem;
}

.wiz-report {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 0.7rem;
  margin-top: 0.5rem;
}

.study-log {
  background: var(--paper-2);
  border: 1px solid var(--edge);
  padding: 0.7rem 0.9rem;
  font-family: var(--mono);
  font-size: 0.74rem;
  line-height: 1.5;
  overflow: auto;
  white-space: pre-wrap;
  margin: 0;
  max-height: 32vh;
}

#typeLog {
  grid-column: 1 / -1;
  max-height: 18vh;
}

.study-mapping {
  margin-top: 0.6rem;
}

.study-mapping summary {
  cursor: pointer;
  color: var(--muted);
  font-size: 0.85rem;
}

.study-mapping p {
  font-size: 0.85rem;
  color: var(--muted);
  max-width: 40rem;
}

.study-map-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(13rem, 1fr));
  gap: 0.4rem 0.9rem;
  margin: 0.6rem 0 0.8rem;
}

.study-map-grid label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--mono);
  font-size: 0.78rem;
}

.study-map-grid input {
  flex: 1;
  min-width: 0;
  font: inherit;
  padding: 0.25rem 0.5rem;
  border: 1px solid var(--edge);
  background: var(--paper);
  color: var(--ink);
}

/* --- step 3: the preview --------------------------------------------------- */

.wiz-try {
  display: grid;
  grid-template-columns: minmax(15rem, 21rem) minmax(0, 1fr);
  gap: 2rem;
  height: 100%;
  align-items: stretch;
}

.wiz-try-side p {
  font-size: 0.95rem;
  margin-top: 0;
}

.study-device {
  height: 100%;
  min-height: 0;
  display: flex;
  justify-content: center;
  overflow: hidden;
}

.study-preview-frame {
  height: 100%;
  max-height: calc(100vh - var(--bar) - 12.5rem);
  aspect-ratio: 3 / 5;
  max-width: 100%;
  border: 1px solid var(--edge);
  background: #faf9f6;
  display: block;
}

/* --- step 4 and sync ------------------------------------------------------- */

.wiz-write,
.wiz-sync {
  max-width: 46rem;
}

.wiz-write p,
.wiz-sync p {
  font-size: 0.95rem;
  margin-top: 0;
}

.study-status-line {
  font-family: var(--mono);
  font-size: 0.83rem;
  color: var(--muted);
  margin-top: 0.8rem;
  white-space: pre-wrap;
}

.wiz-after {
  margin-top: 1.2rem;
  border-top: 1px solid var(--edge);
  padding-top: 0.9rem;
}

#syncLog {
  margin-top: 0.8rem;
  max-height: 30vh;
}

/* --- foot ------------------------------------------------------------------ */

.wiz-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border-top: 1px solid var(--edge);
  padding: 0.5rem 0 0.7rem;
}

.wiz-fine {
  color: var(--muted);
  font-size: 0.72rem;
  margin: 0;
}

.wiz-fine a {
  color: inherit;
}

.wizard .btn:disabled {
  opacity: 0.4;
  cursor: default;
}

.wiz-next {
  margin-top: 1.2rem;
}

.wiz-stepper button {
  white-space: nowrap;
}

/* the working line pulses so a long first load reads as alive, not hung */
.study-progress.is-busy::after {
  content: "";
  display: inline-block;
  width: 0.55em;
  height: 0.55em;
  margin-left: 0.5em;
  background: currentColor;
  animation: study-pulse 1s ease-in-out infinite;
  vertical-align: baseline;
}

@keyframes study-pulse {
  0%,
  100% {
    opacity: 0.15;
  }
  50% {
    opacity: 0.9;
  }
}

@media (prefers-reduced-motion: reduce) {
  .study-progress.is-busy::after {
    animation: none;
    opacity: 0.6;
  }
}

/* --- the sample card and its field mapping ------------------------------- */

.wiz-sample {
  display: grid;
  grid-template-columns: minmax(15rem, 19rem) minmax(0, 1fr);
  gap: 2rem;
  margin: 0.9rem 0 0.3rem;
  align-items: start;
}

.wiz-card {
  border: 1.5px solid var(--ink);
  background: #faf9f6;
  color: #111110;
  padding: 1rem 1.1rem 1.2rem;
}

.wiz-card-side {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #777;
  margin: 0 0 0.3rem;
}

.wiz-card-word {
  font-family: var(--serif);
  font-size: 1.7rem;
  margin: 0;
  overflow-wrap: anywhere;
}

.wiz-card-reading {
  font-family: var(--serif);
  font-style: italic;
  color: #444;
  margin: 0.1rem 0 0;
}

.wiz-card-rule {
  border-top: 1px solid #bbb;
  margin: 0.8rem 0 0.6rem;
}

.wiz-card-meaning {
  font-family: var(--serif);
  font-size: 1rem;
  margin: 0;
  overflow-wrap: anywhere;
}

.wiz-card-pos {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: #666;
  margin: 0.25rem 0 0;
}

.wiz-card-sentence {
  font-family: var(--serif);
  font-size: 0.9rem;
  margin: 0.55rem 0 0;
  overflow-wrap: anywhere;
}

.wiz-card-sub {
  font-family: var(--serif);
  font-size: 0.85rem;
  color: #555;
  margin: 0.2rem 0 0;
  overflow-wrap: anywhere;
}

/* The panel exists to show the mapping; five of seven menus rendering as
   "Sentence⌄" defeated the whole point. Label above, menu full width. */
.wiz-map .study-map-grid {
  grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr));
}

.wiz-map .study-map-grid label {
  display: block;
}

.wiz-map select {
  width: 100%;
  margin-top: 0.15rem;
  min-width: 0;
  font: inherit;
  font-size: 0.82rem;
  padding: 0.25rem 0.4rem;
  border: 1px solid var(--edge);
  background: var(--paper);
  color: var(--ink);
}

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

/* [hidden] must win over the display: grid/flex the layout classes set,
   or the state machine's hidden-toggling silently stops working. */
#samplePanel[hidden],
#previewBody[hidden],
#writeBody[hidden],
#reportBody[hidden],
#typeBody[hidden],
#openSummary[hidden],
#typeChoices[hidden] {
  display: none !important;
}

/* --- small screens ---------------------------------------------------------- */

@media (max-width: 720px) {
  .study-body {
    height: auto;
    overflow: auto;
  }

  .wizard {
    height: auto;
  }

  .wiz-step {
    position: static;
    padding: 0.7rem 0;
  }

  .wiz-stepper button {
    padding: 0.3rem 0.4rem;
  }

  .wiz-check-head,
  .wiz-report,
  .wiz-try {
    grid-template-columns: 1fr;
  }

  .study-preview-frame {
    height: auto;
    width: 100%;
    max-height: none;
  }
}