/* ============================================================
   Cuneiform Translation Portal – Stylesheet
   Theme: dark academic, warm clay tones
   ============================================================ */

/* ---- Custom properties ---- */
:root {
  --bg:            #12100c;
  --bg-section:    #1a1712;
  --bg-card:       #221f18;
  --bg-panel:      #1e1b14;
  --bg-panel-head: #282318;

  --text:          #e0d0a8;
  --text-dim:      #9a8a68;
  --text-muted:    #6a5a40;

  --accent:        #c89848;
  --accent-hover:  #e8b860;
  --accent-glow:   rgba(200, 152, 72, 0.18);

  --border:        #3a3020;
  --border-light:  #4a4030;

  /* ATF syntax colours */
  --clr-structural: #8898a8;
  --clr-id:         #c8a048;
  --clr-comment:    #5a6860;
  --clr-dollar:     #5a6860;
  --clr-line-num:   #78b8c8;
  --clr-det:        #78c890;
  --clr-uncertain:  #d08848;
  --clr-broken:     #a87840;

  /* Status colours */
  --ok:   #5a9860;
  --warn: #c89040;
  --err:  #a85040;

  --radius: 6px;
  --shadow: 0 2px 12px rgba(0,0,0,.5);
}

/* ---- Reset / base ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'EB Garamond', Georgia, serif;
  font-size: 1rem;
  line-height: 1.65;
  min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); text-decoration: underline; }

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  background: linear-gradient(180deg, #0e0b08 0%, var(--bg) 100%);
  border-bottom: 1px solid var(--border);
  padding: 1.25rem 2rem;
}
.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.header-title {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.cuneiform-glyph {
  font-size: 2.8rem;
  line-height: 1;
  color: var(--accent);
  user-select: none;
}
h1 {
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: .01em;
}
.subtitle {
  font-size: .85rem;
  color: var(--text-dim);
  font-style: italic;
  margin-top: .1rem;
}
.header-badge {
  text-align: right;
  font-size: .75rem;
}
.badge-label { color: var(--text-muted); display: block; }
.badge-name  { color: var(--accent); font-weight: 600; letter-spacing: .04em; }

/* ============================================================
   SELECTOR SECTION
   ============================================================ */
.selector-section {
  background: var(--bg-section);
  border-bottom: 1px solid var(--border);
  padding: 2rem;
}
.selector-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  gap: 2.5rem;
  align-items: flex-start;
}

/* Controls (left) */
.selector-controls {
  flex: 0 0 260px;
  min-width: 200px;
}
.select-label {
  display: block;
  font-size: .8rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text-dim);
  margin-bottom: .4rem;
}
.select-wrapper {
  position: relative;
  margin-bottom: 1rem;
}
.select-wrapper::after {
  content: '▾';
  position: absolute;
  right: .75rem;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  color: var(--accent);
  font-size: .8rem;
}
select {
  width: 100%;
  background: var(--bg-card);
  color: var(--text);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: .55rem 2.2rem .55rem .75rem;
  font-family: inherit;
  font-size: .95rem;
  appearance: none;
  cursor: pointer;
  transition: border-color .2s;
}
select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-glow);
}

.btn-translate {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .6rem;
  background: var(--accent);
  color: #0e0b08;
  border: none;
  border-radius: var(--radius);
  padding: .65rem 1.5rem;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background .2s, transform .1s;
  letter-spacing: .02em;
}
.btn-translate:hover:not(:disabled) { background: var(--accent-hover); transform: translateY(-1px); }
.btn-translate:active:not(:disabled) { transform: translateY(0); }
.btn-translate:disabled {
  background: var(--border);
  color: var(--text-muted);
  cursor: not-allowed;
}
.btn-icon { font-size: 1.1rem; }

.hint-text {
  margin-top: .9rem;
  font-size: .78rem;
  color: var(--text-muted);
  line-height: 1.4;
  font-style: italic;
}

/* Tablet info card (right) */
.tablet-card {
  flex: 1;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  gap: 0;
  box-shadow: var(--shadow);
}
.tablet-image-wrap {
  flex: 0 0 180px;
  width: 180px;
  height: 220px;
  background: #0a0805;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.tablet-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.img-fallback {
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  color: var(--text-muted);
  font-size: .8rem;
  text-align: center;
  padding: .5rem;
}
.fallback-icon { font-size: 2.5rem; }

.tablet-meta {
  flex: 1;
  padding: 1.1rem 1.4rem;
}
.tablet-cdli-id {
  font-family: 'Source Code Pro', monospace;
  font-size: .75rem;
  color: var(--accent);
  letter-spacing: .06em;
  margin-bottom: .3rem;
}
.tablet-title-heading {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: .4rem;
}
.tablet-desc {
  font-size: .88rem;
  color: var(--text-dim);
  line-height: 1.5;
  margin-bottom: .75rem;
}
.meta-list { display: grid; gap: .15rem; }
.meta-row { display: flex; gap: .75rem; font-size: .82rem; }
.meta-row dt { color: var(--text-muted); min-width: 80px; }
.meta-row dd { color: var(--text-dim); }

.cdli-link {
  display: inline-block;
  margin-top: .8rem;
  font-size: .8rem;
  color: var(--accent);
}

/* ============================================================
   LOADING BANNER
   ============================================================ */
.loading-banner {
  max-width: 1200px;
  margin: 1.5rem auto;
  padding: 1rem 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  gap: 1.2rem;
}
@keyframes spin { to { transform: rotate(360deg); } }
.spinner {
  width: 24px;
  height: 24px;
  border: 3px solid var(--border-light);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin .9s linear infinite;
  flex-shrink: 0;
}
.loading-text {
  display: flex;
  flex-direction: column;
  font-size: .9rem;
}
.loading-text strong { color: var(--text); }
.loading-text span   { color: var(--text-muted); font-size: .8rem; font-style: italic; }

/* ============================================================
   STATUS BANNER
   ============================================================ */
.status-banner {
  max-width: 1200px;
  margin: 1rem auto;
  padding: .75rem 2rem;
  border-radius: var(--radius);
  font-size: .88rem;
}
.status-banner.ok   { background: rgba(90,152,96,.15); border: 1px solid var(--ok);  color: #8adc9a; }
.status-banner.warn { background: rgba(200,144,64,.15); border: 1px solid var(--warn); color: #e0b870; }
.status-banner.err  { background: rgba(168,80,64,.15); border: 1px solid var(--err);  color: #e08878; }

/* ============================================================
   OUTPUT SECTION
   ============================================================ */
.output-section {
  max-width: 1200px;
  margin: 0 auto 4rem;
  padding: 1.5rem 2rem;
}

.output-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
  padding-bottom: .75rem;
  border-bottom: 1px solid var(--border);
}
.output-title {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text);
}
.output-subtitle {
  font-size: .9rem;
  font-weight: 400;
  color: var(--text-dim);
  margin-left: .75rem;
  font-style: italic;
}

.btn-clear {
  background: transparent;
  border: 1px solid var(--border-light);
  color: var(--text-dim);
  border-radius: var(--radius);
  padding: .35rem .9rem;
  font-size: .8rem;
  font-family: inherit;
  cursor: pointer;
  transition: border-color .2s, color .2s;
  white-space: nowrap;
}
.btn-clear:hover { border-color: var(--accent); color: var(--accent); }

/* Legend */
.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1rem;
  font-size: .78rem;
  color: var(--text-muted);
}
.legend-item { display: flex; align-items: center; gap: .35rem; }
.swatch {
  display: inline-block;
  width: 10px; height: 10px;
  border-radius: 2px;
}
.swatch-structural { background: var(--clr-structural); }
.swatch-line-num   { background: var(--clr-line-num); }
.swatch-det        { background: var(--clr-det); }
.swatch-uncertain  { background: var(--clr-uncertain); }

/* Content grid */
.content-grid {
  display: grid;
  grid-template-columns: 1fr 1px 1fr;
  gap: 0;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.panel-divider { background: var(--border); }

/* Panel */
.panel { display: flex; flex-direction: column; }
.panel-header {
  background: var(--bg-panel-head);
  border-bottom: 1px solid var(--border);
  padding: .6rem 1.2rem;
  display: flex;
  align-items: center;
  gap: .6rem;
}
.panel-header h3 {
  font-size: .85rem;
  text-transform: uppercase;
  letter-spacing: .1em;
  font-weight: 600;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  gap: .5rem;
}
.panel-tag {
  background: var(--border-light);
  color: var(--text-muted);
  font-size: .65rem;
  padding: .1rem .4rem;
  border-radius: 3px;
  letter-spacing: .05em;
  text-transform: uppercase;
}

.panel-body {
  padding: 1rem 1.2rem;
  font-size: .88rem;
  overflow-x: auto;
}

/* ---- ATF rows ---- */
.atf-row {
  display: flex;
  align-items: baseline;
  gap: .5rem;
  padding: .12rem 0;
  border-radius: 3px;
  transition: background .12s;
}
.atf-row:hover { background: rgba(255,255,255,.03); }

/* Paired rows share highlight with their translation counterpart */
.atf-row.content-row { cursor: default; }

.atf-type-id       .atf-text { color: var(--clr-id); font-weight: 600; }
.atf-type-structural .atf-text { color: var(--clr-structural); font-style: italic; }
.atf-type-comment  .atf-text { color: var(--clr-comment); font-style: italic; }
.atf-type-dollar   .atf-text { color: var(--clr-dollar); font-style: italic; }
.atf-type-other    .atf-text { color: var(--text-muted); }

.atf-linenum {
  font-family: 'Source Code Pro', monospace;
  color: var(--clr-line-num);
  font-size: .8rem;
  min-width: 2.2rem;
  flex-shrink: 0;
  text-align: right;
  user-select: none;
}
.atf-text {
  font-family: 'Source Code Pro', monospace;
  color: var(--text);
  font-size: .83rem;
  line-height: 1.7;
  white-space: pre-wrap;
  word-break: break-word;
}

/* Inline ATF syntax highlighting applied via JS */
.det         { color: var(--clr-det); }         /* {d}, {ki}, etc. */
.uncertain   { color: var(--clr-uncertain); }   /* word# */
.broken      { color: var(--clr-broken); }      /* [...] */
.unknown     { color: var(--text-muted); }      /* x */

/* ---- Translation rows ---- */
.tr-row {
  padding: .12rem 0;
  min-height: 1.4rem;
  border-radius: 3px;
  transition: background .12s;
}
.tr-row:hover { background: rgba(255,255,255,.03); }
.tr-text {
  font-family: 'EB Garamond', Georgia, serif;
  font-size: .92rem;
  color: var(--text);
  line-height: 1.7;
}
.tr-empty { min-height: 1.4rem; }
.tr-placeholder {
  color: var(--text-muted);
  font-style: italic;
  font-size: .82rem;
}

/* ============================================================
   UTILITY
   ============================================================ */
.hidden { display: none !important; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--bg);
  border-top: 1px solid var(--border);
  text-align: center;
  padding: 1.1rem;
  font-size: .78rem;
  color: var(--text-muted);
}
.site-footer a { color: var(--text-muted); }
.site-footer a:hover { color: var(--accent); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 800px) {
  .selector-inner { flex-direction: column; }
  .tablet-card { flex-direction: column; }
  .tablet-image-wrap { width: 100%; height: 180px; flex: unset; }
  .content-grid { grid-template-columns: 1fr; }
  .panel-divider { height: 1px; }
  .header-badge { display: none; }
}

/* ============================================================
   EXPERT / SCHOLAR MODE
   ============================================================ */

.output-header-actions {
  display: flex;
  align-items: center;
  gap: .5rem;
}

/* Scholar mode button active state */
body.expert-mode #expert-toggle {
  border-color: var(--accent);
  color: var(--accent);
}

/* Translation rows in expert mode */
body.expert-mode .tr-row {
  display: flex;
  flex-direction: column;
  gap: .2rem;
  padding: .15rem 0;
}

.tr-main {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: .5rem;
}

/* Verdict controls — hidden until expert mode */
.verdict-controls {
  display: none;
  gap: .25rem;
  flex-shrink: 0;
}
body.expert-mode .verdict-controls { display: flex; }

.vbtn {
  background: transparent;
  border: 1px solid var(--border-light);
  color: var(--text-muted);
  border-radius: 3px;
  padding: .05rem .32rem;
  font-size: .72rem;
  line-height: 1.4;
  cursor: pointer;
  transition: background .15s, color .15s, border-color .15s;
}
.vbtn:hover { border-color: var(--text-dim); color: var(--text); }
.vbtn-ok.active  { background: rgba(90,152,96,.25);  border-color: var(--ok);  color: #8adc9a; }
.vbtn-no.active  { background: rgba(168,80,64,.25);  border-color: var(--err); color: #e08878; }

/* Row tints when verdict set */
.tr-row.verdict-correct  { border-left: 2px solid rgba(90,152,96,.5);  padding-left: .4rem; }
.tr-row.verdict-incorrect { border-left: 2px solid rgba(168,80,64,.5); padding-left: .4rem; }

/* Correction textarea */
.correction-input {
  width: 100%;
  background: rgba(168,80,64,.08);
  border: 1px solid rgba(168,80,64,.3);
  border-radius: 3px;
  color: var(--text);
  font-family: 'EB Garamond', Georgia, serif;
  font-size: .85rem;
  padding: .3rem .5rem;
  resize: vertical;
  min-height: 2.4rem;
  line-height: 1.5;
  margin-top: .15rem;
}
.correction-input::placeholder { color: var(--text-muted); font-style: italic; }
.correction-input:focus { outline: none; border-color: rgba(168,80,64,.6); }

/* Expert submit bar — fixed bottom */
.expert-submit-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: #1a1410;
  border-top: 1px solid var(--border-light);
  padding: .75rem 2rem;
  box-shadow: 0 -4px 20px rgba(0,0,0,.5);
  z-index: 100;
}
.expert-submit-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.expert-submit-info {
  font-size: .85rem;
  color: var(--text-dim);
}
.expert-mode-label {
  font-size: .7rem;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--accent);
  margin-right: .6rem;
}
.expert-submit-fields {
  display: flex;
  align-items: center;
  gap: .6rem;
  flex-wrap: wrap;
}
.expert-input {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  color: var(--text);
  font-family: inherit;
  font-size: .85rem;
  padding: .35rem .7rem;
  width: 180px;
  transition: border-color .2s;
}
.expert-input:focus { outline: none; border-color: var(--accent); }
.expert-input::placeholder { color: var(--text-muted); }

.btn-expert-submit {
  background: var(--accent);
  color: #0e0b08;
  border: none;
  border-radius: var(--radius);
  padding: .4rem 1.1rem;
  font-family: inherit;
  font-size: .85rem;
  font-weight: 600;
  cursor: pointer;
  transition: background .2s;
  white-space: nowrap;
}
.btn-expert-submit:hover:not(:disabled) { background: var(--accent-hover); }
.btn-expert-submit:disabled { background: var(--border); color: var(--text-muted); cursor: not-allowed; }