:root {
  --bg:          #0b1a10;
  --surface:     #122318;
  --surface2:    #1a3326;
  --surface3:    #203d2f;
  --gold:        #c9a84c;
  --gold-light:  #e2c97e;
  --gold-dim:    #8a6f2e;
  --green:       #2e7d52;
  --green-light: #3da368;
  --text:        #e8e0d0;
  --text-dim:    #9e9688;
  --sub:         #e05252;   /* substitution */
  --del:         #e09c52;   /* deletion     */
  --ins:         #5282e0;   /* insertion    */
  --ok:          #52c97b;   /* correct      */
  --border:      #2a4a38;
  --radius:      12px;
  --radius-lg:   20px;
}

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

html { font-size: 16px; }

body {
  font-family: 'Cairo', 'Amiri', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  direction: rtl;
  background-image:
    radial-gradient(ellipse at 20% 0%, rgba(46,125,82,.18) 0%, transparent 55%),
    radial-gradient(ellipse at 80% 100%, rgba(201,168,76,.10) 0%, transparent 55%);
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--surface); }
::-webkit-scrollbar-thumb { background: var(--gold-dim); border-radius: 3px; }

/* ── Geometric border utility ── */
.geo-border {
  border: 1px solid var(--border);
  position: relative;
}
.geo-border::before, .geo-border::after {
  content: '❖';
  position: absolute;
  color: var(--gold-dim);
  font-size: .75rem;
  line-height: 1;
}
.geo-border::before { top: -9px; right: 12px; }
.geo-border::after  { bottom: -9px; left: 12px; }

/* ── Animations ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes shimmer {
  0%   { background-position: -200% center; }
  100% { background-position: 200% center; }
}
@keyframes pulse-ring {
  0%   { box-shadow: 0 0 0 0 rgba(201,168,76,.35); }
  70%  { box-shadow: 0 0 0 10px rgba(201,168,76,0); }
  100% { box-shadow: 0 0 0 0 rgba(201,168,76,0); }
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

.animate-fade-up { animation: fadeUp .45s ease both; }

/* ── Layout ── */
.app {
  max-width: 860px;
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

/* ── Header ── */
.header {
  text-align: center;
  padding: 2rem 1rem 1.5rem;
  position: relative;
}
.header-ornament {
  font-size: 1.1rem;
  color: var(--gold-dim);
  letter-spacing: .25em;
  margin-bottom: .6rem;
}
.header h1 {
  font-family: 'Amiri', serif;
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--gold-light);
  line-height: 1.3;
  text-shadow: 0 2px 20px rgba(201,168,76,.3);
}
.header-sub {
  color: var(--text-dim);
  font-size: .95rem;
  margin-top: .5rem;
}
.header-line {
  display: flex;
  align-items: center;
  gap: .75rem;
  margin: 1rem auto 0;
  width: fit-content;
}
.header-line span {
  height: 1px;
  width: 60px;
  background: linear-gradient(90deg, transparent, var(--gold-dim));
}
.header-line span:last-child {
  background: linear-gradient(270deg, transparent, var(--gold-dim));
}
.header-line .star { color: var(--gold); font-size: 1rem; }

/* ── Input card ── */
.input-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  border: 1px solid var(--border);
  box-shadow: 0 4px 24px rgba(0,0,0,.3);
}
.input-label {
  font-size: .85rem;
  color: var(--gold);
  font-weight: 600;
  letter-spacing: .05em;
  margin-bottom: .75rem;
  display: flex;
  align-items: center;
  gap: .5rem;
}
.input-label svg { width: 16px; height: 16px; flex-shrink: 0; }

.verse-textarea {
  width: 100%;
  min-height: 120px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: 'Amiri Quran', 'Amiri', serif;
  font-size: 1.55rem;
  line-height: 2;
  padding: 1rem 1.1rem;
  resize: vertical;
  outline: none;
  transition: border-color .2s, box-shadow .2s;
  direction: rtl;
}
.verse-textarea::placeholder {
  color: var(--text-dim);
  font-size: 1.2rem;
  line-height: 2.2;
}
.verse-textarea:focus {
  border-color: var(--gold-dim);
  box-shadow: 0 0 0 3px rgba(201,168,76,.12);
}

/* ── Quick examples ── */
.examples {
  margin-top: .85rem;
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  align-items: center;
}
.examples-label {
  font-size: .78rem;
  color: var(--text-dim);
  flex-shrink: 0;
}
.example-chip {
  background: var(--surface3);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: .25rem .75rem;
  font-size: .8rem;
  font-family: 'Amiri', serif;
  color: var(--text-dim);
  cursor: pointer;
  transition: all .18s;
  white-space: nowrap;
}
.example-chip:hover {
  background: var(--surface2);
  border-color: var(--gold-dim);
  color: var(--gold-light);
}

/* ── Actions ── */
.actions {
  display: flex;
  gap: .75rem;
  margin-top: 1rem;
  justify-content: flex-start;
}
.btn-validate {
  display: flex;
  align-items: center;
  gap: .55rem;
  background: linear-gradient(135deg, #2e7d52, #1f5e3b);
  border: 1px solid var(--green);
  color: #fff;
  font-family: 'Cairo', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  padding: .7rem 1.75rem;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all .2s;
  letter-spacing: .02em;
}
.btn-validate:hover:not(:disabled) {
  background: linear-gradient(135deg, #3da368, #2e7d52);
  box-shadow: 0 4px 16px rgba(46,125,82,.4);
  animation: pulse-ring 1.2s ease-out;
}
.btn-validate:disabled {
  opacity: .55;
  cursor: not-allowed;
}
.btn-validate .spinner {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255,255,255,.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin .7s linear infinite;
}

.btn-clear {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  font-family: 'Cairo', sans-serif;
  font-size: .9rem;
  padding: .7rem 1.2rem;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all .2s;
}
.btn-clear:hover { border-color: var(--text-dim); color: var(--text); }

/* ── Result card ── */
.result-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(0,0,0,.3);
}

/* ── Verdict banner ── */
.verdict-banner {
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}
.verdict-banner.correct {
  background: linear-gradient(135deg, rgba(82,201,123,.15), rgba(46,125,82,.08));
  border-bottom: 1px solid rgba(82,201,123,.25);
}
.verdict-banner.incorrect {
  background: linear-gradient(135deg, rgba(224,82,82,.12), rgba(150,50,50,.06));
  border-bottom: 1px solid rgba(224,82,82,.2);
}
.verdict-icon {
  font-size: 2.5rem;
  line-height: 1;
  flex-shrink: 0;
}
.verdict-text h2 {
  font-family: 'Amiri', serif;
  font-size: 1.5rem;
  font-weight: 700;
}
.verdict-banner.correct  .verdict-text h2 { color: var(--ok); }
.verdict-banner.incorrect .verdict-text h2 { color: var(--sub); }
.verdict-text p {
  font-size: .85rem;
  color: var(--text-dim);
  margin-top: .2rem;
}

/* ── Verse info ── */
.verse-info {
  display: flex;
  gap: .75rem;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}
.verse-badge {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: .4rem .9rem;
  font-size: .82rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .1rem;
}
.verse-badge .badge-label {
  color: var(--text-dim);
  font-size: .7rem;
  text-transform: uppercase;
  letter-spacing: .05em;
}
.verse-badge .badge-value {
  color: var(--gold-light);
  font-weight: 600;
  font-family: 'Amiri', serif;
}
.match-type-badge {
  border-radius: 20px;
  padding: .3rem .85rem;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .04em;
  align-self: center;
  margin-right: auto;
}
.match-exact   { background: rgba(82,201,123,.15); color: var(--ok); border: 1px solid rgba(82,201,123,.3); }
.match-lemma   { background: rgba(82,130,224,.15); color: #82a8e8; border: 1px solid rgba(82,130,224,.3); }
.match-root    { background: rgba(201,168,76,.15);  color: var(--gold); border: 1px solid rgba(201,168,76,.3); }
.match-fuzzy   { background: rgba(224,156,82,.15); color: #e8a85a; border: 1px solid rgba(224,156,82,.3); }

/* ── WER gauge ── */
.wer-section {
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
}
.wer-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: .5rem;
}
.wer-label { font-size: .8rem; color: var(--text-dim); }
.wer-value { font-size: .9rem; font-weight: 700; }
.wer-bar-bg {
  height: 8px;
  background: var(--surface3);
  border-radius: 4px;
  overflow: hidden;
}
.wer-bar-fill {
  height: 100%;
  border-radius: 4px;
  transition: width .6s cubic-bezier(.4,0,.2,1);
}
.wer-ok     { background: linear-gradient(90deg, #52c97b, #3da368); }
.wer-low    { background: linear-gradient(90deg, #c9c952, #a3a33d); }
.wer-mid    { background: linear-gradient(90deg, #e09c52, #b07030); }
.wer-high   { background: linear-gradient(90deg, #e05252, #b03030); }

/* ── Mistakes list ── */
.mistakes-section {
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
}
.section-title {
  font-size: .82rem;
  color: var(--text-dim);
  font-weight: 600;
  letter-spacing: .06em;
  margin-bottom: .85rem;
  display: flex;
  align-items: center;
  gap: .5rem;
}
.section-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.mistakes-list {
  display: flex;
  flex-direction: column;
  gap: .55rem;
}
.mistake-row {
  display: flex;
  align-items: flex-start;
  gap: .75rem;
  padding: .65rem .9rem;
  border-radius: var(--radius);
  font-size: .92rem;
  font-family: 'Amiri', serif;
  line-height: 1.6;
  animation: fadeUp .3s ease both;
}
.mistake-row.sub { background: rgba(224,82,82,.08);  border: 1px solid rgba(224,82,82,.2); }
.mistake-row.del { background: rgba(224,156,82,.08); border: 1px solid rgba(224,156,82,.2); }
.mistake-row.ins { background: rgba(82,130,224,.08); border: 1px solid rgba(82,130,224,.2); }

.mistake-tag {
  font-size: .65rem;
  font-weight: 700;
  letter-spacing: .06em;
  padding: .2rem .55rem;
  border-radius: 10px;
  flex-shrink: 0;
  margin-top: .2rem;
  font-family: 'Cairo', sans-serif;
}
.mistake-row.sub .mistake-tag { background: rgba(224,82,82,.2);  color: var(--sub); }
.mistake-row.del .mistake-tag { background: rgba(224,156,82,.2); color: var(--del); }
.mistake-row.ins .mistake-tag { background: rgba(82,130,224,.2); color: var(--ins); }

.mistake-text { color: var(--text); }
.mistake-text .word-wrong   { color: var(--sub);  font-weight: 700; }
.mistake-text .word-correct { color: var(--ok);   font-weight: 700; }
.mistake-text .word-missing { color: var(--del);  font-weight: 700; }
.mistake-text .word-extra   { color: var(--ins);  font-weight: 700; }
.arrow { color: var(--text-dim); margin: 0 .3rem; }

.no-mistakes {
  text-align: center;
  padding: .75rem;
  color: var(--ok);
  font-size: .9rem;
}

/* ── Correct verse display ── */
.verse-display {
  padding: 1.25rem 1.5rem;
}
.correct-verse {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.2rem 1.5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.correct-verse::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(201,168,76,.04), transparent);
  pointer-events: none;
}
.correct-verse-text {
  font-family: 'Amiri Quran', 'Amiri', serif;
  font-size: 1.75rem;
  line-height: 2.2;
  color: var(--gold-light);
  direction: rtl;
}
.correct-verse-meta {
  margin-top: .5rem;
  font-size: .8rem;
  color: var(--text-dim);
}

/* ── Stats row ── */
.stats-row {
  display: flex;
  gap: .5rem;
  padding: 0 1.5rem 1.25rem;
  flex-wrap: wrap;
}
.stat-chip {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: .35rem .8rem;
  font-size: .78rem;
  color: var(--text-dim);
  display: flex;
  gap: .3rem;
  align-items: center;
}
.stat-chip span { color: var(--gold); font-weight: 600; }

/* ── Empty state ── */
.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-dim);
}
.empty-icon {
  font-size: 3.5rem;
  margin-bottom: 1rem;
  opacity: .4;
}
.empty-state p { font-family: 'Amiri', serif; font-size: 1.1rem; }

/* ── Footer ── */
.footer {
  text-align: center;
  color: var(--text-dim);
  font-size: .78rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

/* ── Tashkeel section ── */
.tashkeel-section { padding: 0 1.5rem 1rem; }
.tashkeel-list { display: flex; flex-direction: column; gap: .4rem; }
.tashkeel-row {
  display: flex;
  gap: .75rem;
  align-items: baseline;
  padding: .4rem .8rem;
  background: rgba(201,168,76,.06);
  border: 1px solid rgba(201,168,76,.2);
  border-radius: 8px;
  font-size: .87rem;
}
.tashkeel-word { color: var(--gold-light); font-family: 'Amiri', serif; font-weight: 700; }
.tashkeel-detail { color: var(--text-dim); }
.tashkeel-detail em { font-style: normal; color: var(--text); }

/* ── Multi-verse accordion ── */
.verses-accord-list { display: flex; flex-direction: column; gap: .4rem; padding: 0 1.5rem 1rem; }

.verse-accord {
  border-radius: var(--radius);
  overflow: hidden;
  animation: fadeUp .35s ease both;
}
.verse-accord.accord-ok  { border: 1px solid rgba(82,201,123,.2); }
.verse-accord.accord-err { border: 1px solid rgba(224,82,82,.2); }

.accord-header {
  width: 100%;
  display: flex;
  align-items: center;
  gap: .6rem;
  padding: .65rem 1rem;
  background: var(--surface2);
  border: none;
  cursor: pointer;
  text-align: right;
  direction: rtl;
  color: var(--text);
  font-family: 'Cairo', sans-serif;
  font-size: .92rem;
  transition: background .15s;
}
.accord-header:hover { background: var(--surface3); }
.accord-ok  .accord-header { background: rgba(82,201,123,.06); }
.accord-err .accord-header { background: rgba(224,82,82,.06); }

.accord-icon  { font-size: .9rem; flex-shrink: 0; }
.accord-key   { font-weight: 700; color: var(--gold); min-width: 50px; }
.accord-surah { color: var(--text-dim); font-size: .82rem; }
.accord-wer   { font-size: .78rem; font-weight: 600; margin-right: auto; }
.accord-chevron { margin-right: auto; color: var(--text-dim); display: flex; }

.accord-body {
  padding: .75rem 1rem;
  background: var(--surface);
  border-top: 1px solid var(--border);
}

/* ── Responsive ── */
@media (max-width: 600px) {
  .header h1 { font-size: 1.8rem; }
  .verse-textarea { font-size: 1.3rem; }
  .correct-verse-text { font-size: 1.4rem; }
  .verse-info { gap: .5rem; }
  .verses-accord-list { padding: 0 .75rem 1rem; }
}