/* ============================================================
   ML Services Hub — "Scientific Field Catalogue" theme
   Bone paper · black ink · vermilion accent.
   Fraunces (display/serif) + JetBrains Mono (data/labels).
   ============================================================ */

:root {
  --paper:    #E8E1D0;   /* warm bone table surface          */
  --card:     #F3EFE3;   /* lighter specimen card            */
  --ink:      #181511;   /* near-black ink                   */
  --ink-soft: #4A443A;   /* secondary ink                    */
  --muted:    #837A66;   /* mono labels, captions            */
  --line:     #C9BFA6;   /* rules / hairlines                */
  --line-2:   #D8D0BC;   /* faint rules                      */
  --accent:   #CE3A14;   /* vermilion                        */
  --accent-d: #A02C0E;   /* deep vermilion                   */
  --teal:     #1F4D45;   /* secondary (LOC entities)         */
  --ochre:    #8A5E12;   /* tertiary (MISC entities)         */

  --serif: "Fraunces", Georgia, "Times New Roman", serif;
  --mono:  "JetBrains Mono", ui-monospace, "SFMono-Regular", monospace;
}

* { box-sizing: border-box; }

html { -webkit-font-smoothing: antialiased; }

body {
  margin: 0;
  font-family: var(--serif);
  font-optical-sizing: auto;
  color: var(--ink);
  background-color: var(--paper);
  line-height: 1.6;
  position: relative;
}

/* Paper grain — subtle fractal-noise overlay */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.5;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.045'/%3E%3C/svg%3E");
}

::selection { background: var(--accent); color: var(--paper); }

a { color: inherit; }

/* ---------- Top bar ---------- */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 36px;
  border-bottom: 1.5px solid var(--ink);
  background: var(--paper);
  position: sticky;
  top: 0;
  z-index: 50;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-weight: 600;
}
.brand-glyph {
  font-size: 1.25rem;
  color: var(--accent);
  transition: transform 0.6s cubic-bezier(.2,.8,.2,1);
}
.brand:hover .brand-glyph { transform: rotate(180deg); }
.brand-name {
  font-family: var(--mono);
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.topnav { display: flex; align-items: center; gap: 22px; }
.topnav-meta {
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  color: var(--muted);
}
.topnav-link {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1.5px solid var(--accent);
}
.topnav-link:hover { color: var(--accent); }

/* ---------- Layout ---------- */
.content { max-width: 1120px; margin: 0 auto; padding: 48px 36px 40px; }

/* ---------- Flash ---------- */
.flash-area { max-width: 1120px; margin: 0 auto; padding: 0 36px; }
.flash {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-top: 22px;
  padding: 14px 18px;
  font-family: var(--mono);
  font-size: 0.82rem;
  background: var(--card);
  border: 1.5px solid var(--ink);
  border-left-width: 6px;
}
.flash-tag {
  font-size: 0.6rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 3px 7px;
  color: var(--paper);
  background: var(--ink);
}
.flash-error   { border-left-color: var(--accent); }
.flash-error .flash-tag   { background: var(--accent); }
.flash-success { border-left-color: var(--teal); }
.flash-success .flash-tag { background: var(--teal); }
.flash-info    { border-left-color: var(--ochre); }
.flash-info .flash-tag    { background: var(--ochre); }

/* ============================================================
   MASTHEAD (home hero)
   ============================================================ */
.masthead { padding: 26px 0 38px; border-bottom: 2.5px solid var(--ink); }
.masthead-top {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  padding-bottom: 30px;
}
.kicker {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
}
.masthead-title {
  font-weight: 600;
  font-size: clamp(3rem, 9vw, 7rem);
  line-height: 0.92;
  letter-spacing: -0.02em;
  margin: 0;
  animation: rise 0.9s cubic-bezier(.2,.8,.2,1) both;
}
.masthead-title em {
  font-style: italic;
  font-weight: 400;
  color: var(--accent);
}
.masthead-foot {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 40px;
  margin-top: 34px;
  flex-wrap: wrap;
}
.lede {
  max-width: 560px;
  font-size: 1.18rem;
  line-height: 1.5;
  color: var(--ink-soft);
  margin: 0;
  animation: rise 0.9s 0.1s cubic-bezier(.2,.8,.2,1) both;
}
.masthead-count {
  font-family: var(--serif);
  font-size: 1rem;
  text-align: right;
  color: var(--ink);
  line-height: 1;
  white-space: nowrap;
}
.masthead-count b {
  font-size: 3.2rem;
  font-weight: 600;
  display: inline-block;
  vertical-align: -0.55em;
}
.masthead-count span {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  display: inline-block;
  margin-left: 8px;
  vertical-align: top;
}

@keyframes rise {
  from { opacity: 0; transform: translateY(26px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   GROUPS + ENTRIES (catalogue)
   ============================================================ */
.group { margin-top: 46px; }
.group-head {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 6px;
}
.group-num {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--accent);
  letter-spacing: 0.1em;
}
.group-title {
  font-family: var(--mono);
  font-size: 0.82rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-weight: 700;
  margin: 0;
}
.group-rule {
  flex: 1;
  height: 1.5px;
  background: var(--line);
}
.group-count {
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.entries { border-top: 1.5px solid var(--ink); }

.entry {
  display: grid;
  grid-template-columns: 84px 1fr auto;
  align-items: center;
  gap: 20px;
  padding: 22px 14px;
  text-decoration: none;
  border-bottom: 1.5px solid var(--line);
  position: relative;
  overflow: hidden;
  animation: rise 0.7s both;
  animation-delay: calc(var(--d) * 0.06s + 0.15s);
  transition: color 0.35s ease;
}
/* ink wipe on hover */
.entry::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--ink);
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform 0.4s cubic-bezier(.2,.8,.2,1);
  z-index: 0;
}
.entry:hover::before { transform: scaleY(1); }
.entry:hover { color: var(--paper); }
.entry > * { position: relative; z-index: 1; }

.entry-no {
  font-family: var(--serif);
  font-size: 2.6rem;
  font-weight: 500;
  font-feature-settings: "ss01";
  color: var(--accent);
  line-height: 1;
  transition: transform 0.4s cubic-bezier(.2,.8,.2,1);
}
.entry:hover .entry-no { transform: translateX(6px); color: var(--accent); }

.entry-name {
  font-size: 1.55rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  margin: 0 0 2px;
}
.entry-desc {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.01em;
  color: var(--muted);
  margin: 0;
  transition: color 0.35s ease;
}
.entry:hover .entry-desc { color: #C9BFA6; }

.entry-open {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}
.entry-arrow { transition: transform 0.35s cubic-bezier(.2,.8,.2,1); }
.entry:hover .entry-arrow { transform: translateX(8px); }

/* ============================================================
   SERVICE PAGES
   ============================================================ */
.svc-back {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--ink);
  margin-bottom: 26px;
  border-bottom: 1.5px solid transparent;
  transition: border-color 0.2s, color 0.2s;
}
.svc-back:hover { color: var(--accent); border-bottom-color: var(--accent); }

.svc-header {
  padding-bottom: 22px;
  margin-bottom: 30px;
  border-bottom: 2.5px solid var(--ink);
}
.svc-header h1 {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1;
  margin: 0 0 14px;
}
.svc-model {
  font-family: var(--mono);
  font-size: 0.8rem;
  line-height: 1.6;
  color: var(--ink-soft);
  max-width: 70ch;
  margin: 0;
}
.svc-model code {
  background: var(--ink);
  color: var(--paper);
  padding: 1px 6px;
  font-size: 0.74rem;
}

/* Panels = specimen frames */
.panel {
  background: var(--card);
  border: 1.5px solid var(--ink);
  padding: 28px;
  margin-bottom: 26px;
  box-shadow: 7px 7px 0 var(--line);
}
.panel h2 {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-weight: 700;
  margin: 0 0 20px;
  padding-bottom: 12px;
  border-bottom: 1.5px solid var(--line);
}

/* Forms */
label {
  display: block;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 18px 0 7px;
}
input[type="text"], input[type="number"], textarea, input[type="file"] {
  width: 100%;
  padding: 11px 13px;
  font-family: var(--mono);
  font-size: 0.9rem;
  color: var(--ink);
  background: var(--paper);
  border: 1.5px solid var(--ink);
  border-radius: 0;
  transition: box-shadow 0.15s, border-color 0.15s;
}
input:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 3px 3px 0 var(--accent);
}
textarea { min-height: 120px; resize: vertical; line-height: 1.6; }
input[type="checkbox"] { accent-color: var(--accent); transform: scale(1.15); margin-right: 6px; }
.row { display: flex; gap: 18px; flex-wrap: wrap; }
.row > div { flex: 1; min-width: 150px; }

.btn {
  margin-top: 24px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--paper);
  background: var(--ink);
  border: 1.5px solid var(--ink);
  padding: 14px 28px;
  border-radius: 0;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, transform 0.1s;
}
.btn:hover { background: var(--accent); border-color: var(--accent); }
.btn:active { transform: translate(2px, 2px); }
.btn:disabled { opacity: 0.55; cursor: not-allowed; }

.hint {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--muted);
  margin-top: 8px;
  line-height: 1.5;
}

/* Spinner */
.spinner {
  display: none;
  width: 14px; height: 14px;
  border: 2px solid rgba(232,225,208,0.4);
  border-top-color: var(--paper);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Results ---------- */
.result-img, .preview-img {
  max-width: 100%;
  border: 1.5px solid var(--ink);
  background: var(--paper);
  display: block;
}
.preview-img { max-height: 280px; margin-top: 14px; }

/* Instrument-style metric readouts */
.metrics {
  display: flex;
  gap: 0;
  flex-wrap: wrap;
  margin: 4px 0 22px;
  border: 1.5px solid var(--ink);
}
.metric {
  flex: 1;
  min-width: 130px;
  padding: 16px 20px;
  border-right: 1.5px solid var(--line);
  background: var(--paper);
}
.metric:last-child { border-right: none; }
.metric .val {
  font-family: var(--serif);
  font-size: 2rem;
  font-weight: 600;
  line-height: 1;
  color: var(--ink);
}
.metric .lbl {
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 8px;
}

/* Tables — ruled ledger */
table.data {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--mono);
  font-size: 0.8rem;
  margin-top: 10px;
}
table.data th, table.data td {
  text-align: left;
  padding: 10px 14px;
  border-bottom: 1.5px solid var(--line);
}
table.data th {
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--paper);
  background: var(--ink);
  border-bottom: none;
}
table.data tr:hover td { background: rgba(206,58,20,0.06); }

/* ---------- NER highlights ---------- */
.ner-text {
  font-family: var(--serif);
  font-size: 1.22rem;
  line-height: 2.3;
}
.ent {
  padding: 2px 6px;
  border-bottom: 2.5px solid;
  font-weight: 500;
  white-space: nowrap;
}
.ent-PER  { background: rgba(206,58,20,0.12); border-color: var(--accent); }
.ent-ORG  { background: rgba(24,21,17,0.09);  border-color: var(--ink); }
.ent-LOC  { background: rgba(31,77,69,0.13);  border-color: var(--teal); }
.ent-MISC { background: rgba(138,94,18,0.13); border-color: var(--ochre); }
.ent-tag {
  font-family: var(--mono);
  font-size: 0.5rem;
  letter-spacing: 0.1em;
  vertical-align: super;
  margin-left: 3px;
  opacity: 0.65;
}

/* ---------- Translation RTL ---------- */
.urdu {
  font-family: "Noto Nastaliq Urdu", serif;
  direction: rtl;
  text-align: right;
  font-size: 1.7rem;
  line-height: 2.6;
  color: var(--ink);
}

/* ---------- Generated text ---------- */
.gen-out {
  white-space: pre-wrap;
  font-size: 1.12rem;
  line-height: 1.7;
}
.gen-prompt {
  background: var(--ink);
  color: var(--paper);
  padding: 1px 5px;
}

audio { width: 100%; margin-top: 10px; filter: grayscale(0.4) contrast(1.05); }

/* ---------- Footer ---------- */
.footer {
  display: flex;
  align-items: center;
  gap: 18px;
  max-width: 1120px;
  margin: 60px auto 0;
  padding: 22px 36px 40px;
  border-top: 1.5px solid var(--ink);
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}
.footer-rule { flex: 1; height: 1px; background: var(--line); }

.coming-soon { font-family: var(--mono); font-size: 0.82rem; color: var(--muted); }

/* ---------- Responsive ---------- */
@media (max-width: 680px) {
  .topbar, .content, .flash-area, .footer { padding-left: 20px; padding-right: 20px; }
  .entry { grid-template-columns: 56px 1fr; gap: 14px; }
  .entry-open { display: none; }
  .entry-no { font-size: 2rem; }
  .entry-name { font-size: 1.25rem; }
  .metric { min-width: 50%; border-bottom: 1.5px solid var(--line); }
  .panel { padding: 20px; box-shadow: 4px 4px 0 var(--line); }
}