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

:root {
  --bg:           oklch(8% 0.022 160);
  --surface:      oklch(12% 0.022 160);
  --surface-hi:   oklch(16% 0.020 160);
  --input-bg:     oklch(5.5% 0.018 160);
  --border:       oklch(21% 0.020 160);
  --border-hi:    oklch(30% 0.020 160);

  --text-1: oklch(90% 0.010 150);
  --text-2: oklch(63% 0.010 150);
  --text-3: oklch(40% 0.010 150);

  /* GFP bioluminescent green */
  --green:      oklch(83% 0.240 148);
  --green-hi:   oklch(90% 0.210 148);
  --green-dim:  oklch(52% 0.175 148);
  --green-bg:   oklch(15% 0.055 148);
  --green-glow: oklch(83% 0.240 148 / 0.16);

  --warn-bg:     oklch(14% 0.036 80);
  --warn-edge:   oklch(63% 0.145 80);
  --warn-text:   oklch(78% 0.110 80);
  --err-bg:      oklch(12% 0.034 22);
  --err-edge:    oklch(55% 0.150 22);
  --err-text:    oklch(72% 0.120 22);

  --ocean:       oklch(9.5% 0.030 240);
  --land:        oklch(18% 0.020 160);

  --ff-display: 'Cormorant Garamond', Georgia, serif;
  --ff-ui:      'IBM Plex Sans', system-ui, sans-serif;
  --ff-mono:    'JetBrains Mono', monospace;

  --r: 6px;
  --r-lg: 10px;
}

html { font-size: 16px; -webkit-font-smoothing: antialiased; }

body {
  font-family: var(--ff-ui);
  background: var(--bg);
  color: var(--text-1);
  line-height: 1.55;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Dot-grid texture */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: radial-gradient(oklch(28% 0.015 160) 0.8px, transparent 0.8px);
  background-size: 22px 22px;
  opacity: 0.35;
  pointer-events: none;
  z-index: 0;
}

/* Everything floats above the texture */
.site-header, .main, .site-footer, .model-warn { position: relative; z-index: 1; }

/* ── Header ───────────────────────────────────────────────────── */

.site-header {
  background: oklch(9.5% 0.022 160 / 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

/* Thin accent glow at the header base */
.site-header::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 25%;
  right: 25%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--green-dim), transparent);
  opacity: 0.4;
}

.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 13px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  font-family: var(--ff-display);
  font-style: italic;
  font-weight: 600;
  font-size: 1.5rem;
  color: var(--green);
  text-shadow: 0 0 28px var(--green-glow);
  letter-spacing: 0.01em;
}

.model-status {
  display: flex;
  align-items: center;
  gap: 7px;
}

.status-pip {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 10px var(--green), 0 0 22px oklch(83% 0.240 148 / 0.25);
  transition: background 0.4s, box-shadow 0.4s;
  flex-shrink: 0;
}

.status-pip.loading {
  background: var(--warn-edge);
  box-shadow: 0 0 8px var(--warn-edge);
  animation: blink 1.8s ease-in-out infinite;
}

@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0.2; } }

.status-label {
  font-family: var(--ff-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.04em;
  color: var(--text-3);
}

/* ── Model warning banner ─────────────────────────────────────── */

.model-warn {
  background: var(--warn-bg);
  border-bottom: 1px solid var(--warn-edge);
  color: var(--warn-text);
  font-size: 0.8125rem;
  padding: 9px 32px;
  display: flex;
  align-items: center;
  gap: 9px;
  justify-content: center;
  z-index: 99;
  position: relative;
}

.model-warn[hidden] { display: none; }

.warn-pip {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--warn-edge);
  flex-shrink: 0;
  animation: blink 1.8s ease-in-out infinite;
}

/* ── Main ─────────────────────────────────────────────────────── */

.main {
  max-width: 1100px;
  width: 100%;
  margin: 0 auto;
  padding: 48px 32px 80px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* ── Input panel ──────────────────────────────────────────────── */

.input-panel {
  /* Centered, constrained width */
  max-width: 680px;
  width: 100%;
  margin: 0 auto;
}

.input-panel-inner {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 28px 28px 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  position: relative;
}

/* Top-edge accent line */
.input-panel-inner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 15%;
  right: 15%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--green-dim), transparent);
  opacity: 0.5;
}

.seq-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.seq-label {
  font-family: var(--ff-mono);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.10em;
  color: var(--green-dim);
}

.seq-count {
  font-family: var(--ff-mono);
  font-size: 0.6875rem;
  color: var(--text-3);
  font-variant-numeric: tabular-nums;
}

.seq-wrap { position: relative; }

.seq-textarea {
  font-family: var(--ff-mono);
  font-size: 0.8125rem;
  line-height: 1.75;
  color: oklch(85% 0.018 148);
  background: var(--input-bg);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 14px 16px;
  width: 100%;
  min-height: 130px;
  resize: vertical;
  outline: none;
  caret-color: var(--green);
  word-break: break-all;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.seq-textarea::placeholder { color: var(--text-3); font-style: italic; }

.seq-textarea:focus {
  border-color: var(--border-hi);
  box-shadow: 0 0 0 3px oklch(83% 0.240 148 / 0.07);
}

.seq-textarea.invalid { border-color: var(--err-edge); }

/* Scanline animation on focus */
.seq-scanline {
  position: absolute;
  inset: 0;
  pointer-events: none;
  border-radius: var(--r);
  overflow: hidden;
  opacity: 0;
  transition: opacity 0.3s;
}

.seq-wrap:focus-within .seq-scanline { opacity: 1; }

.seq-scanline::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  height: 1.5px;
  background: linear-gradient(90deg, transparent 5%, var(--green-dim) 35%, var(--green) 50%, var(--green-dim) 65%, transparent 95%);
  opacity: 0.45;
  animation: scan 4s linear infinite;
}

@keyframes scan {
  0%   { top: 0%;   opacity: 0; }
  5%   { opacity: 0.45; }
  95%  { opacity: 0.45; }
  100% { top: 100%; opacity: 0; }
}

.seq-error {
  font-size: 0.8125rem;
  color: var(--err-text);
  margin-top: -6px;
}

.seq-error[hidden] { display: none; }

/* ── Panel actions ────────────────────────────────────────────── */

.panel-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--ff-ui);
  font-size: 0.8125rem;
  font-weight: 500;
  border-radius: var(--r);
  padding: 8px 14px;
  cursor: pointer;
  transition: 0.15s;
  white-space: nowrap;
  text-decoration: none;
  user-select: none;
  border: 1px solid var(--border);
  color: var(--text-2);
  background: transparent;
}

.btn:hover { border-color: var(--border-hi); color: var(--text-1); background: var(--surface-hi); }

.btn-link {
  background: none;
  border: none;
  font-family: var(--ff-ui);
  font-size: 0.8125rem;
  color: var(--text-3);
  cursor: pointer;
  padding: 8px 0;
  text-decoration: underline;
  text-decoration-color: var(--border);
  text-underline-offset: 3px;
  transition: color 0.15s, text-decoration-color 0.15s;
}

.btn-link:hover { color: var(--text-2); text-decoration-color: var(--border-hi); }

.topn-wrap {
  display: flex;
  align-items: center;
  gap: 7px;
  margin-left: auto;
}

.topn-label {
  font-family: var(--ff-mono);
  font-size: 0.75rem;
  color: var(--text-3);
}

.topn-stepper {
  display: flex;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: var(--r);
  overflow: hidden;
  background: var(--surface);
}

.stepper-btn {
  width: 28px;
  height: 28px;
  background: none;
  border: none;
  font-family: var(--ff-mono);
  font-size: 1rem;
  color: var(--text-3);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.12s, color 0.12s;
}

.stepper-btn:hover:not(:disabled) { background: var(--surface-hi); color: var(--text-1); }
.stepper-btn:disabled { opacity: 0.2; cursor: default; }

.stepper-val {
  font-family: var(--ff-mono);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-1);
  width: 26px;
  text-align: center;
  border-inline: 1px solid var(--border);
  line-height: 28px;
}

.btn-primary {
  font-family: var(--ff-mono);
  font-size: 0.8125rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: oklch(8% 0.018 160);
  background: var(--green);
  border-color: transparent;
  padding: 9px 22px;
  min-width: 120px;
  justify-content: center;
  box-shadow: 0 0 18px var(--green-glow);
}

.btn-primary:hover:not(:disabled) {
  background: var(--green-hi);
  box-shadow: 0 0 30px oklch(83% 0.240 148 / 0.28);
  color: oklch(8% 0.018 160);
  border-color: transparent;
}

.btn-primary:disabled { opacity: 0.35; box-shadow: none; cursor: default; }

.btn-chevron {
  font-size: 1rem;
  transition: transform 0.15s;
}

.btn-primary:hover:not(:disabled) .btn-chevron { transform: translateX(2px); }
.btn-chevron[hidden], .btn-spin[hidden] { display: none; }

.btn-spin {
  width: 12px;
  height: 12px;
  border: 1.5px solid oklch(8% 0.018 160 / 0.3);
  border-top-color: oklch(8% 0.018 160);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  flex-shrink: 0;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ── Alerts ───────────────────────────────────────────────────── */

.api-error, .trunc-warn {
  font-size: 0.8125rem;
  border-radius: var(--r);
  padding: 11px 16px;
  border: 1px solid;
  max-width: 680px;
  margin: 0 auto;
  width: 100%;
}

.api-error[hidden], .trunc-warn[hidden] { display: none; }
.api-error  { background: var(--err-bg);  border-color: var(--err-edge);  color: var(--err-text); }
.trunc-warn { background: var(--warn-bg); border-color: var(--warn-edge); color: var(--warn-text); }

/* ── Results grid ─────────────────────────────────────────────── */

.results[hidden] { display: none; }

.results {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* Cards */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 28px 32px;
  position: relative;
  overflow: hidden;
}

/* Subtle top-edge glow on each card */
.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 12%;
  right: 12%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--green-dim), transparent);
  opacity: 0.5;
}

/* Staggered card entrance */
.card-species { animation: rise 0.38s cubic-bezier(0.16, 1, 0.3, 1) both; }
.card-host    { animation: rise 0.38s cubic-bezier(0.16, 1, 0.3, 1) 80ms both; }
.card-geo     { animation: rise 0.38s cubic-bezier(0.16, 1, 0.3, 1) 160ms both; }

@keyframes rise {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Eyebrow row */
.card-eyebrow {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 22px;
}

.eyebrow-text {
  font-family: var(--ff-mono);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.10em;
  color: var(--green-dim);
  flex-shrink: 0;
}

.eyebrow-line {
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ── Species card ─────────────────────────────────────────────── */

.card-species { padding-bottom: 24px; }

.species-body {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 16px;
}

.species-name {
  font-family: var(--ff-display);
  font-style: italic;
  font-weight: 500;
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  line-height: 1.1;
  letter-spacing: 0.01em;
  color: var(--text-1);
  flex: 1;
  min-width: 0;
}

.species-conf {
  font-family: var(--ff-mono);
  font-size: clamp(1.375rem, 3vw, 2rem);
  font-weight: 500;
  color: var(--green);
  text-shadow: 0 0 20px var(--green-glow);
  flex-shrink: 0;
  font-variant-numeric: tabular-nums;
  padding-top: 6px;
}

.species-bar-track {
  height: 4px;
  background: oklch(8% 0.016 160);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: 16px;
}

.species-bar-fill {
  height: 100%;
  width: 0;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--green-dim), var(--green));
  box-shadow: 2px 0 14px var(--green-glow);
  transition: width 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Ranked predictions */
.species-ranked { margin-top: 4px; }
.species-ranked[hidden] { display: none; }

.ranked-toggle {
  background: none;
  border: none;
  font-family: var(--ff-ui);
  font-size: 0.8125rem;
  color: var(--text-3);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 3px 0;
  transition: color 0.14s;
}

.ranked-toggle:hover { color: var(--green-dim); }

.toggle-chevron {
  transition: transform 0.22s cubic-bezier(0.16, 1, 0.3, 1);
  flex-shrink: 0;
}

.ranked-toggle[aria-expanded="true"] .toggle-chevron { transform: rotate(180deg); }

.ranked-rows {
  margin-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.ranked-rows[hidden] { display: none; }

.ranked-row {
  display: grid;
  grid-template-columns: 20px 1fr auto;
  gap: 8px;
  align-items: baseline;
  font-size: 0.8125rem;
}

.rk-num   { font-family: var(--ff-mono); color: var(--text-3); font-variant-numeric: tabular-nums; }
.rk-label { color: var(--text-2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.rk-conf  { font-family: var(--ff-mono); color: var(--text-3); font-variant-numeric: tabular-nums; }

.ranked-row.is-top .rk-label { color: var(--text-1); font-weight: 500; }
.ranked-row.is-top .rk-conf  { color: var(--green); text-shadow: 0 0 8px var(--green-glow); }

/* ── Lower grid (host + geo side by side) ─────────────────────── */

.lower-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 16px;
  align-items: start;
}

/* ── Host card ────────────────────────────────────────────────── */

.host-grid {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.host-row {
  display: grid;
  grid-template-columns: 52px 1fr auto;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: var(--r);
  transition: border-color 0.25s, background 0.25s, box-shadow 0.25s;
}

.host-row.is-predicted {
  background: var(--green-bg);
  border-color: var(--green-dim);
  box-shadow: 0 0 20px oklch(83% 0.240 148 / 0.08);
}

/* Mask-based icons */
.host-icon {
  width: 52px;
  height: 52px;
  flex-shrink: 0;
}

.host-icon-mask {
  width: 100%;
  height: 100%;
  background-color: var(--border-hi);
  -webkit-mask-size: contain;
  mask-size: contain;
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  -webkit-mask-position: center;
  mask-position: center;
  transition: background-color 0.25s, filter 0.25s;
}

.host-icon-rodent { -webkit-mask-image: url('images/mouse.svg'); mask-image: url('images/mouse.svg'); }
.host-icon-human  { -webkit-mask-image: url('images/human.svg'); mask-image: url('images/human.svg'); }

.host-row.is-predicted .host-icon-mask {
  background-color: var(--green);
  filter: drop-shadow(0 0 5px var(--green-glow));
}

.host-row.is-predicted .host-icon svg { color: var(--green); filter: drop-shadow(0 0 5px var(--green-glow)); }
.host-icon svg { width: 100%; height: 100%; color: var(--border-hi); transition: color 0.25s; }

.host-info {}

.host-name {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-2);
  transition: color 0.25s;
}

.host-row.is-predicted .host-name { color: var(--text-1); }


.host-conf-val {
  font-family: var(--ff-mono);
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--text-3);
  font-variant-numeric: tabular-nums;
  transition: color 0.25s, text-shadow 0.25s;
  text-align: right;
}

.host-row.is-predicted .host-conf-val {
  color: var(--green);
  text-shadow: 0 0 14px var(--green-glow);
  font-size: 1.25rem;
}

/* ── Geo card ─────────────────────────────────────────────────── */

.geo-hero {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 18px;
}

.geo-name {
  font-family: var(--ff-display);
  font-style: italic;
  font-weight: 500;
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
  line-height: 1.1;
  color: var(--text-1);
}

.geo-conf {
  font-family: var(--ff-mono);
  font-size: clamp(1.125rem, 2.5vw, 1.625rem);
  font-weight: 500;
  color: var(--green);
  text-shadow: 0 0 18px var(--green-glow);
  font-variant-numeric: tabular-nums;
}

.map-frame {
  border-radius: var(--r);
  overflow: hidden;
  background: var(--ocean);
  border: 1px solid var(--border);
  margin-bottom: 18px;
  line-height: 0;
}

.world-map { width: 100%; height: auto; display: block; }

/* Geo ranked dropdown */
.geo-ranked[hidden] { display: none; }
.geo-ranked { margin-top: 4px; }

.geo-list[hidden] { display: none; }

.geo-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.geo-item {
  display: grid;
  grid-template-columns: 20px 1fr auto;
  gap: 8px;
  align-items: baseline;
  font-size: 0.8125rem;
}

.geo-num   { font-family: var(--ff-mono); color: var(--text-3); font-variant-numeric: tabular-nums; }
.geo-label { color: var(--text-2); }
.geo-pct   { font-family: var(--ff-mono); color: var(--text-3); font-variant-numeric: tabular-nums; }

.geo-item.is-top .geo-label { color: var(--text-1); font-weight: 500; }
.geo-item.is-top .geo-pct   { color: var(--green); text-shadow: 0 0 8px var(--green-glow); }

/* ── Footer ───────────────────────────────────────────────────── */

.site-footer {
  border-top: 1px solid var(--border);
  padding: 16px 32px;
  font-size: 0.75rem;
  color: var(--text-3);
  text-align: center;
  position: relative;
  z-index: 1;
}

/* ── Responsive ───────────────────────────────────────────────── */

@media (max-width: 720px) {
  .main         { padding: 28px 18px 56px; }
  .header-inner { padding: 12px 18px; }
  .site-footer  { padding: 14px 18px; }
  .card         { padding: 22px 20px; }

  .lower-grid {
    grid-template-columns: 1fr;
  }

  .species-name { font-size: 1.625rem; }
  .species-conf { font-size: 1.375rem; }
  .geo-name     { font-size: 1.5rem; }
  .geo-conf     { font-size: 1.125rem; }

  .topn-wrap    { margin-left: 0; }
  .btn-primary  { width: 100%; margin-top: 4px; }
  .panel-actions { gap: 8px; }
}

@media (max-width: 400px) {
  .brand { font-size: 1.25rem; }
}