@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400;500;600&display=swap');

#tpe-app {
  --tpe-bg: #0A0D12;
  --tpe-panel: #12161D;
  --tpe-panel-raised: #171C25;
  --tpe-border: #232A35;
  --tpe-border-soft: #1A2028;
  --tpe-text: #E7EAEE;
  --tpe-text-muted: #838D99;
  --tpe-text-faint: #4B535E;
  --tpe-amber: #FF9F1C;
  --tpe-amber-dim: #6B4A16;
  --tpe-cyan: #22D3EE;
  --tpe-cyan-dim: #164A54;
  --tpe-mint: #3DDC97;
  --tpe-mint-dim: #164A38;
  --tpe-red: #FF5C5C;
  --tpe-font-display: 'Space Grotesk', sans-serif;
  --tpe-font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --tpe-font-mono: 'JetBrains Mono', ui-monospace, Consolas, monospace;

  max-width: 1180px;
  width: 100%;
  margin: 28px 0;
  padding: 28px;
  background: var(--tpe-bg);
  border-radius: 14px;
  font-family: var(--tpe-font-body);
  color: var(--tpe-text);
  background-image:
    radial-gradient(circle at 100% 0%, rgba(34, 211, 238, 0.05), transparent 40%),
    radial-gradient(circle at 0% 100%, rgba(255, 159, 28, 0.04), transparent 40%);
}
#tpe-app * { box-sizing: border-box; }
#tpe-app :focus-visible {
  outline: 2px solid var(--tpe-cyan);
  outline-offset: 2px;
}

/* ---------- Header ---------- */
.tpe-header { margin-bottom: 22px; }
.tpe-eyebrow {
  font-family: var(--tpe-font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--tpe-text-faint);
  margin-bottom: 6px;
}
.tpe-header-row { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px; }
.tpe-title {
  font-family: var(--tpe-font-display);
  font-weight: 600;
  font-size: 26px;
  letter-spacing: -0.01em;
  margin: 0;
  color: #fff;
}
.tpe-live {
  display: flex; align-items: center; gap: 7px;
  font-size: 12px; color: var(--tpe-text-muted);
  font-family: var(--tpe-font-mono);
}
.tpe-live-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--tpe-mint);
  box-shadow: 0 0 0 3px var(--tpe-mint-dim);
  animation: tpe-pulse 2.4s ease-in-out infinite;
}
@keyframes tpe-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.45; }
}
.tpe-user-block { display: flex; align-items: center; gap: 14px; }
.tpe-logout-link {
  font-size: 12px; color: var(--tpe-text-faint);
  text-decoration: none; font-family: var(--tpe-font-mono);
  border-bottom: 1px dotted var(--tpe-text-faint);
}
.tpe-logout-link:hover { color: var(--tpe-cyan); border-color: var(--tpe-cyan); }

/* ---------- Auth screen ---------- */
.tpe-auth-card {
  max-width: 420px;
  background: var(--tpe-panel);
  border: 1px solid var(--tpe-border-soft);
  border-radius: 12px;
  padding: 8px;
}
.tpe-auth-card .tpe-tabs { margin: 8px 8px 0; background: transparent; border: none; padding: 0; width: calc(100% - 16px); }
.tpe-auth-card .tpe-tab-btn { flex: 1; text-align: center; }
.tpe-auth-panel { padding: 20px; }
.tpe-auth-hint { font-size: 12px; color: var(--tpe-text-faint); margin-top: 12px; line-height: 1.5; }

/* ---------- Tabs ---------- */
.tpe-tabs {
  display: inline-flex; gap: 2px; padding: 3px;
  background: var(--tpe-panel);
  border: 1px solid var(--tpe-border-soft);
  border-radius: 9px;
  margin-bottom: 20px;
}
.tpe-tab-btn {
  background: none; border: none; border-radius: 7px;
  padding: 8px 16px; font-size: 13px; font-weight: 600;
  font-family: var(--tpe-font-body);
  color: var(--tpe-text-muted); cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}
.tpe-tab-btn:hover { color: var(--tpe-text); }
.tpe-tab-btn.active { background: var(--tpe-panel-raised); color: #fff; }

/* ---------- Panel / form ---------- */
.tpe-panel-card {
  background: var(--tpe-panel);
  border: 1px solid var(--tpe-border-soft);
  border-radius: 12px;
  padding: 22px;
}
.tpe-field { margin-bottom: 16px; }
.tpe-field label {
  display: block; font-size: 12px; font-weight: 600;
  color: var(--tpe-text-muted); margin-bottom: 7px;
  letter-spacing: 0.01em;
}
.tpe-field input[type=text],
.tpe-field input[type=number],
.tpe-field select,
.tpe-field textarea {
  width: 100%; padding: 10px 12px;
  background: var(--tpe-bg);
  border: 1px solid var(--tpe-border);
  border-radius: 7px;
  color: var(--tpe-text);
  font-size: 14px; font-family: var(--tpe-font-body);
  transition: border-color 0.15s ease;
}
.tpe-field input:focus, .tpe-field select:focus, .tpe-field textarea:focus {
  border-color: var(--tpe-cyan);
  outline: none;
}
.tpe-field textarea { font-family: var(--tpe-font-mono); font-size: 12.5px; line-height: 1.6; resize: vertical; }
.tpe-row { display: flex; gap: 16px; }
.tpe-row .tpe-field { flex: 1; }
.tpe-field-narrow { max-width: 130px; }
.tpe-input-suffix { position: relative; }
.tpe-input-suffix input { padding-right: 40px; }
.tpe-input-suffix span {
  position: absolute; right: 12px; top: 50%; transform: translateY(-50%);
  font-size: 12px; color: var(--tpe-text-faint); pointer-events: none;
}

.tpe-btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--tpe-amber); color: #1a1000; border: none;
  border-radius: 8px; padding: 12px 22px;
  font-size: 14px; font-weight: 600; font-family: var(--tpe-font-body);
  cursor: pointer; transition: background 0.15s ease, transform 0.1s ease;
}
.tpe-btn-primary:hover { background: #FFAF45; }
.tpe-btn-primary:active { transform: scale(0.98); }
.tpe-btn-primary:disabled { background: var(--tpe-amber-dim); color: var(--tpe-text-faint); cursor: not-allowed; }

.tpe-btn-copy {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--tpe-panel-raised); color: var(--tpe-text);
  border: 1px solid var(--tpe-border); border-radius: 7px;
  padding: 7px 14px; font-size: 12.5px; font-weight: 600;
  font-family: var(--tpe-font-body); cursor: pointer;
  transition: border-color 0.15s ease, color 0.15s ease;
}
.tpe-btn-copy:hover { border-color: var(--tpe-cyan); color: var(--tpe-cyan); }

.tpe-status { font-size: 13px; color: var(--tpe-text-muted); margin-top: 12px; min-height: 18px; }
.tpe-status.error { color: var(--tpe-red); }

/* ---------- Ranked options ---------- */
.tpe-target-info {
  font-family: var(--tpe-font-mono); font-size: 12px; color: var(--tpe-text-muted);
  margin-bottom: 12px; padding: 8px 12px; background: var(--tpe-panel);
  border: 1px solid var(--tpe-border-soft); border-radius: 6px; display: inline-block;
}
.tpe-ranking-heading {
  font-family: var(--tpe-font-display); font-weight: 600;
  font-size: 13px; text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--tpe-text-muted); margin: 0 0 10px 0;
}
.tpe-variant-tabs { display: flex; flex-direction: column; gap: 8px; margin-bottom: 16px; }
.tpe-rank-row {
  display: flex; align-items: center; gap: 14px;
  background: var(--tpe-panel); border: 1px solid var(--tpe-border);
  border-radius: 9px; padding: 12px 16px; cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease;
}
.tpe-rank-row:hover { border-color: var(--tpe-cyan); }
.tpe-rank-row.active { background: var(--tpe-panel-raised); border-color: var(--tpe-amber); }
.tpe-rank-num {
  font-family: var(--tpe-font-mono); font-size: 12px; font-weight: 600;
  color: var(--tpe-text-faint); min-width: 26px;
}
.tpe-rank-row.active .tpe-rank-num { color: var(--tpe-amber); }
.tpe-rank-main { flex: 1; min-width: 0; }
.tpe-rank-label { font-family: var(--tpe-font-display); font-weight: 600; font-size: 14px; color: #fff; }
.tpe-rank-reason { font-size: 12px; color: var(--tpe-text-muted); margin-top: 3px; line-height: 1.4; }
.tpe-rank-duration {
  font-family: var(--tpe-font-mono); font-size: 13px; font-weight: 600;
  color: var(--tpe-text-muted); white-space: nowrap; min-width: 40px; text-align: right;
}
.tpe-rank-score {
  font-family: var(--tpe-font-mono); font-weight: 600; font-size: 17px; color: var(--tpe-mint);
  white-space: nowrap;
}
.tpe-rank-score span { font-size: 11px; font-weight: 400; color: var(--tpe-text-faint); }

/* ---------- Why this works breakdown ---------- */
.tpe-breakdown { display: flex; flex-direction: column; gap: 6px; margin-bottom: 4px; }
.tpe-breakdown-row {
  display: flex; align-items: baseline; gap: 10px;
  padding: 8px 10px; background: var(--tpe-panel); border-radius: 6px;
  font-size: 12.5px;
}
.tpe-breakdown-role {
  font-family: var(--tpe-font-mono); font-size: 10.5px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.04em;
  padding: 2px 7px; border-radius: 4px; flex-shrink: 0;
}
.tpe-breakdown-role.role-hook { background: var(--tpe-amber-dim); color: var(--tpe-amber); }
.tpe-breakdown-role.role-body { background: var(--tpe-cyan-dim); color: var(--tpe-cyan); }
.tpe-breakdown-role.role-cta  { background: var(--tpe-mint-dim); color: var(--tpe-mint); }
.tpe-breakdown-time { font-family: var(--tpe-font-mono); font-size: 11px; color: var(--tpe-text-faint); flex-shrink: 0; }
.tpe-breakdown-reason { color: var(--tpe-text-muted); line-height: 1.4; }

/* ---------- Result ---------- */
.tpe-result { margin-top: 22px; }
.tpe-result-header { display: flex; justify-content: space-between; align-items: center; margin-top: 20px; }
.tpe-btn-group { display: flex; gap: 8px; }
.tpe-result h3 {
  font-family: var(--tpe-font-display); font-weight: 600;
  font-size: 13px; text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--tpe-text-muted); margin: 20px 0 10px 0;
}
.tpe-h3-sub { text-transform: none; letter-spacing: normal; font-weight: 400; color: var(--tpe-text-faint); }
.tpe-out-box {
  background: var(--tpe-panel); border: 1px solid var(--tpe-border-soft);
  border-radius: 8px; padding: 14px 16px;
  font-size: 13.5px; line-height: 1.7; color: var(--tpe-text);
  white-space: pre-wrap; word-break: break-word;
}
.tpe-out-box.tpe-mono { font-family: var(--tpe-font-mono); font-size: 13px; }
.tpe-notes { font-size: 12.5px; color: var(--tpe-amber); margin-top: 8px; }

.tpe-srt-details { margin-top: 14px; }
.tpe-srt-details summary {
  cursor: pointer; font-size: 12.5px; color: var(--tpe-cyan);
  font-weight: 600; padding: 4px 0; list-style: none;
}
.tpe-srt-details summary::-webkit-details-marker { display: none; }
.tpe-srt-details summary::before { content: "+ "; }
.tpe-srt-details[open] summary::before { content: "- "; }
.tpe-srt-details .tpe-out-box { margin-top: 8px; max-height: 220px; overflow-y: auto; }
.tpe-srt-details button { margin-top: 8px; }

.tpe-srt-section {
  margin-top: 22px; padding: 16px 18px;
  background: var(--tpe-panel); border: 1px solid var(--tpe-border-soft); border-radius: 10px;
}
.tpe-srt-section .tpe-result-header { margin-top: 0; }
.tpe-srt-section .tpe-out-box { background: var(--tpe-bg); }
.tpe-lang-toggle { display: flex; gap: 2px; background: var(--tpe-bg); border: 1px solid var(--tpe-border); border-radius: 7px; padding: 2px; }
.tpe-lang-pill {
  background: none; border: none; border-radius: 5px; padding: 5px 12px;
  font-size: 11.5px; font-weight: 600; font-family: var(--tpe-font-body);
  color: var(--tpe-text-muted); cursor: pointer; transition: background 0.15s ease, color 0.15s ease;
}
.tpe-lang-pill:hover { color: var(--tpe-text); }
.tpe-lang-pill.active { background: var(--tpe-cyan); color: #05262b; }

/* ---------- Signature: timeline ruler ---------- */
.tpe-ruler-wrap { margin-top: 6px; }
.tpe-ruler {
  position: relative; height: 34px;
  background: var(--tpe-panel);
  border: 1px solid var(--tpe-border-soft);
  border-radius: 6px; overflow: hidden;
}
.tpe-ruler-segment {
  position: absolute; top: 0; bottom: 0;
  transform: scaleX(0); transform-origin: left;
  animation: tpe-ruler-draw 0.5s ease forwards;
}
.tpe-ruler-segment.role-hook { background: var(--tpe-amber); }
.tpe-ruler-segment.role-body { background: var(--tpe-cyan); }
.tpe-ruler-segment.role-cta  { background: var(--tpe-mint); }
@keyframes tpe-ruler-draw { to { transform: scaleX(1); } }
@media (prefers-reduced-motion: reduce) {
  .tpe-ruler-segment { animation: none; transform: scaleX(1); }
  .tpe-live-dot { animation: none; }
}
.tpe-ruler-labels {
  display: flex; justify-content: space-between;
  font-family: var(--tpe-font-mono); font-size: 10.5px;
  color: var(--tpe-text-faint); margin-top: 6px;
}
.tpe-ruler-legend {
  display: flex; gap: 16px; margin-top: 10px; flex-wrap: wrap;
}
.tpe-legend-item {
  display: flex; align-items: center; gap: 6px;
  font-size: 11.5px; color: var(--tpe-text-muted);
  font-family: var(--tpe-font-mono); text-transform: uppercase; letter-spacing: 0.04em;
}
.tpe-legend-dot { width: 8px; height: 8px; border-radius: 2px; }
.tpe-legend-dot.role-hook { background: var(--tpe-amber); }
.tpe-legend-dot.role-body { background: var(--tpe-cyan); }
.tpe-legend-dot.role-cta  { background: var(--tpe-mint); }

.tpe-spinner {
  display: inline-block; width: 13px; height: 13px;
  border: 2px solid var(--tpe-border); border-top-color: var(--tpe-cyan);
  border-radius: 50%; animation: tpe-spin 0.8s linear infinite;
  margin-right: 7px; vertical-align: -2px;
}
@keyframes tpe-spin { to { transform: rotate(360deg); } }

/* ---------- History ---------- */
.tpe-history-item {
  border: 1px solid var(--tpe-border-soft); border-radius: 10px;
  padding: 16px 18px; margin-bottom: 12px; background: var(--tpe-panel);
  transition: border-color 0.15s ease;
}
.tpe-history-item:hover { border-color: var(--tpe-border); }
.tpe-history-item-header {
  display: flex; justify-content: space-between; align-items: center;
  cursor: pointer; flex-wrap: wrap; gap: 8px;
}
.tpe-history-title {
  font-family: var(--tpe-font-display); font-weight: 600;
  font-size: 14.5px; color: #fff;
}
.tpe-history-meta {
  font-size: 11.5px; color: var(--tpe-text-faint);
  font-family: var(--tpe-font-mono); text-transform: uppercase; letter-spacing: 0.03em;
}
.tpe-history-chevron {
  color: var(--tpe-text-faint); transition: transform 0.15s ease;
  font-size: 12px;
}
.tpe-history-actions { display: flex; align-items: center; gap: 10px; }
.tpe-delete-btn {
  background: none; border: 1px solid var(--tpe-border); border-radius: 6px;
  padding: 6px; color: var(--tpe-text-faint); cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: border-color 0.15s ease, color 0.15s ease;
}
.tpe-delete-btn:hover { border-color: var(--tpe-red); color: var(--tpe-red); }
.tpe-delete-btn:disabled { opacity: 0.5; cursor: not-allowed; }
.tpe-history-item.open .tpe-history-chevron { transform: rotate(90deg); }
.tpe-history-body { display: none; margin-top: 14px; }
.tpe-history-item.open .tpe-history-body { display: block; }
.tpe-history-item .tpe-ruler { height: 26px; }
.tpe-empty {
  text-align: center; color: var(--tpe-text-muted); font-size: 13.5px;
  padding: 48px 20px; background: var(--tpe-panel); border: 1px dashed var(--tpe-border);
  border-radius: 10px;
}

/* ---------- Toast ---------- */
.tpe-toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%) translateY(20px);
  background: var(--tpe-panel-raised); color: var(--tpe-text);
  border: 1px solid var(--tpe-border); border-radius: 8px;
  padding: 10px 18px; font-size: 13px; font-family: var(--tpe-font-body);
  box-shadow: 0 8px 30px rgba(0,0,0,0.4);
  opacity: 0; pointer-events: none; transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 9999;
}
.tpe-toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ---------- Responsive ---------- */
@media (max-width: 600px) {
  #tpe-app { padding: 18px; margin: 16px 0; border-radius: 10px; }
  .tpe-row { flex-direction: column; gap: 0; }
  .tpe-field-narrow { max-width: none; }
  .tpe-title { font-size: 21px; }
}