/* translation-service — paper-light UI, design language ported from
   autopilot-status (warm paper, near-black ink, one electric-blue accent). */

:root {
  --bg: #faf9f6;
  --fg: #0b0b0c;
  --muted: rgba(11, 11, 12, 0.48);
  --hairline: rgba(11, 11, 12, 0.14);
  --rule-soft: rgba(11, 11, 12, 0.08);
  --card-bg: #ffffff;
  --panel-bg: #f4f2ec;
  --accent-deep: #114cfc;
  --accent-mid: #3688fe;
  --accent-sky: #5bc3ff;
  --leaf: #2f7d4f;
  --rust: #b3402f;
  --ember: #b9772a;
  --cyan: #1f7a8c;
  --violet: #5b4bce;
  --font-display: "Schibsted Grotesk", system-ui, -apple-system, sans-serif;
  --font-mono: "Space Mono", ui-monospace, monospace;
  --radius: 4px;
  --shadow-card: 0 16px 40px rgba(11, 11, 12, 0.1);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-display);
  font-size: 1rem;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
button { font-family: inherit; cursor: pointer; }

.app {
  max-width: 680px;
  margin-inline: auto;
  padding: clamp(1.25rem, 5vw, 2.5rem) clamp(1rem, 5vw, 2rem) 4rem;
}

/* ---- Header ---- */
.head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: clamp(1.5rem, 5vw, 2.5rem);
}
.eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-deep);
}
.eyebrow--muted { color: var(--muted); }
.display {
  font-weight: 600;
  font-size: clamp(1.7rem, 6vw, 2.4rem);
  letter-spacing: -0.04em;
  line-height: 1.05;
  margin: 0.35rem 0 0;
}

/* ---- Buttons ---- */
.btn {
  background: var(--accent-deep);
  color: #fff;
  border: 1px solid var(--accent-deep);
  border-radius: var(--radius);
  padding: 0.6rem 1.25rem;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  transition: background 0.2s ease, transform 0.1s ease;
}
.btn:hover { background: #0d3fd8; }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: 0.5; cursor: progress; }
.btn-ghost {
  background: transparent;
  color: var(--fg);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: 0.5rem 0.9rem;
  font-size: 0.85rem;
  font-weight: 500;
  white-space: nowrap;
  transition: border-color 0.2s ease, color 0.2s ease;
}
.btn-ghost:hover { border-color: var(--accent-mid); color: var(--accent-deep); }

/* ---- Cards ---- */
.card {
  background: var(--card-bg);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: 1.1rem;
  margin-bottom: 1rem;
  box-shadow: var(--shadow-card);
}
.pair { display: flex; flex-direction: column; gap: 0.35rem; margin-bottom: 0.75rem; }
.label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}
select {
  background: var(--panel-bg);
  color: var(--fg);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: 0.5rem 0.7rem;
  font: inherit;
  font-size: 0.95rem;
}
textarea {
  width: 100%;
  resize: vertical;
  background: var(--panel-bg);
  color: var(--fg);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: 0.75rem;
  font: inherit;
  font-size: 1.1rem;
  outline: none;
}
textarea:focus { border-color: var(--accent-mid); }
.row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 0.75rem;
}
.count { font-family: var(--font-mono); font-size: 0.8rem; color: var(--muted); }

.result { display: flex; flex-direction: column; gap: 0.5rem; }
#result {
  font-size: 1.35rem;
  line-height: 1.35;
  letter-spacing: -0.01em;
  white-space: pre-wrap;
}
.result .btn-ghost { align-self: flex-start; }

.error {
  color: var(--rust);
  background: rgba(179, 64, 47, 0.08);
  border: 1px solid rgba(179, 64, 47, 0.25);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
}

/* ---- API docs drawer ---- */
.overlay {
  position: fixed;
  inset: 0;
  background: rgba(11, 11, 12, 0.35);
  opacity: 0;
  animation: fade 0.2s ease forwards;
  z-index: 40;
}
@keyframes fade { to { opacity: 1; } }
.drawer {
  position: fixed;
  top: 0;
  right: 0;
  height: 100dvh;
  width: min(480px, 100vw);
  background: var(--bg);
  border-left: 1px solid var(--hairline);
  box-shadow: -24px 0 60px rgba(11, 11, 12, 0.18);
  transform: translateX(100%);
  transition: transform 0.28s cubic-bezier(0.22, 1, 0.36, 1);
  z-index: 50;
  display: flex;
  flex-direction: column;
}
.drawer.open { transform: translateX(0); }
.drawer__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: 1.25rem;
  border-bottom: 1px solid var(--hairline);
}
.drawer__title { font-weight: 600; font-size: 1.3rem; letter-spacing: -0.03em; margin: 0.25rem 0 0; }
.drawer__close {
  background: transparent;
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  color: var(--fg);
  width: 2rem; height: 2rem;
  font-size: 0.9rem;
}
.drawer__close:hover { border-color: var(--rust); color: var(--rust); }
.drawer__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.6rem 1.25rem;
  background: var(--panel-bg);
  border-bottom: 1px solid var(--hairline);
  font-family: var(--font-mono);
  font-size: 0.72rem;
}
.drawer__meta code { color: var(--muted); overflow-wrap: anywhere; }
.drawer__meta a { color: var(--accent-deep); }
.drawer__body { overflow-y: auto; padding: 0.5rem 1.25rem 2rem; }
.api-loading { color: var(--muted); font-family: var(--font-mono); font-size: 0.85rem; }

/* Rendered operations */
.api-op { border-bottom: 1px solid var(--rule-soft); padding: 1rem 0; }
.api-op__line { display: flex; align-items: baseline; gap: 0.5rem; flex-wrap: wrap; }
.api-method {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 0.1rem 0.4rem;
  border-radius: var(--radius);
  color: #fff;
  text-transform: uppercase;
}
.api-method.get { background: var(--cyan); }
.api-method.post { background: var(--leaf); }
.api-method.put, .api-method.patch { background: var(--ember); }
.api-method.delete { background: var(--rust); }
.api-path { font-family: var(--font-mono); font-size: 0.9rem; letter-spacing: -0.02em; }
.api-lock { font-size: 0.7rem; color: var(--muted); }
.api-summary { color: var(--muted); font-size: 0.9rem; margin: 0.4rem 0 0; }
.api-sub {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0.7rem 0 0.3rem;
}
.api-kv { font-family: var(--font-mono); font-size: 0.8rem; line-height: 1.6; }
.api-kv .k { color: var(--fg); }
.api-kv .t { color: var(--accent-deep); }
.api-code {
  display: block;
  background: var(--panel-bg);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: 0.6rem 0.75rem;
  margin-top: 0.3rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  line-height: 1.5;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
.api-status { display: inline-block; font-family: var(--font-mono); font-size: 0.78rem; margin-right: 0.6rem; }
.api-status b { color: var(--leaf); }
.api-status.err b { color: var(--rust); }

@media (prefers-reduced-motion: reduce) {
  .drawer { transition: none; }
  .overlay { animation: none; opacity: 1; }
}