:root {
  --bg: #f7f8fb; --card: #ffffff; --field: #ffffff; --soft: #f1f4f9; --border: #dde3ec; --text: #1c2430; --muted: #66758a;
  --accent: #10a36b; --accent-strong: #0b7f53; --accent-soft: #e3f6ee; --warn: #b26a00; --warn-soft: #fff4e0;
  --danger: #d93a3a; --danger-soft: #fdecec;
  --font: "Pretendard", "Apple SD Gothic Neo", "Noto Sans KR", system-ui, -apple-system, sans-serif;
  --mono: "SF Mono", ui-monospace, Menlo, monospace;
  --tap: 48px; --shadow: 0 1px 2px rgba(20, 30, 50, 0.05), 0 4px 14px rgba(20, 30, 50, 0.05);
  color-scheme: light;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--text); font-family: var(--font); line-height: 1.55; min-height: 100%; }
body { -webkit-tap-highlight-color: transparent; }

.wrap {
  max-width: 680px; margin: 0 auto;
  padding: calc(14px + env(safe-area-inset-top)) calc(12px + env(safe-area-inset-right))
           calc(32px + env(safe-area-inset-bottom)) calc(12px + env(safe-area-inset-left));
}
header { margin-bottom: 14px; }
header .top { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
header h1 { margin: 0 0 4px; font-size: 1.35rem; letter-spacing: -0.02em; }
header p { margin: 0; color: var(--muted); font-size: 0.9rem; }
.lang-btn {
  min-height: 40px; min-width: 52px; padding: 6px 12px; border-radius: 999px; font-size: 0.85rem;
  background: var(--card); color: var(--text); border: 1px solid var(--border); box-shadow: var(--shadow);
}
.guide { margin-top: 10px; background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 0 12px; box-shadow: var(--shadow); }
.guide summary { min-height: var(--tap); display: flex; align-items: center; font-weight: 700; cursor: pointer; list-style: none; }
.guide summary::-webkit-details-marker { display: none; }
.guide summary::before { content: "📖"; margin-right: 8px; }
.guide ol { margin: 0 0 12px; padding-left: 20px; font-size: 0.9rem; color: var(--text); }
.guide li { margin: 4px 0; }

.card { background: var(--card); border: 1px solid var(--border); border-radius: 16px; padding: 14px; margin-bottom: 14px; box-shadow: var(--shadow); }
.card h2 { margin: 0 0 10px; font-size: 1.05rem; }
.card h2.mt { margin-top: 18px; }

label { display: block; font-size: 0.95rem; font-weight: 700; margin-bottom: 8px; }
label .sub { font-weight: 400; color: var(--muted); font-size: 0.8rem; }

textarea#editor {
  width: 100%; min-height: 140px; resize: vertical; display: block;
  background: var(--field); color: var(--text); border: 1.5px solid var(--border); border-radius: 12px;
  padding: 12px; font-size: 17px; font-family: inherit; line-height: 1.6; -webkit-appearance: none; appearance: none;
}
textarea#editor::placeholder { color: #9aa6b6; }
textarea#editor:focus { outline: 3px solid var(--accent-soft); border-color: var(--accent); }
textarea#editor.flagged { border-color: var(--danger); box-shadow: 0 0 0 3px var(--danger-soft); }

.editor-foot { display: flex; justify-content: space-between; align-items: flex-start; gap: 10px; margin-top: 6px; }
.hint { font-size: 0.8rem; color: var(--muted); margin: 0; }
.hint.warn { color: var(--warn); }
.hint.danger { color: var(--danger); }
.counter { font-family: var(--mono); font-size: 0.85rem; color: var(--muted); white-space: nowrap; }
.counter.near { color: var(--warn); }
.counter.over { color: var(--danger); font-weight: 700; }

.score-line { display: flex; gap: 10px; align-items: flex-start; margin-top: 12px; }
.score-num { flex: 0 0 auto; min-width: 96px; text-align: center; background: var(--soft); border-radius: 12px; padding: 8px; display: flex; flex-direction: column; }
.score-num .val { font-size: 1.8rem; font-weight: 800; font-family: var(--mono); line-height: 1.1; }
.score-num .lab { font-size: 0.72rem; color: var(--muted); }
.score-num.ok { background: var(--accent-soft); } .score-num.ok .val { color: var(--accent-strong); }
.score-num.bad { background: var(--danger-soft); } .score-num.bad .val { color: var(--danger); }
.score-num.mid .val { color: var(--warn); }

.breakdown { flex: 1 1 auto; min-width: 0; font-size: 0.8rem; color: var(--muted); }
.breakdown summary { cursor: pointer; min-height: var(--tap); display: flex; align-items: center; padding: 0 4px; color: var(--text); font-size: 0.9rem; list-style: none; }
.breakdown summary::-webkit-details-marker { display: none; }
.breakdown summary::before { content: "▸"; margin-right: 6px; color: var(--muted); transition: transform 0.15s; }
.breakdown[open] summary::before { transform: rotate(90deg); }
.breakdown .row { display: flex; justify-content: space-between; gap: 8px; padding: 4px 2px; border-bottom: 1px dashed var(--border); font-family: var(--mono); }
.breakdown .v { color: var(--text); text-align: right; }

.status { margin-top: 10px; font-size: 0.92rem; min-height: 1.4em; overflow-wrap: anywhere; border-radius: 10px; }
.status.ok { color: var(--accent-strong); }
.status.err { color: var(--danger); }
.status.warn { color: var(--warn); background: var(--warn-soft); padding: 10px 12px; }
.status .retry { margin-top: 8px; }

.actions {
  display: grid; grid-template-columns: 2fr 1fr; gap: 8px; margin: 12px -14px -14px;
  padding: 10px 14px calc(10px + env(safe-area-inset-bottom));
  position: sticky; bottom: 0; background: rgba(255, 255, 255, 0.96); border-top: 1px solid var(--border);
  border-radius: 0 0 16px 16px; z-index: 5; -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
}
button {
  cursor: pointer; border: none; border-radius: 12px; min-height: var(--tap); padding: 10px 16px;
  font-size: 1rem; font-family: inherit; font-weight: 700; touch-action: manipulation; -webkit-user-select: none; user-select: none;
}
button.small { min-height: 40px; padding: 6px 12px; font-size: 0.88rem; }
button:disabled { opacity: 0.45; cursor: not-allowed; }
button:active:not(:disabled) { transform: scale(0.98); }
.btn-primary { background: var(--accent); color: #fff; }
.btn-secondary { background: var(--soft); color: var(--text); border: 1px solid var(--border); }
.btn-danger { background: var(--danger-soft); color: var(--danger); width: 100%; margin-top: 4px; }
.btn-ghost { background: var(--card); color: var(--muted); border: 1px solid var(--border); }

.feed-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.feed-head h2 { margin: 0; }
.feed-head .total { color: var(--muted); font-weight: 400; font-size: 0.8rem; }
.feed { max-height: 70vh; max-height: 70dvh; overflow-y: auto; -webkit-overflow-scrolling: touch; overscroll-behavior: contain; padding-right: 2px; }
.feed-item { border: 1px solid var(--border); border-radius: 12px; padding: 12px; margin-bottom: 10px; background: var(--card); }
.feed-meta { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 6px; font-size: 0.78rem; color: var(--muted); }
.badge { display: inline-flex; align-items: center; gap: 4px; background: var(--accent-soft); color: var(--accent-strong); border-radius: 999px; padding: 2px 10px; font-size: 0.75rem; font-weight: 700; }
.feed-text { white-space: pre-wrap; overflow-wrap: anywhere; margin: 0 0 8px; font-size: 1rem; }
.feed-text.replaying { color: var(--accent-strong); }
.cursor { display: inline-block; width: 2px; height: 1em; background: var(--accent); vertical-align: text-bottom; animation: blink 0.8s step-end infinite; }
@keyframes blink { 50% { opacity: 0; } }
.pager { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin-top: 10px; font-family: var(--mono); font-size: 0.9rem; color: var(--muted); }
.pager[hidden] { display: none; }

.limits { font-size: 0.86rem; color: var(--muted); }
.limits ul { padding-left: 18px; margin: 6px 0 0; }

@media (min-width: 720px) {
  .wrap { padding-top: 28px; }
  header h1 { font-size: 1.6rem; }
  .actions { position: static; margin: 12px 0 0; padding: 0; border: 0; background: none; grid-template-columns: auto auto; justify-content: start; backdrop-filter: none; }
}
@media (prefers-reduced-motion: reduce) { .cursor { animation: none; } }

/* ---- X reply feature ---- */
.home-link { color: inherit; text-decoration: none; }
a { color: var(--accent-strong); }
.helper-row { display: flex; gap: 8px; margin-top: 8px; }
.helper-row input {
  flex: 1 1 auto; min-width: 0; min-height: var(--tap); padding: 10px 12px; font-size: 16px; font-family: inherit;
  border: 1.5px solid var(--border); border-radius: 12px; background: var(--field); color: var(--text);
}
.helper-row input:focus { outline: 3px solid var(--accent-soft); border-color: var(--accent); }
.helper-out { margin-top: 12px; padding: 12px; background: var(--soft); border-radius: 12px; }
.helper-out .k { font-size: 0.8rem; color: var(--muted); margin-top: 6px; }
.url-row { display: flex; align-items: center; gap: 8px; justify-content: space-between; }
.mono-link { font-family: var(--mono); font-size: 0.85rem; overflow-wrap: anywhere; }
.link-btn { display: inline-flex; align-items: center; justify-content: center; text-decoration: none; border-radius: 12px; font-weight: 700; min-height: 40px; padding: 6px 12px; }
.btn-primary.link-btn { color: #fff; }
.reply-head .feed-meta { margin-top: 8px; }
.success { border-color: var(--border); }
.intent-preview { white-space: pre-wrap; overflow-wrap: anywhere; font-family: inherit; background: var(--soft); border-radius: 12px; padding: 12px; margin: 10px 0; font-size: 0.95rem; }
.success-actions { display: grid; gap: 8px; }
.btn-x { display: flex; align-items: center; justify-content: center; min-height: var(--tap); border-radius: 12px; background: #0f1419; color: #fff; font-weight: 800; text-decoration: none; }
.replay-card .verified-row { display: flex; justify-content: space-between; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 10px; }
.badge.subtle { background: transparent; border: 1px solid var(--accent-soft); color: var(--accent-strong); font-weight: 600; font-size: 0.75rem; padding: 1px 8px; margin: 0; }
#successTitle { margin: 0 0 6px; }
.score-pill { color: var(--muted); font-size: 0.75rem; }
.reply-text { font-size: 1.15rem; min-height: 2em; }
.btn-primary.wide { width: 100%; margin: 10px 0 6px; }
.link-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
[hidden] { display: none !important; }