:root {
  --bg: #090d12;
  --panel: #101720;
  --panel-2: #151f2b;
  --line: #283645;
  --text: #edf3f8;
  --muted: #8ea0b1;
  --cyan: #56d9ca;
  --cyan-2: #2b9f96;
  --amber: #ffbf65;
  --red: #ff6b71;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background:
    radial-gradient(circle at 85% 0%, rgba(43,159,150,.14), transparent 30rem),
    radial-gradient(circle at 0% 50%, rgba(64,98,141,.1), transparent 34rem),
    var(--bg);
  color: var(--text);
  font-family: Inter, "Microsoft YaHei", "PingFang SC", sans-serif;
  min-height: 100vh;
}
.hidden { display: none !important; }
.auth-gate {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(5, 9, 13, .92);
  backdrop-filter: blur(14px);
}
.auth-card {
  width: min(430px, 100%);
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: linear-gradient(145deg, rgba(21,31,43,.98), rgba(11,17,24,.99));
  box-shadow: 0 30px 100px rgba(0,0,0,.55);
}
.auth-card h2 { font-size: 28px; margin-bottom: 10px; }
.auth-note { color: var(--muted); line-height: 1.65; }
.auth-tabs { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin: 18px 0; }
.auth-tabs button, .text-button {
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 9px 12px;
  color: var(--muted);
  background: rgba(16,23,32,.8);
  cursor: pointer;
}
.auth-tabs button.active { color: var(--cyan); border-color: var(--cyan-2); }
.auth-card input[type="email"], .auth-card input[type="password"], .auth-card input[type="text"] {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  outline: none;
  color: var(--text);
  background: var(--panel-2);
}
.auth-card input:focus { border-color: var(--cyan-2); }
.auth-message { min-height: 20px; margin: 12px 0 0; color: var(--red); }
.account-area { display: flex; align-items: center; justify-content: flex-end; gap: 10px; flex-wrap: wrap; }
.account-label { color: var(--muted); font-size: 13px; }
.topbar {
  max-width: 1500px;
  margin: 0 auto;
  padding: 36px 30px 22px;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: flex-end;
}
h1, h2, h3, h4, p { margin-top: 0; }
h1 { font-size: clamp(28px, 4vw, 50px); margin-bottom: 10px; letter-spacing: -.04em; }
h2 { margin-bottom: 5px; }
.eyebrow { color: var(--cyan); font-size: 12px; letter-spacing: .16em; font-weight: 700; }
.sub, .section-title p, footer { color: var(--muted); }
.status-pill {
  border: 1px solid var(--line);
  background: rgba(16,23,32,.82);
  border-radius: 99px;
  padding: 10px 15px;
  font-size: 13px;
  white-space: nowrap;
}
.status-pill.ready { color: var(--cyan); border-color: var(--cyan-2); }
.status-pill.error { color: var(--red); border-color: #7a3b42; }
.layout {
  max-width: 1500px;
  padding: 0 30px 36px;
  margin: auto;
  display: grid;
  grid-template-columns: minmax(330px, .78fr) minmax(500px, 1.22fr);
  gap: 22px;
}
.panel {
  background: linear-gradient(145deg, rgba(18,27,38,.96), rgba(12,18,26,.96));
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 24px;
  box-shadow: 0 18px 60px rgba(0,0,0,.28);
}
.section-title { display: flex; gap: 14px; margin-bottom: 22px; }
.section-title > span {
  color: var(--cyan); font-family: ui-monospace, monospace; font-size: 13px; padding-top: 5px;
}
.drop-zone {
  min-height: 145px;
  border: 1px dashed #3b5266;
  border-radius: 16px;
  display: grid;
  place-content: center;
  text-align: center;
  cursor: pointer;
  background: rgba(22,32,43,.56);
  transition: .2s ease;
}
.drop-zone:hover, .drop-zone.drag { border-color: var(--cyan); background: rgba(43,159,150,.07); }
.drop-zone strong { font-size: 17px; }
.drop-zone small { color: var(--muted); margin-top: 8px; }
.thumbs { display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; margin: 12px 0 18px; }
.thumb {
  position: relative; aspect-ratio: 1; border-radius: 10px; overflow: hidden; border: 1px solid var(--line);
}
.thumb img { width: 100%; height: 100%; object-fit: cover; }
.thumb button {
  position: absolute; top: 4px; right: 4px; width: 22px; height: 22px; border: 0;
  border-radius: 50%; color: white; background: rgba(0,0,0,.7); cursor: pointer;
}
.grid.two { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
label { display: grid; gap: 7px; color: #c6d2dd; font-size: 13px; margin-bottom: 14px; }
select, textarea, input[type="number"] {
  width: 100%; background: var(--panel-2); color: var(--text); border: 1px solid var(--line);
  border-radius: 10px; padding: 12px; outline: none;
}
select:focus, textarea:focus, input[type="number"]:focus { border-color: var(--cyan-2); }
textarea { resize: vertical; min-height: 110px; }
.image-set-options {
  margin: 3px 0 16px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(43,159,150,.05);
  display: grid;
  gap: 12px;
}
.output-choice-title {
  display: grid;
  gap: 4px;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--line);
}
.output-choice-title small { color: var(--muted); line-height: 1.5; }
.selection-hint {
  min-height: 18px;
  margin: -2px 0 0;
  color: var(--red);
  font-size: 12px;
}
.check-row {
  display: flex;
  grid-template-columns: none;
  align-items: flex-start;
  gap: 10px;
  cursor: pointer;
}
.check-row input { margin-top: 3px; accent-color: var(--cyan-2); }
.check-row span { display: grid; gap: 4px; }
.check-row small { color: var(--muted); line-height: 1.5; }
.image-set-options label.disabled {
  opacity: .42;
  pointer-events: none;
}
button.primary {
  width: 100%; padding: 14px 18px; border: 0; border-radius: 12px; cursor: pointer;
  background: linear-gradient(120deg, var(--cyan), #8cf0d5); color: #07110f; font-weight: 800;
  display: grid; gap: 3px;
}
button.primary small { font-weight: 500; opacity: .7; }
button.primary:disabled { opacity: .38; cursor: not-allowed; }
.progress { min-height: 22px; margin: 12px 0 0; color: var(--amber); font-size: 13px; }
.output-panel { min-height: 720px; }
.empty-state { min-height: 510px; display: grid; place-content: center; text-align: center; color: var(--muted); padding: 30px; }
.empty-orbit {
  width: 80px; height: 80px; margin: 0 auto 22px; border: 1px solid var(--cyan-2);
  border-radius: 50%; box-shadow: inset 0 0 28px rgba(86,217,202,.13), 0 0 36px rgba(86,217,202,.08);
}
.hidden { display: none !important; }
.result-head { display: flex; justify-content: space-between; gap: 18px; }
.result-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
}
.export-button {
  border: 1px solid var(--cyan);
  background: rgba(86,217,202,.08);
  color: var(--cyan);
  border-radius: 10px;
  padding: 10px 14px;
  cursor: pointer;
  font-weight: 800;
  white-space: nowrap;
}
.export-button:hover { background: rgba(86,217,202,.16); }
.export-button:disabled { opacity: .45; cursor: wait; }
.score-badge {
  width: 76px; height: 76px; border-radius: 50%; border: 2px solid var(--cyan);
  display: grid; place-content: center; text-align: center; color: var(--cyan); font-weight: 800;
}
.score-badge.bad { color: var(--red); border-color: var(--red); }
.tabs { display: flex; gap: 6px; border-bottom: 1px solid var(--line); margin: 20px 0; overflow-x: auto; }
.tabs button {
  border: 0; background: transparent; color: var(--muted); padding: 10px 14px; cursor: pointer;
  border-bottom: 2px solid transparent;
}
.tabs button.active { color: var(--text); border-bottom-color: var(--cyan); }
.tab-content { display: none; }
.tab-content.active { display: block; }
.copy-row { display: flex; align-items: center; justify-content: space-between; margin-top: 18px; }
.copy-row button {
  border: 1px solid var(--line); background: var(--panel-2); color: var(--text);
  border-radius: 8px; padding: 7px 12px; cursor: pointer;
}
pre {
  white-space: pre-wrap; word-break: break-word; background: #0a1017; border: 1px solid var(--line);
  padding: 16px; border-radius: 12px; color: #d7e3ec; line-height: 1.7; max-height: 390px; overflow: auto;
}
.shot-card, .fact-card, .audit-card {
  border: 1px solid var(--line); background: rgba(21,31,43,.65); border-radius: 12px; padding: 14px; margin-bottom: 10px;
}
.image-set-list { display: grid; gap: 14px; }
.image-prompt-card {
  border: 1px solid var(--line);
  background: linear-gradient(145deg, rgba(21,31,43,.82), rgba(12,18,26,.88));
  border-radius: 14px;
  padding: 16px;
}
.image-prompt-card header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}
.image-prompt-card header h4 { margin: 6px 0 10px; font-size: 18px; }
.image-role {
  display: inline-block;
  margin-right: 8px;
  padding: 3px 8px;
  border-radius: 6px;
  color: #bed0de;
  background: #2b3542;
  font-size: 11px;
  font-weight: 800;
}
.image-role.main { color: #07110f; background: var(--cyan); }
.image-set-summary {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: center;
}
.mini-score {
  flex: 0 0 auto;
  width: 62px;
  height: 62px;
  border: 1px solid var(--cyan);
  color: var(--cyan);
  border-radius: 50%;
  display: grid;
  place-content: center;
  font-weight: 800;
}
.mini-score.bad { color: var(--red); border-color: var(--red); }
.mini-score small { font-size: 10px; }
.visible-copy { color: var(--amber); }
.negative-image-prompt { max-height: 230px; }
.listing-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
.listing-card {
  border: 1px solid var(--line);
  background: linear-gradient(145deg, rgba(21,31,43,.82), rgba(12,18,26,.88));
  border-radius: 14px;
  padding: 16px;
  min-width: 0;
}
.listing-card h4 { margin: 4px 0 2px; font-size: 20px; }
.listing-card pre { max-height: 260px; }
.character-limit {
  display: inline-block;
  margin-top: 8px;
  padding: 4px 9px;
  border-radius: 99px;
  color: var(--cyan);
  border: 1px solid rgba(90, 224, 203, .55);
  font-size: 12px;
  font-weight: 800;
}
.character-limit.bad { color: var(--red); border-color: var(--red); }
.hashtag-copy { color: var(--amber); }
.postprocess-note {
  color: var(--muted);
  font-size: 12px;
  border-left: 2px solid var(--amber);
  padding-left: 10px;
}
.shot-time { color: var(--cyan); font-family: ui-monospace, monospace; }
.tag {
  display: inline-block; padding: 3px 7px; margin: 3px; border-radius: 99px; background: #22303c;
  color: #b6c7d5; font-size: 11px;
}
.pass { color: var(--cyan); }
.fail { color: var(--red); }
footer { max-width: 1500px; margin: 0 auto; padding: 0 30px 28px; font-size: 12px; }
@media (max-width: 900px) {
  .topbar { align-items: flex-start; flex-direction: column; }
  .layout { grid-template-columns: 1fr; padding: 0 14px 24px; }
  .topbar { padding: 24px 16px 18px; }
  .grid.two { grid-template-columns: 1fr; }
  .listing-grid { grid-template-columns: 1fr; }
  .result-head { flex-direction: column; }
  .result-actions { justify-content: space-between; }
  .thumbs { grid-template-columns: repeat(4, 1fr); }
}