:root {
  --bg: #ffffff;
  --card: #ffffff;
  --card-2: #f7f7f7;
  --border: #dddddd;
  --text: #222222;
  --muted: #717171;
  --accent: #ff385c;
  --accent-soft: rgba(255, 56, 92, 0.14);
  --good: #6bbf7b;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, system-ui, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 28px 20px 8px;
}
.topbar h1 { font-size: 1.6rem; margin: 0; font-weight: 600; letter-spacing: -0.02em; }
.tagline { color: var(--muted); margin: 4px 0 0; font-size: 0.95rem; max-width: 64ch; }
.tagline em { color: var(--text); font-style: italic; }
.back { color: #222222; text-decoration: none; font-size: 0.85rem; white-space: nowrap; opacity: 0.85; }
.back:hover { opacity: 1; }

.wrap { max-width: 1200px; margin: 18px auto 60px; padding: 0 20px; }

.panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 24px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.08);
}
label { display: block; font-weight: 600; margin-bottom: 4px; font-size: 0.96rem; }
.req { color: var(--accent); }
.opt { color: var(--muted); font-weight: 400; font-size: 0.85rem; }
.hint { color: var(--muted); font-size: 0.82rem; margin: 0 0 8px; }

textarea, input[type="text"] {
  width: 100%;
  background: #f7f7f7;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 13px 15px;
  font: inherit;
  font-size: 0.95rem;
  resize: vertical;
}
textarea:focus, input[type="text"]:focus { outline: none; border-color: var(--accent); }

.channels { display: flex; gap: 8px; }
.channel {
  border: 1px solid var(--border); background: var(--card-2); color: var(--muted);
  border-radius: 999px; padding: 9px 18px; font: inherit; font-size: 0.9rem; cursor: pointer;
}
.channel:hover { color: var(--text); }
.channel.active { background: var(--accent); border-color: var(--accent); color: #ffffff; font-weight: 600; }

.btn { border: none; border-radius: 11px; padding: 12px 20px; font: inherit; font-weight: 600; font-size: 0.92rem; cursor: pointer; transition: filter 0.12s, opacity 0.12s; }
.btn.primary { background: var(--accent); color: #ffffff; width: 100%; margin-top: 18px; }
.btn.primary:hover { filter: brightness(1.08); }
.btn.tiny { padding: 5px 10px; font-size: 0.76rem; background: var(--card-2); color: var(--muted); border: 1px solid var(--border); }
.btn.tiny:hover { color: var(--text); border-color: var(--accent); }
.btn:disabled { opacity: 0.5; cursor: default; }

.status { margin: 18px 2px; color: var(--muted); font-size: 0.92rem; }
.status.working { color: var(--accent); }
.status.error { color: #f0a58f; }

.result { margin-top: 16px; display: grid; gap: 16px; }
.block { background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 18px 20px; }
.block h2 { margin: 0 0 10px; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--accent); }
.positioning { font-size: 1.05rem; }
.hook { font-size: 1.15rem; font-weight: 600; }

.vid { border: 1px solid var(--border); border-radius: 12px; padding: 16px; margin-bottom: 12px; background: var(--card-2); }
.vid:last-child { margin-bottom: 0; }
.vid .vtitle { font-weight: 700; margin-bottom: 10px; }
.prompt-box { position: relative; background: #f7f7f7; border: 1px solid var(--border); border-radius: 10px; padding: 12px 12px 12px 14px; font-size: 0.88rem; margin: 8px 0; }
.prompt-box .plabel { color: var(--good); font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.06em; font-weight: 700; display: block; margin-bottom: 4px; }
.prompt-box .copy { position: absolute; top: 10px; right: 10px; }
.vid .line { font-size: 0.9rem; margin: 6px 0; }
.vid .line .k { color: var(--muted); }
.tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.tag { background: var(--accent-soft); color: #e8b7a4; border-radius: 999px; padding: 3px 10px; font-size: 0.76rem; }

.timeline { list-style: none; margin: 0; padding: 0; }
.timeline li { display: flex; gap: 12px; padding: 8px 0; border-bottom: 1px solid var(--border); }
.timeline li:last-child { border-bottom: none; }
.timeline .day { color: var(--accent); font-weight: 700; flex: 0 0 78px; font-size: 0.88rem; }
.timeline .act { font-size: 0.92rem; }

.list { margin: 0; padding-left: 20px; }
.list li { margin-bottom: 6px; }
.metric { font-size: 1.05rem; color: var(--good); font-weight: 600; }

.vid-gen { display: flex; align-items: center; gap: 10px; margin-top: 12px; flex-wrap: wrap; }
.btn.gen { background: var(--good); color: #0c2417; border: none; }
.btn.gen:hover { filter: brightness(1.06); }
.gen-status { color: var(--muted); font-size: 0.82rem; }
.handoff { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-top: 10px; }
.ho-label { color: var(--muted); font-size: 0.78rem; }
.btn.ho { background: var(--card); color: var(--text); border: 1px solid var(--border); }
.btn.ho:hover { border-color: var(--accent); color: var(--accent); }
.vid-out { margin-top: 10px; }
.vid-out video { width: 100%; max-width: 280px; border-radius: 12px; border: 1px solid var(--border); display: block; }
.vid-out .dl { display: inline-block; margin-top: 8px; color: var(--muted); font-size: 0.82rem; text-decoration: none; }
.vid-out .dl:hover { color: var(--accent); }

.disclaimer { color: var(--muted); font-size: 0.8rem; margin-top: 26px; text-align: center; }
.hidden { display: none !important; }