/* =========================================================================
   demo-theater.css — SP-02 §4. The Stripe-style "watch it use itself" theater.
   One stage active at a time; a staged pointer drives real product UI built
   from real classes. transform/opacity only. Built on senova-ui.css tokens.
   ========================================================================= */

.dt { position: relative; }
.dt-head { max-width: 680px; margin-bottom: var(--sn-6); }
.dt-head h2 { margin: var(--sn-3) 0 var(--sn-4); }

/* Tab rail */
.dt-tabs { display: flex; flex-wrap: wrap; gap: 2px; margin-bottom: var(--sn-4); border-bottom: 1px solid var(--sn-hairline); }
.dt-tab { appearance: none; background: transparent; border: 0; border-bottom: 2px solid transparent; margin-bottom: -1px; padding: 10px 14px; font-family: var(--sn-sans); font-size: var(--sn-ui); font-weight: 500; color: var(--sn-ink-3); cursor: pointer; transition: color var(--sn-micro) var(--sn-ease); }
.dt-tab:hover { color: var(--sn-ink-2); }
.dt-tab[aria-selected="true"] { color: var(--sn-ink); border-bottom-color: var(--sn-ink); }

/* Frame + scaled stage */
.dt-frame { border: 1px solid var(--sn-hairline); border-radius: var(--sn-r-media); overflow: hidden; background: var(--sn-surface); box-shadow: var(--sn-shadow); }
.dt-chrome { display: flex; align-items: center; gap: 8px; padding: 9px 14px; border-bottom: 1px solid var(--sn-hairline); background: var(--sn-bg-raised); font-family: var(--sn-mono); font-size: var(--sn-overline); color: var(--sn-ink-3); }
.dt-chrome .crumb { text-transform: none; }
.dt-viewport { position: relative; width: 100%; aspect-ratio: 1200 / 750; overflow: hidden; background: var(--sn-surface); }
.dt-scale { position: absolute; top: 0; left: 0; width: 1200px; height: 750px; transform-origin: 0 0; }

/* stages stacked; only active shown */
.dt-stage { position: absolute; inset: 0; opacity: 0; visibility: hidden; }
.dt-stage.on { opacity: 1; visibility: visible; }
.dt-stage[data-theme="studio"] { background: #121110; }

/* Cursor */
.dt-cursor { position: absolute; top: 0; left: 0; width: 24px; height: 24px; pointer-events: none; z-index: 40; transform: translate3d(-60px,-60px,0); will-change: transform; }
.dt-cursor svg { width: 100%; height: 100%; filter: drop-shadow(0 1px 2px rgba(0,0,0,.25)); }
.dt-cursor.press { transform: translate3d(var(--cx), var(--cy), 0) scale(.86); }
.dt-ripple { position: absolute; z-index: 39; width: 24px; height: 24px; margin: -12px 0 0 -12px; border-radius: 50%; border: 1.5px solid var(--sn-accent); opacity: 0; pointer-events: none; }
.dt-ripple.go { animation: dt-ripple 420ms var(--sn-ease); }
@keyframes dt-ripple { 0% { opacity: .8; transform: scale(.4); } 100% { opacity: 0; transform: scale(2.1); } }

/* Footer bar */
.dt-foot { display: flex; align-items: center; gap: var(--sn-3); padding: 10px 14px; border-top: 1px solid var(--sn-hairline); background: var(--sn-bg-raised); }
.dt-play { appearance: none; border: 1px solid var(--sn-hairline); background: var(--sn-surface); border-radius: 999px; width: 30px; height: 30px; display: grid; place-items: center; cursor: pointer; color: var(--sn-ink); }
.dt-dots { display: flex; gap: 6px; }
.dt-dots i { width: 7px; height: 7px; border-radius: 50%; background: var(--sn-hairline); transition: background var(--sn-micro) var(--sn-ease); }
.dt-dots i.on { background: var(--sn-ink); }
.dt-replay { appearance: none; border: 0; background: transparent; color: var(--sn-ink-2); font-size: var(--sn-meta); cursor: pointer; }
.dt-honesty { margin-left: auto; font-family: var(--sn-mono); font-size: var(--sn-overline); color: var(--sn-ink-3); }
.dt-live { position: absolute; left: -9999px; }

/* ---------- shared stage primitives ---------- */
.dt-split { display: grid; grid-template-columns: 300px 1fr; height: 100%; }
.dt-rail { border-right: 1px solid var(--sn-hairline); padding: 18px; overflow: hidden; background: var(--sn-bg); }
.dt-rail-h { font-size: 12px; font-weight: 600; color: var(--sn-ink-3); text-transform: uppercase; letter-spacing: .08em; margin-bottom: 14px; }
.dt-msg { font-size: 14px; color: var(--sn-ink-2); margin-bottom: 12px; opacity: 0; transform: translateY(6px); transition: opacity .25s var(--sn-ease), transform .25s var(--sn-ease); }
.dt-msg.on { opacity: 1; transform: none; }
.dt-msg b { color: var(--sn-ink); font-weight: 600; }
.dt-chip { display: inline-block; font-family: var(--sn-mono); font-size: 11px; color: var(--sn-ink-3); background: var(--sn-bg-raised); border: 1px solid var(--sn-hairline); border-radius: 999px; padding: 2px 8px; margin-top: 4px; }
.dt-pane { position: relative; overflow: hidden; }

/* input look used across stages */
.dt-field { display: flex; align-items: center; gap: 10px; border: 1px solid var(--sn-hairline); border-radius: 10px; background: var(--sn-surface); padding: 12px 14px; font-size: 15px; color: var(--sn-ink); }
.dt-field .ph { color: var(--sn-ink-3); }
.dt-caret { display: inline-block; width: 1px; height: 1.1em; background: var(--sn-accent); margin-left: 1px; animation: dt-blink 1s steps(2) infinite; vertical-align: -2px; }
@keyframes dt-blink { 50% { opacity: 0; } }
.dt-cta { display: inline-flex; align-items: center; gap: 6px; background: var(--sn-ink); color: var(--sn-bg); border-radius: 999px; padding: 9px 18px; font-size: 14px; font-weight: 500; }
.dt-cta.op-press { transform: scale(.97); }
.dt-cta.accent { background: var(--sn-accent); color: #fff; }

/* ---------- A. Website builder ---------- */
.dt-web-site { background: #f7f2ea; color: #22201d; height: 100%; transition: max-width .4s var(--sn-ease); }
.dt-web-top { display: flex; justify-content: space-between; padding: 16px 22px; border-bottom: 1px solid rgba(0,0,0,.06); }
.dt-web-top b { font-family: var(--sn-serif); font-size: 17px; }
.dt-web-hero { padding: 30px 22px; }
.dt-web-hero h3 { font-family: var(--sn-serif); font-size: 26px; margin: 0 0 10px; }
.dt-web-hero p { font-size: 13px; color: #6b6459; margin: 0 0 16px; }
.dt-web-photo { height: 150px; border-radius: 10px; background: linear-gradient(135deg,#c98a5a,#8a4f2c); margin-top: 16px; transition: background .4s var(--sn-ease); }
.dt-web-photo.warm { background: linear-gradient(135deg,#d9a066,#b06a34); }
.dt-web-pane.mobile .dt-web-site { max-width: 380px; margin: 0 auto; box-shadow: 0 0 0 1px var(--sn-hairline); }
.dt-sel { outline: 2px solid var(--sn-accent); outline-offset: -2px; border-radius: 6px; }

/* ---------- B. Media studio (dark) ---------- */
.dt-media { color: #F5F4EF; display: grid; grid-template-columns: 260px 1fr; height: 100%; }
.dt-media-rail { border-right: 1px solid #2E2C29; padding: 18px; }
.dt-recipe { border: 1px solid #2E2C29; border-radius: 10px; padding: 10px 12px; margin-bottom: 10px; font-size: 13px; cursor: default; transition: border-color .2s; }
.dt-recipe.sel { border-color: var(--sn-accent); }
.dt-recipe span { display: block; font-size: 11px; color: #86837C; margin-top: 3px; }
.dt-media-main { padding: 20px; display: flex; flex-direction: column; gap: 14px; }
.dt-media-compose { border: 1px solid #2E2C29; border-radius: 10px; background: #1C1B19; padding: 12px 14px; font-size: 14px; color: #F5F4EF; }
.dt-media-result { flex: 1; border: 1px solid #2E2C29; border-radius: 12px; background: #1C1B19; position: relative; overflow: hidden; display: grid; place-items: center; }
.dt-media-result img, .dt-media-result video { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; opacity: 0; transition: opacity .5s var(--sn-ease); }
.dt-media-result .on { opacity: 1; }
.dt-media-queue { position: absolute; font-family: var(--sn-mono); font-size: 12px; color: #86837C; opacity: 0; transition: opacity .3s; }
.dt-media-queue.on { opacity: 1; }
.dt-media-motions { opacity: 0; transition: opacity .3s var(--sn-ease); }
.dt-media-motions.on { opacity: 1; }
.dt-media-badge { position: absolute; z-index: 2; bottom: 10px; left: 10px; font-family: var(--sn-mono); font-size: 11px; color: #F5F4EF; background: rgba(18,17,16,.7); border: 1px solid #2E2C29; border-radius: 999px; padding: 3px 10px; opacity: 0; transition: opacity .3s; }
.dt-media-badge.on { opacity: 1; }
.dt-media-chips { display: flex; gap: 8px; }
.dt-media-chips .dt-chip { background: #1C1B19; border-color: #2E2C29; color: #86837C; }

/* ---------- C. Site Check ---------- */
.dt-sc { display: grid; grid-template-columns: 1fr 380px; height: 100%; }
.dt-sc-main { padding: 20px; }
.dt-sc-issues { margin-top: 16px; display: flex; flex-direction: column; gap: 8px; }
.dt-issue { display: flex; align-items: center; gap: 10px; border: 1px solid var(--sn-hairline); border-radius: 8px; padding: 10px 12px; background: var(--sn-surface); font-size: 13px; opacity: 0; transform: translateY(6px); transition: opacity .3s var(--sn-ease), transform .3s var(--sn-ease); cursor: default; }
.dt-issue.on { opacity: 1; transform: none; }
.dt-issue.sel { border-color: var(--sn-accent); }
.dt-issue .sev { font-family: var(--sn-mono); font-size: 10px; font-weight: 600; padding: 2px 7px; border-radius: 999px; }
.dt-issue .sev.crit { background: var(--sn-accent-soft); color: var(--sn-accent-ink); }
.dt-issue .sev.warn { background: #F3E9D2; color: #8C6A20; }
.dt-issue .m { margin-left: auto; font-family: var(--sn-mono); font-size: 11px; color: var(--sn-ink-3); }
.dt-sc-detail { border-left: 1px solid var(--sn-hairline); padding: 20px; background: var(--sn-bg-raised); }
.dt-sc-shot { border: 1px solid var(--sn-hairline); border-radius: 8px; overflow: hidden; background: var(--sn-surface); }
.dt-sc-shot img { width: 100%; display: block; }
.dt-score { font-family: var(--sn-serif); font-size: 40px; font-weight: 600; }

/* ---------- D. Agent checkout ---------- */
.dt-co { display: grid; grid-template-columns: 1fr 1fr; height: 100%; }
.dt-term { background: #121110; color: #cfe6cf; font-family: var(--sn-mono); font-size: 12px; padding: 18px; line-height: 1.7; overflow: hidden; }
.dt-term .line { opacity: 0; transform: translateY(4px); transition: opacity .25s, transform .25s; }
.dt-term .line.on { opacity: 1; transform: none; }
.dt-term .k { color: #7fb680; }
.dt-co-merchant { padding: 20px; display: flex; flex-direction: column; gap: 14px; }
.dt-guard { border: 1px solid var(--sn-hairline); border-radius: 10px; padding: 14px; font-size: 13px; }
.dt-guard.hi { border-color: var(--sn-accent); }
.dt-guard b { display: block; margin-bottom: 6px; }
.dt-guard .row { display: flex; justify-content: space-between; color: var(--sn-ink-2); font-size: 12px; margin-top: 4px; }
.dt-receipt { border: 1px solid var(--sn-hairline); border-radius: 10px; padding: 14px; background: var(--sn-surface); font-family: var(--sn-mono); font-size: 12px; opacity: 0; transition: opacity .4s var(--sn-ease); }
.dt-receipt.on { opacity: 1; }
.dt-receipt .sig { color: var(--sn-ink-3); word-break: break-all; }
.dt-verify { font-size: 12px; font-weight: 600; color: var(--sn-success); opacity: 0; transition: opacity .3s; }
.dt-verify.on { opacity: 1; }

/* reduced motion: hide cursor, show final frames, stepper stays usable */
@media (prefers-reduced-motion: reduce) {
  .dt-cursor, .dt-ripple { display: none; }
}
@media (max-width: 720px) {
  .dt-split, .dt-media, .dt-sc, .dt-co { grid-template-columns: 1fr; }
}