/* Video Studio — dark iOS theme, mobile-first, no build step */
:root{
  --bg:#000; --surface:#111; --surface2:#1c1c1e; --surface3:#2c2c2e;
  --text:#fff; --sub:#8e8e93; --sep:#38383a;
  --amber:#f5a623; --red:#ff3b30; --green:#34c759; --orange:#ff9500; --blue:#0a84ff;
  --radius:12px;
  --sat:env(safe-area-inset-top,0px); --sab:env(safe-area-inset-bottom,0px);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text","SF Pro Display","Helvetica Neue",Helvetica,Arial,sans-serif;
  -webkit-font-smoothing:antialiased}
body{min-height:100vh;min-height:100dvh}
.view{max-width:720px;margin:0 auto;min-height:100vh;min-height:100dvh;padding-bottom:calc(32px + var(--sab))}
[hidden]{display:none!important}

/* ---------- inputs / buttons ---------- */
.input{width:100%;background:var(--surface2);border:1px solid var(--sep);border-radius:var(--radius);
  color:var(--text);font-size:16px;padding:12px;font-family:inherit;resize:vertical}
select.input{appearance:none;-webkit-appearance:none}
textarea.input{line-height:1.45}
button{font-family:inherit;color:var(--text)}
:focus-visible{outline:2px solid var(--blue);outline-offset:2px}

.icon-btn{background:none;border:none;padding:8px;color:var(--text);border-radius:10px;cursor:pointer;display:inline-flex;align-items:center}
.btn-text{background:none;border:none;color:var(--blue);font-size:16px;padding:8px;cursor:pointer}
.btn-chip{background:var(--surface3);border:none;border-radius:999px;padding:8px 16px;font-size:15px;cursor:pointer;color:var(--text)}
.btn-chip.wide{width:100%;margin-bottom:12px}
.btn-chip:disabled{opacity:.5}

/* Apple-style sliding toggle — no checkboxes anywhere */
.toggle{width:51px;height:31px;border-radius:16px;background:#3a3a3c;border:none;position:relative;cursor:pointer;flex:none;transition:background-color .2s;padding:0}
.toggle .knob{position:absolute;top:2px;left:2px;width:27px;height:27px;border-radius:50%;background:#fff;transition:left .18s;box-shadow:0 1px 3px rgba(0,0,0,.4)}
.toggle[aria-checked="true"]{background:var(--green)}
.toggle[aria-checked="true"] .knob{left:22px}

/* segmented control */
.seg{display:flex;background:var(--surface2);border-radius:10px;padding:2px;gap:2px}
.seg button{flex:1;border:none;background:transparent;color:var(--text);font-size:14px;padding:9px 4px;border-radius:8px;cursor:pointer}
.seg button[aria-pressed="true"]{background:var(--surface3);font-weight:600}

/* ---------- login ---------- */
.login{display:flex;align-items:center;justify-content:center;background:#000;padding:24px}
.login-inner{width:100%;max-width:360px;text-align:center}
.login-icon{border-radius:22px;margin-bottom:16px}
.login-title{font-size:28px;margin:0 0 4px}
.login-sub{color:var(--sub);margin:0 0 24px}
.login-error{color:var(--red);font-size:15px;margin-bottom:12px}
.login-label{display:block;text-align:left;font-size:14px;color:var(--sub);margin:0 0 6px}
.pw-wrap{position:relative}
.pw-wrap .input{padding-right:48px}
.pw-wrap .icon-btn{position:absolute;right:4px;top:50%;transform:translateY(-50%);color:var(--sub)}
.stay-row{display:flex;justify-content:space-between;align-items:center;margin:20px 0 4px;font-size:16px}
.stay-hint{color:var(--sub);font-size:13px;text-align:left;margin:0 0 20px}
.btn-unlock{width:100%;background:var(--amber);color:#000;border:none;border-radius:var(--radius);
  font-size:17px;font-weight:700;padding:14px;cursor:pointer;margin-bottom:12px}
.btn-ghost{background:none;border:1px solid var(--sep);border-radius:var(--radius);color:var(--text);
  font-size:16px;padding:12px 20px;cursor:pointer;width:100%}
.inline-note{color:var(--sub);font-size:14px;margin:10px 0}

/* ---------- topbar / tabs ---------- */
.topbar{position:sticky;top:0;z-index:20;display:flex;justify-content:space-between;align-items:center;
  padding:calc(8px + var(--sat)) 12px 8px;background:rgba(0,0,0,.85);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--sep)}
.topbar-left{display:flex;align-items:center;gap:8px}
.topbar-icon{border-radius:7px}
.app-title{font-size:18px;font-weight:700}
.banner{display:flex;justify-content:space-between;align-items:center;gap:8px;background:var(--surface2);
  border:1px solid var(--sep);border-radius:var(--radius);margin:12px;padding:12px;font-size:15px}
.banner-actions{display:flex;gap:8px;flex:none}
.mode-tabs{display:flex;gap:4px;overflow-x:auto;padding:12px 12px 4px;-webkit-overflow-scrolling:touch}
.mode-tabs button{flex:1 0 auto;border:none;background:transparent;color:var(--sub);font-size:15px;padding:10px 12px;
  border-bottom:2px solid transparent;cursor:pointer;white-space:nowrap}
.mode-tabs button[aria-pressed="true"]{color:var(--text);font-weight:600;border-bottom-color:var(--text)}
.mode-blurb{color:var(--sub);font-size:14px;line-height:1.4;padding:4px 16px 8px;margin:0}
.studio-main{padding:4px 16px 0}
.field-block{margin:14px 0}
.field-label{display:block;font-size:14px;color:var(--sub);margin-bottom:6px}
.hint{color:var(--sub);font-size:13px;margin:6px 0 0}
.prompt-tools{display:flex;gap:8px;align-items:center;margin-top:8px}
#btn-enhance.enhanced{background:var(--green);color:#000;font-weight:600}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.stepper{display:flex;align-items:center;background:var(--surface2);border:1px solid var(--sep);border-radius:var(--radius);overflow:hidden}
.step-btn{flex:1;background:none;border:none;font-size:22px;padding:10px;cursor:pointer;color:var(--text)}
.step-val{flex:1;text-align:center;font-size:16px;font-variant-numeric:tabular-nums}
.row-between{display:flex;justify-content:space-between;align-items:center;padding:12px 0;font-size:16px;border-bottom:1px solid var(--surface2)}
.btn-generate{width:100%;background:var(--text);color:#000;border:none;border-radius:var(--radius);
  font-size:17px;font-weight:700;padding:15px;margin:20px 0 8px;cursor:pointer}
.btn-generate:disabled{opacity:.55}
.btn-danger{width:100%;background:none;border:1px solid var(--red);color:var(--red);border-radius:var(--radius);
  font-size:16px;padding:13px;margin-top:20px;cursor:pointer}

/* ---------- frame slots ---------- */
.frame-slot{width:100%;min-height:150px;background:var(--surface2);border:1px dashed var(--sep);border-radius:var(--radius);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;cursor:pointer;color:var(--sub);
  font-size:14px;padding:12px;text-align:center}
.frame-slot img{max-width:100%;max-height:180px;border-radius:8px}
.frame-slot .frame-state{font-size:13px}
.frames-pair{display:flex;align-items:stretch;gap:8px;margin:14px 0}
.frames-pair .frame-wrap{flex:1;min-width:0}
.frame-mid{display:flex;align-items:center;justify-content:center;flex-direction:column;gap:4px;color:var(--sub);font-size:12px;max-width:72px;text-align:center}
.frame-mid .arrow{font-size:22px;color:var(--text)}

/* ---------- shot cards ---------- */
.shot-card{background:var(--surface2);border:1px solid var(--sep);border-radius:var(--radius);padding:12px;margin:12px 0}
.shot-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}
.shot-title{font-weight:600;font-size:15px}
.shot-order{display:flex;gap:4px}
.shot-order button{background:var(--surface3);border:none;border-radius:8px;color:var(--text);font-size:16px;width:34px;height:34px;cursor:pointer}
.shot-remove{background:none;border:none;color:var(--red);font-size:14px;cursor:pointer;padding:6px}
.shot-row{margin:8px 0}
.shot-row .field-label{font-size:13px}
.chain-row{display:flex;justify-content:space-between;align-items:center;gap:8px;font-size:14px;color:var(--sub);margin-top:8px}

/* ---------- job cards / results ---------- */
.job-card{background:var(--surface2);border:1px solid var(--sep);border-radius:var(--radius);padding:12px;margin:12px 0}
.job-top{display:flex;justify-content:space-between;gap:8px;font-size:14px;margin-bottom:8px}
.job-prompt{color:var(--sub);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:70%}
.job-status{flex:none}
.progress{height:6px;background:var(--surface3);border-radius:3px;overflow:hidden}
.progress-fill{height:100%;width:0;background:var(--blue);border-radius:3px;transition:width .4s}
.job-err{color:var(--red);font-size:14px;margin-top:8px}
.video-card{background:var(--surface);border:1px solid var(--sep);border-radius:var(--radius);padding:12px;margin:16px 0}
.video-card video{width:100%;border-radius:8px;background:#000}
.takes-label{font-size:14px;color:var(--sub);margin:12px 0 6px}
.takes{display:flex;gap:8px;overflow-x:auto;padding-bottom:4px}
.take{flex:0 0 96px;border:2px solid transparent;border-radius:8px;overflow:hidden;cursor:pointer;background:#000;padding:0}
.take.current{border-color:var(--blue)}
.take video{width:96px;height:64px;object-fit:cover;display:block}
.video-meta{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-top:10px;font-size:13px;color:var(--sub);flex-wrap:wrap}

/* ---------- stats ---------- */
.section-title{font-size:18px;margin:20px 0 10px}
.stat-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.stat-card{background:var(--surface2);border-radius:var(--radius);padding:14px 10px;text-align:center}
.stat-num{font-size:22px;font-weight:700}
.stat-cap{font-size:12px;color:var(--sub);margin-top:4px}
.model-row{margin:12px 0}
.model-row-top{display:flex;justify-content:space-between;font-size:14px;margin-bottom:6px}
.model-row-top .m-count{color:var(--sub)}
.meter{height:8px;background:var(--surface3);border-radius:4px;overflow:hidden}
.meter-fill{height:100%;width:0;background:var(--blue);border-radius:4px;transition:width .4s}

/* ---------- drawer ---------- */
#drawer-backdrop,#sheet-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:40}
#drawer{position:fixed;top:0;left:0;bottom:0;width:86%;max-width:360px;background:var(--surface);z-index:50;
  transform:translateX(-102%);transition:transform .28s ease;display:flex;flex-direction:column;
  padding-top:var(--sat);border-right:1px solid var(--sep)}
#drawer.open{transform:none}
.drawer-head{display:flex;align-items:center;gap:8px;padding:12px;border-bottom:1px solid var(--sep)}
.drawer-tabs{flex:1}
.drawer-body{flex:1;overflow-y:auto;padding:8px 16px calc(24px + var(--sab));-webkit-overflow-scrolling:touch}
.setting-row{display:flex;justify-content:space-between;align-items:center;padding:12px 0;border-bottom:1px solid var(--surface2);gap:8px}
.setting-row.indent{padding:8px 0 12px;border-bottom:1px solid var(--surface2)}
.setting-row.indent .btn-chip{margin-right:8px}
.setting-text{display:flex;flex-direction:column;gap:2px;min-width:0}
.setting-title{font-size:16px}
.setting-sub{font-size:13px;color:var(--sub)}
.disk-block{margin:20px 0 4px}
.disk-block .setting-sub{display:block;margin:6px 0}
.project-row{display:flex;align-items:center;gap:8px;padding:12px 0;border-bottom:1px solid var(--surface2)}
.project-info{flex:1;min-width:0;text-align:left;background:none;border:none;padding:0;cursor:pointer}
.project-title{font-size:16px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.project-sub{font-size:13px;color:var(--sub)}
.project-row .btn-chip{font-size:13px;padding:6px 12px}
.project-rename{display:flex;gap:6px;flex:1}
.project-rename .input{font-size:15px;padding:8px}

/* ---------- bottom sheet ---------- */
#sheet{position:fixed;left:0;right:0;bottom:0;z-index:60;background:var(--surface2);border-radius:18px 18px 0 0;
  transform:translateY(105%);transition:transform .3s ease;max-height:82dvh;display:flex;flex-direction:column;
  padding-bottom:var(--sab);max-width:720px;margin:0 auto}
#sheet.open{transform:none}
.sheet-handle{width:40px;height:5px;border-radius:3px;background:var(--surface3);margin:10px auto 2px}
.sheet-head{display:flex;justify-content:space-between;align-items:center;padding:8px 16px}
.sheet-head h2{font-size:18px;margin:0}
#sheet-body{overflow-y:auto;padding:4px 16px;-webkit-overflow-scrolling:touch}
#sheet-actions{display:flex;gap:10px;padding:12px 16px 16px}
#sheet-actions.side-by-side .btn-chip{flex:1;padding:13px}
.missing-item{display:flex;justify-content:space-between;align-items:center;padding:12px 0;border-bottom:1px solid var(--surface3);font-size:16px}
.missing-item .btn-chip{font-size:14px;padding:6px 14px}
.suggest-item{padding:10px 0;border-bottom:1px solid var(--surface3)}
.suggest-item .s-name{font-size:16px}
.suggest-item .s-why{font-size:13px;color:var(--orange);margin-top:2px}
.hist-row{padding:12px 0;border-bottom:1px solid var(--surface3)}
.hist-top{display:flex;justify-content:space-between;font-size:13px;color:var(--sub);margin-bottom:4px}
.hist-text{font-size:14px;line-height:1.4;color:var(--text);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.hist-actions{display:flex;gap:8px;margin-top:8px}
.hist-actions .btn-chip{font-size:13px;padding:6px 12px}

/* ---------- validation outlines ---------- */
.field-error{border:2px solid var(--red)!important;border-radius:var(--radius)}
.field-ok{border:2px solid var(--green)!important;border-radius:var(--radius)}
.suggest{border:2px solid var(--orange)!important;border-radius:var(--radius)}
.why-blurb{color:var(--orange);font-size:13px;margin:6px 0 0}

/* ---------- toast ---------- */
#toast{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(24px + var(--sab));z-index:80;
  background:var(--surface3);color:var(--text);padding:12px 18px;border-radius:999px;font-size:15px;max-width:90%;
  text-align:center;box-shadow:0 4px 16px rgba(0,0,0,.5)}

@media (min-width:760px){
  .mode-tabs button{font-size:16px}
}