/* dashboard shell */
body.dash{overflow-x:hidden}
.boot{position:fixed;inset:0;display:grid;place-items:center;color:var(--accent-2)}
.shell{display:grid;grid-template-columns:248px minmax(0,1fr);min-height:100vh}
.sidebar{position:sticky;top:0;height:100vh;display:flex;flex-direction:column;gap:6px;padding:18px 12px;border-right:1px solid var(--line);background:var(--bg-2);overflow-y:auto;overflow-x:hidden;min-width:0}
.credit-box .row{flex-wrap:nowrap}
.sidebar .logo{padding:4px 10px 16px}
.sidebar nav{display:flex;flex-direction:column;gap:2px}
.sidebar nav .grp{font:500 .66rem var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--faint);padding:16px 10px 6px}
.sidebar nav a{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:9px;color:var(--muted);font-size:.9rem;transition:background .12s,color .12s}
.sidebar nav a svg{width:17px;height:17px;flex:none}
.sidebar nav a:hover{background:rgb(var(--tint) / .04);color:var(--ink)}
.sidebar nav a{position:relative}
.sidebar nav a[aria-current]{background:var(--surface-2);color:var(--ink);font-weight:500;box-shadow:inset 0 0 0 1px var(--line)}
.sidebar nav a[aria-current]::before{content:"";position:absolute;left:-12px;top:50%;transform:translateY(-50%);width:3px;height:18px;border-radius:0 3px 3px 0;background:var(--accent)}
.sidebar nav a[aria-current] svg{color:var(--accent-2)}
.side-foot{margin-top:auto;display:grid;gap:10px;padding-top:16px}
.credit-box{border:1px solid var(--line);border-radius:12px;padding:12px;background:linear-gradient(160deg,rgba(155,107,255,.12),transparent 60%),var(--surface)}
.credit-num{font-size:1.45rem;font-weight:600;letter-spacing:-.03em;margin-top:2px;font-variant-numeric:tabular-nums}
.link-accent{color:var(--accent-2);font-size:.8rem}
.user-row{display:flex;align-items:center;gap:10px;padding:6px 4px}
.avatar{width:32px;height:32px;border-radius:50%;display:grid;place-items:center;flex:none;font-weight:600;font-size:.86rem;color:#fff;background:linear-gradient(135deg,var(--accent),#4f7bff)}
.ellipsis{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.main{min-width:0;display:flex;flex-direction:column}
.dash-top{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:12px;height:58px;padding:0 28px;border-bottom:1px solid var(--line);background:var(--glass);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}
.crumb{display:flex;gap:8px;font-size:.9rem}
.menu-toggle{display:none}
.content{padding:28px;max-width:1280px;width:100%}
.page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:22px}
.page-head h1{font-size:1.6rem;letter-spacing:-.02em;margin-bottom:4px}
.page-head{border-bottom:1px solid var(--line);padding-bottom:16px}
.page-head p{margin:0}
.card-head{margin-bottom:12px}.card-head h3{margin:0}
@media (max-width:900px){
  .shell{grid-template-columns:1fr}
  .sidebar{position:fixed;z-index:60;left:0;top:0;width:264px;transform:translateX(-100%);transition:transform .2s;box-shadow:var(--shadow)}
  .sidebar.open{transform:none}
  .menu-toggle{display:inline-flex}
  .content{padding:20px 16px}.dash-top{padding:0 16px}
  .hide-sm{display:none}
}

/* stats */
.stats{margin-bottom:16px}
.stat{position:relative;overflow:hidden}
.stat::after{content:"";position:absolute;right:-30px;top:-30px;width:90px;height:90px;border-radius:50%;background:var(--accent-soft);opacity:.5;pointer-events:none}
.stat .k{font-size:.78rem;color:var(--muted);font-weight:500;letter-spacing:.01em}
.stat .v{font-size:1.9rem;font-weight:600;letter-spacing:-.035em;margin-top:6px;font-variant-numeric:tabular-nums;line-height:1.2}
.stat .s{font-size:.8rem;color:var(--faint);margin-top:2px;min-height:1.2em}
.ov-grid{grid-template-columns:1.5fr 1fr;margin-bottom:16px}
@media (max-width:1100px){.ov-grid{grid-template-columns:1fr}}
.chart{height:220px;position:relative}
.chart svg{width:100%;height:100%;display:block;overflow:visible}
.chart .bar{fill:url(#barg);transition:opacity .15s}
.chart .bar:hover{opacity:.75}
.chart text{fill:var(--faint);font:10px var(--mono)}
.chart .gl{stroke:var(--line)}
.chart-tip{position:absolute;pointer-events:none;background:var(--surface-3);border:1px solid var(--line-2);border-radius:8px;padding:6px 9px;font-size:.78rem;white-space:nowrap;transform:translate(-50%,-110%)}
.snippet{font-size:.78rem;max-height:260px}
.launch{margin-bottom:16px}
.tile{display:flex;flex-direction:column;gap:2px;padding:18px}
.tile .ico{width:36px;height:36px;border-radius:10px;display:grid;place-items:center;background:var(--accent-soft);color:var(--accent-2);margin-bottom:10px}
.tile .ico svg{width:18px;height:18px}
.tile span{color:var(--muted);font-size:.85rem}
.table-wrap.flat{border:0;border-radius:0;background:transparent;border-top:1px solid var(--line)}
.st{display:inline-flex;align-items:center;gap:6px;font-size:.82rem}
.st::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--faint)}
.st.completed::before{background:var(--good)}.st.failed::before{background:var(--bad)}.st.refunded::before{background:var(--warn)}
.st.running::before,.st.pending::before,.st.queued::before,.st.processing::before{background:var(--cyan);animation:pulse 1.2s infinite}
@keyframes pulse{50%{opacity:.3}}

/* keys */
.keyline{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-top:10px}
.keyline code{flex:1;min-width:0;overflow-x:auto;white-space:nowrap;background:var(--bg-2)!important;color:var(--ink)!important;padding:10px 12px!important;border-radius:10px!important;font-size:.86rem}
.kv{display:grid;grid-template-columns:110px 1fr auto;align-items:center;gap:10px;padding:10px 0;border-bottom:1px solid var(--line)}
.kv:last-child{border-bottom:0}.kv span{color:var(--muted);font-size:.86rem}
.kv code{justify-self:start}

/* playground */
.pg{display:grid!important;grid-template-columns:minmax(0,1fr) 300px;gap:16px;height:calc(100vh - 58px - 56px)}
.pg[hidden]{display:none!important}
.pg-main{display:flex;flex-direction:column;padding:0;min-height:0;overflow:hidden}
.pg-bar{padding:12px 14px;border-bottom:1px solid var(--line)}
.pg-msgs{flex:1;overflow-y:auto;padding:22px;display:flex;flex-direction:column;gap:18px}
.msg{display:flex;gap:12px;max-width:860px}
.msg .who{width:28px;height:28px;border-radius:8px;flex:none;display:grid;place-items:center;font-size:.72rem;font-weight:600}
.msg.user .who{background:var(--surface-3);color:var(--ink-2)}
.msg.assistant .who{background:var(--accent-soft);color:var(--accent-2)}
.msg .body{min-width:0;white-space:pre-wrap;word-wrap:break-word;line-height:1.65;padding-top:3px}
.msg .body pre{white-space:pre;margin:8px 0}
.msg .meta{font:.72rem var(--mono);color:var(--faint);margin-top:6px}
.msg.err .body{color:var(--bad)}
.pg-input{display:flex;gap:10px;padding:12px;border-top:1px solid var(--line);align-items:flex-end}
.pg-input textarea{min-height:44px;max-height:220px;resize:none}
.pg-input .btn{height:44px;width:44px;padding:0}
.pg-side{overflow-y:auto}
.pg-stats{margin-top:18px;display:grid;gap:6px;font-size:.84rem}
.pg-stats div{display:flex;justify-content:space-between;color:var(--muted)}
.pg-stats b{color:var(--ink);font-weight:500;font-family:var(--mono);font-size:.8rem}
.pg-caps{margin-top:14px}
.pg-empty{margin:auto;text-align:center;color:var(--muted);max-width:420px}
.pg-empty .sugs{display:grid;gap:8px;margin-top:18px}
.pg-empty .sugs button{text-align:left;background:var(--bg-2);border:1px solid var(--line);color:var(--ink-2);padding:10px 14px;border-radius:10px;cursor:pointer;font:inherit;font-size:.88rem}
.pg-empty .sugs button:hover{border-color:var(--line-2);color:var(--ink)}
@media (max-width:1000px){.pg{grid-template-columns:1fr;height:auto}.pg-main{height:70vh}}

/* studios */
.studio{display:grid;grid-template-columns:380px minmax(0,1fr);gap:20px;align-items:start}
@media (max-width:1050px){.studio{grid-template-columns:1fr}.studio-form{position:static}}
.studio-form{position:sticky;top:78px}
.seg{display:flex;gap:6px;flex-wrap:wrap}
.seg button{height:34px;min-width:52px;padding:0 10px;border-radius:9px;border:1px solid var(--line-2);background:var(--bg-2);color:var(--muted);font:500 .82rem var(--mono);cursor:pointer}
.seg button[aria-pressed="true"]{border-color:var(--accent);color:var(--ink);background:var(--accent-soft)}
.cost-line{display:flex;justify-content:space-between;align-items:center;padding:12px 0 14px;border-top:1px dashed var(--line-2);margin-top:4px;font-size:.9rem}
.cost-line b{font-family:var(--mono);font-weight:500}
.stage{min-height:420px;display:grid;place-items:center;padding:16px;background:
  linear-gradient(45deg,rgb(var(--tint) / .015) 25%,transparent 25%,transparent 75%,rgb(var(--tint) / .015) 75%),linear-gradient(45deg,rgb(var(--tint) / .015) 25%,transparent 25%,transparent 75%,rgb(var(--tint) / .015) 75%),var(--surface);background-size:24px 24px;background-position:0 0,12px 12px}
.stage img,.stage video{max-height:640px;border-radius:10px;display:block;margin:auto}
.stage .res{display:grid;gap:12px;justify-items:center;width:100%}
.progress{display:grid;gap:12px;justify-items:center;color:var(--muted);text-align:center}
.progress .spin{width:28px;height:28px;border-width:3px;color:var(--accent-2)}
.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px}
.gallery.lg{grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px}
.g-item{position:relative;aspect-ratio:1;border-radius:11px;overflow:hidden;border:1px solid var(--line);background:var(--surface);cursor:pointer}
.g-item img,.g-item video{width:100%;height:100%;object-fit:cover;display:block}
.g-item .cap{position:absolute;inset:auto 0 0;padding:22px 9px 7px;background:linear-gradient(transparent,rgba(0,0,0,.8));font:.7rem var(--mono);color:var(--ink-2);display:flex;justify-content:space-between;gap:6px}
.g-item.audio{display:flex;flex-direction:column;justify-content:center;padding:14px;gap:10px;aspect-ratio:auto;min-height:150px;cursor:default}
.g-item.audio audio{width:100%}
.g-item.fail{display:grid;place-items:center;color:var(--faint);font-size:.8rem;text-align:center;padding:10px;cursor:default}
.voice-list{margin-top:8px;max-height:260px;overflow-y:auto;border:1px solid var(--line);border-radius:10px;background:var(--bg-2)}
.voice{display:flex;align-items:center;gap:10px;padding:9px 12px;border-bottom:1px solid var(--line);cursor:pointer;font-size:.88rem}
.voice:last-child{border-bottom:0}
.voice:hover{background:rgb(var(--tint) / .03)}
.voice[aria-selected="true"]{background:var(--accent-soft)}
.voice .vn{font-weight:500}.voice .vm{font-size:.76rem;color:var(--faint)}
.voice .pv{margin-left:auto}
.audio-stage{min-height:220px}
.audio-list{display:grid;gap:10px}
.audio-row{display:flex;align-items:center;gap:12px;padding:12px 14px;border:1px solid var(--line);border-radius:12px;background:var(--surface);flex-wrap:wrap}
.audio-row audio{flex:1;min-width:220px;height:36px}

/* usage */
.kind-bars{display:grid;gap:12px}
.kb{display:grid;grid-template-columns:90px 1fr 140px;gap:12px;align-items:center;font-size:.88rem}
.kb .track{height:8px;border-radius:99px;background:var(--surface-3);overflow:hidden}
.kb .fill{height:100%;background:linear-gradient(90deg,var(--accent),var(--accent-2));border-radius:99px}
.kb .n{text-align:right;font-family:var(--mono);font-size:.8rem;color:var(--muted)}

/* billing */
.balance-hero{display:flex;align-items:center;gap:20px;padding:26px;background:radial-gradient(60% 120% at 0% 0%,rgba(155,107,255,.2),transparent 60%),var(--surface)}
.balance-hero .big{font-size:2.6rem;font-weight:600;letter-spacing:-.04em;line-height:1.1;font-variant-numeric:tabular-nums}

/* settings */
.settings-row{display:grid;grid-template-columns:1fr 1.2fr;gap:24px;align-items:center;margin-bottom:12px}
.settings-row h3{margin-bottom:4px}.settings-row p{margin:0;font-size:.88rem}
.danger-zone{border-color:rgba(255,107,122,.25)}
@media (max-width:760px){.settings-row{grid-template-columns:1fr}}

/* modal */
.modal{position:fixed;inset:0;z-index:100;background:rgba(0,0,0,.65);backdrop-filter:blur(4px);display:grid;place-items:center;padding:16px}
.modal-box{width:100%;max-width:720px;max-height:90vh;overflow:auto}
.modal-box img,.modal-box video{width:100%;border-radius:10px}
.scrim{position:fixed;inset:0;z-index:55;background:rgba(0,0,0,.5)}

/* models & integrations */
.endpoints{margin-bottom:16px}
.endpoints .card{padding:16px}.endpoints .k{font-size:.68rem;letter-spacing:.12em;margin-bottom:6px}
.endpoints code{font-size:.86rem}.endpoints p{margin:8px 0 0;font-size:.84rem}
.test-card{display:grid;grid-template-columns:1fr auto;gap:14px;align-items:center;margin-bottom:18px}
.test-card pre{grid-column:1/-1;margin:0}
@media (max-width:760px){.test-card{grid-template-columns:1fr}}
.int-tabs{margin-bottom:12px}
.guide h3{margin:0 0 6px}.guide>p{color:var(--muted)}
.guide ol.steps{counter-reset:st;list-style:none;padding:0;margin:18px 0 0;display:grid;gap:18px}
.guide ol.steps>li{counter-increment:st;position:relative;padding-left:42px}
.guide ol.steps>li::before{content:counter(st);position:absolute;left:0;top:0;width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:var(--accent-soft);color:var(--accent-2);font:600 .8rem var(--mono)}
.guide ol.steps b{display:block;margin-bottom:6px}
.guide .code-wrap{position:relative;margin-top:8px}
.guide .code-wrap pre{padding-right:90px}
.guide .code-wrap .btn{position:absolute;top:8px;right:8px}
.guide .note{margin-top:18px}
.os-tabs{margin:10px 0 0}

/* upload ảnh trong studio */
.drop{display:flex;flex-direction:column;align-items:center;gap:4px;padding:18px 14px;border:1.5px dashed var(--line-2);border-radius:12px;background:var(--surface-2);cursor:pointer;text-align:center;transition:border-color .15s,background .15s}
.drop:hover,.drop:focus-visible,.drop.over{border-color:var(--accent);background:var(--accent-soft)}
.drop b{font-size:.92rem;font-weight:500}
.drop .faint{font-size:.78rem}
.drop.busy{opacity:.6;pointer-events:none}
.drop-ico{width:26px;height:26px;border-radius:8px;background:var(--accent-soft);display:grid;place-items:center;color:var(--accent-2);margin-bottom:2px}
.drop-ico::before{content:"+";font:600 1.15rem/1 var(--sans)}
.thumbs{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.thumbs:empty{display:none}
.thumb{position:relative;width:64px;height:64px;border-radius:9px;overflow:hidden;border:1px solid var(--line)}
.thumb img{width:100%;height:100%;object-fit:cover}
.thumb .x{position:absolute;top:2px;right:2px;width:19px;height:19px;border:0;border-radius:50%;background:rgba(0,0,0,.65);color:#fff;font-size:.82rem;line-height:1;cursor:pointer}
.url-more{margin-top:10px}
.url-more summary{cursor:pointer;font-size:.8rem;list-style:none}
.url-more summary::-webkit-details-marker{display:none}
.url-more summary::before{content:"+ ";}
.url-more[open] summary::before{content:"− ";}
.url-more .in{margin-top:8px}

/* ── v2: thanh trên gọn, card nổi nhẹ ── */
.dash-top{height:62px}
.tile{transition:transform .15s,box-shadow .15s}
.tile:hover{transform:translateY(-2px);box-shadow:var(--lift)}
.credit-box{background:linear-gradient(150deg,var(--accent-soft),transparent 65%),var(--surface)}
.credit-num{font-size:1.6rem}