:root{
  --bg:#090b11;--panel:#11141d;--panel2:#171a25;--line:#262b3a;--line2:#343a4d;
  --text:#f5f7ff;--muted:#9299ad;--soft:#c1c6d5;--purple:#8b5cf6;--cyan:#22d3ee;
  --danger:#fb7185;--success:#34d399;--warning:#fbbf24;--sidebar:270px;
}
*{box-sizing:border-box}html,body{height:100%}body{margin:0;background:var(--bg);color:var(--text);font:14px/1.5 Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;overflow:hidden}button,input,textarea,select{font:inherit}button{cursor:pointer}.hidden{display:none!important}.mobile-only{display:none!important}.desktop-only{display:inline}.app-shell{height:100%;display:flex}.sidebar{width:var(--sidebar);flex:0 0 var(--sidebar);height:100%;background:#0d1017;border-right:1px solid var(--line);display:flex;flex-direction:column;position:relative;z-index:20}.sidebar-head{height:74px;display:flex;align-items:center;gap:11px;padding:0 17px;border-bottom:1px solid var(--line)}.brand-mark{width:46px;height:46px;border-radius:15px;display:grid;place-items:center;background:linear-gradient(135deg,var(--purple),var(--cyan));font-size:17px;font-weight:900;box-shadow:0 10px 25px #8b5cf633}.brand-mark.small{width:40px;height:40px;border-radius:13px;font-size:14px}.brand-copy{min-width:0;display:flex;flex-direction:column}.brand-copy strong{font-size:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.brand-copy span{font-size:11px;color:var(--muted)}.new-chat-btn{margin:15px 14px 9px;padding:11px 13px;border:1px solid #3b4052;border-radius:12px;background:#171a24;color:#fff;font-weight:700;text-align:left;transition:.2s}.new-chat-btn:hover{border-color:#8b5cf6;background:#1b1d2b}.new-chat-btn span{display:inline-grid;place-items:center;width:22px;height:22px;margin-right:6px;border-radius:7px;background:#2b3040}.main-nav{padding:5px 10px;display:grid;gap:4px}.nav-item{display:flex;align-items:center;gap:11px;width:100%;padding:10px 11px;border:0;border-radius:11px;background:transparent;color:#aeb4c4;text-align:left}.nav-item span{width:25px;text-align:center;font-size:16px}.nav-item b{font-weight:650;flex:1}.nav-item em{font-size:10px;font-style:normal;color:#ddd6fe;background:#6d28d9;padding:2px 7px;border-radius:999px}.nav-item:hover,.nav-item.active{background:#1a1d29;color:#fff}.nav-item.active{box-shadow:inset 3px 0 0 var(--purple)}.history-wrap{min-height:0;flex:1;padding:7px 10px;overflow:auto}.section-label{padding:8px 10px;color:#656c80;font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.08em}.chat-history{display:grid;gap:3px}.history-item{padding:9px 11px;border:0;border-radius:9px;background:transparent;color:#969daf;text-align:left;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.history-item:hover,.history-item.active{background:#171a24;color:#fff}.sidebar-foot{border-top:1px solid var(--line);padding:12px}.user-card{display:flex;align-items:center;gap:10px;padding:8px;border-radius:13px;background:#141720}.user-card .avatar{width:36px;height:36px;border-radius:11px;display:grid;place-items:center;background:#30265b;color:#dcd6ff;font-weight:800}.user-card>div:nth-child(2){min-width:0;flex:1;display:flex;flex-direction:column}.user-card strong{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:13px}.user-card span{font-size:11px;color:var(--muted)}.icon-btn{border:0;background:transparent;color:#9aa1b3;border-radius:9px;padding:8px}.icon-btn:hover{background:#242837;color:#fff}.main-area{min-width:0;flex:1;height:100%;display:flex;flex-direction:column;background:radial-gradient(circle at 65% -20%,#261b4422,transparent 35%),var(--bg)}.topbar{height:66px;flex:0 0 66px;display:flex;align-items:center;padding:0 21px;border-bottom:1px solid var(--line);background:#0b0d14dd;backdrop-filter:blur(16px);z-index:10}.top-title{display:flex;flex-direction:column}.top-title strong{font-size:15px}.top-title span{color:var(--muted);font-size:11px}.top-actions{margin-left:auto;display:flex;align-items:center;gap:8px;color:#8e95a8;font-size:12px}.online-dot{width:8px;height:8px;border-radius:50%;background:var(--success);box-shadow:0 0 0 4px #34d39916}.view{display:none;min-height:0;flex:1}.active-view{display:flex}.page-scroll{height:100%;width:100%;overflow:auto;padding:26px}.panel{background:linear-gradient(180deg,#151823,#11141d);border:1px solid var(--line);border-radius:20px;box-shadow:0 16px 44px #0003}.primary-btn,.secondary-btn{border:0;border-radius:12px;padding:12px 16px;font-weight:800;color:#fff}.primary-btn{background:linear-gradient(135deg,#8b5cf6,#6366f1);box-shadow:0 10px 26px #7c3aed33}.primary-btn:hover{filter:brightness(1.08)}.primary-btn:disabled{opacity:.55;cursor:not-allowed}.secondary-btn{background:#171a24;border:1px solid #33394b}.form-error{min-height:20px;margin:8px 0 0;color:#fda4af;font-size:12px}.toast{position:fixed;right:22px;bottom:22px;z-index:100;max-width:380px;padding:12px 15px;border-radius:12px;background:#202432;border:1px solid #3b4257;color:#fff;box-shadow:0 20px 60px #0007;transform:translateY(30px);opacity:0;pointer-events:none;transition:.25s}.toast.show{transform:none;opacity:1}.toast.error{border-color:#7f1d2d;background:#35141a}.toast.success{border-color:#166534;background:#0f2c23}

/* Auth */
.auth-shell{min-height:100%;display:grid;place-items:center;padding:24px;background:radial-gradient(circle at 20% 10%,#5b21b633,transparent 30%),radial-gradient(circle at 85% 80%,#0891b222,transparent 28%),#080a10}.auth-card{width:min(430px,100%);padding:30px;border-radius:26px;background:#12151f;border:1px solid #2b3040;box-shadow:0 30px 100px #000a}.auth-brand{display:flex;align-items:center;gap:14px;margin-bottom:28px}.auth-brand h1{font-size:22px;margin:0}.auth-brand p{margin:3px 0 0;color:var(--muted)}.auth-form{display:grid;gap:9px}.auth-form label,.field-label{font-size:12px;color:#b5bbca;font-weight:700;margin-top:5px}.auth-form input,.settings-card input,.settings-card textarea,.settings-card select,.create-panel textarea,.create-panel select{width:100%;border:1px solid #343a4c;background:#0c0f17;color:#fff;border-radius:12px;padding:12px 13px;outline:none}.auth-form input:focus,.settings-card input:focus,.settings-card textarea:focus,.settings-card select:focus,.create-panel textarea:focus,.create-panel select:focus{border-color:#8b5cf6;box-shadow:0 0 0 3px #8b5cf622}.password-wrap{display:flex;border:1px solid #343a4c;background:#0c0f17;border-radius:12px;overflow:hidden}.password-wrap:focus-within{border-color:#8b5cf6;box-shadow:0 0 0 3px #8b5cf622}.password-wrap input{border:0;box-shadow:none!important;border-radius:0}.password-wrap button{border:0;background:transparent;color:#9ba2b6;padding:0 13px}.auth-form .primary-btn{margin-top:13px}.auth-footer{margin-top:24px;text-align:center;color:#62697d;font-size:11px}

/* Chat */
#chatView{flex-direction:column}.chat-messages{flex:1;min-height:0;overflow:auto;padding:30px max(20px,calc((100% - 850px)/2)) 180px}.welcome-panel{text-align:center;padding-top:min(10vh,80px)}.hero-orb{width:70px;height:70px;margin:0 auto 20px;border-radius:24px;display:grid;place-items:center;font-size:29px;background:linear-gradient(145deg,#8b5cf6,#3b82f6 65%,#22d3ee);box-shadow:0 20px 55px #7c3aed44}.welcome-panel h2{font-size:clamp(26px,4vw,38px);margin:0 0 7px;letter-spacing:-.035em}.welcome-panel>p{margin:0 auto 29px;color:var(--muted);max-width:600px}.suggestion-grid{display:grid;grid-template-columns:1fr 1fr;gap:11px;max-width:720px;margin:auto}.suggestion{border:1px solid var(--line);border-radius:16px;background:#11141c;color:#fff;padding:16px;text-align:left;display:grid;grid-template-columns:35px 1fr;column-gap:10px}.suggestion:hover{border-color:#55477c;background:#171a25;transform:translateY(-1px)}.suggestion span{grid-row:1/3;width:35px;height:35px;border-radius:11px;display:grid;place-items:center;background:#24213a;color:#c4b5fd}.suggestion b{font-size:13px}.suggestion small{color:var(--muted);font-size:11px}.message-row{display:flex;gap:12px;margin:0 0 22px}.message-row.user{flex-direction:row-reverse}.message-avatar{width:34px;height:34px;flex:0 0 34px;border-radius:11px;display:grid;place-items:center;background:#232738;color:#d7dbea;font-weight:800}.message-row.assistant .message-avatar{background:linear-gradient(135deg,#8b5cf6,#22d3ee);color:#fff}.message-bubble{max-width:min(78%,700px);padding:13px 15px;border-radius:17px;background:#151924;border:1px solid #282e40;color:#e9ebf3;white-space:pre-wrap;word-break:break-word}.message-row.user .message-bubble{background:#5b3bb8;border-color:#7155cc;color:#fff}.message-bubble code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;background:#0b0e15;padding:2px 5px;border-radius:5px}.typing{display:flex;gap:5px;align-items:center;height:20px}.typing i{width:6px;height:6px;border-radius:50%;background:#9ca3af;animation:bounce 1.2s infinite}.typing i:nth-child(2){animation-delay:.15s}.typing i:nth-child(3){animation-delay:.3s}@keyframes bounce{0%,80%,100%{transform:translateY(0);opacity:.4}40%{transform:translateY(-5px);opacity:1}}.composer-wrap{position:absolute;left:var(--sidebar);right:0;bottom:0;padding:17px max(20px,calc((100% - var(--sidebar) - 850px)/2)) 13px;background:linear-gradient(180deg,transparent,#090b11 22%,#090b11 100%);z-index:5}.chat-composer{border:1px solid #34394c;border-radius:18px;background:#151822;box-shadow:0 18px 50px #0008;overflow:hidden}.chat-composer:focus-within{border-color:#6650a4;box-shadow:0 18px 55px #0008,0 0 0 3px #8b5cf616}.chat-composer textarea{width:100%;max-height:180px;resize:none;border:0;outline:none;background:transparent;color:#fff;padding:15px 16px 6px}.composer-tools{display:flex;align-items:center;padding:7px 9px 9px}.composer-tools>span{font-size:10px;color:#6e7588}.tool-btn{width:32px;height:32px;border:0;border-radius:9px;background:#232735;color:#cbd0de;margin-right:9px}.send-btn{margin-left:auto;width:36px;height:36px;border:0;border-radius:11px;background:linear-gradient(135deg,#8b5cf6,#6366f1);color:#fff;font-weight:900}.send-btn:disabled{opacity:.5}.ai-note{text-align:center;color:#5f6678;font-size:10px;margin-top:7px}

/* Video */
.video-page{padding-bottom:60px}.video-hero{max-width:1180px;margin:0 auto 22px;padding:28px 30px;border-radius:24px;display:flex;align-items:center;justify-content:space-between;overflow:hidden;position:relative;background:radial-gradient(circle at 80% 30%,#22d3ee33,transparent 28%),radial-gradient(circle at 25% 0%,#8b5cf644,transparent 40%),linear-gradient(135deg,#19132c,#101927);border:1px solid #3d3658}.video-hero:after{content:"";position:absolute;inset:auto -50px -90px auto;width:250px;height:250px;border:1px solid #ffffff12;border-radius:50%;box-shadow:0 0 0 28px #ffffff08,0 0 0 56px #ffffff05}.eyebrow{font-size:10px;letter-spacing:.16em;color:#c4b5fd;font-weight:900}.video-hero h2{font-size:32px;letter-spacing:-.04em;margin:5px 0}.video-hero p{margin:0;color:#adb3c4;max-width:620px}.video-badge{position:relative;z-index:1;text-align:center;padding:17px 21px;border-radius:17px;background:#ffffff10;border:1px solid #ffffff1f;color:#e9e7ff;font-weight:800;line-height:1.7}.studio-grid{max-width:1180px;margin:auto;display:grid;grid-template-columns:minmax(0,1.2fr) minmax(340px,.8fr);gap:18px}.create-panel,.preview-panel{padding:22px}.panel-title{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:18px}.panel-title h3{margin:0;font-size:17px}.panel-title p{margin:3px 0 0;color:var(--muted);font-size:12px}.status-pill{font-size:10px;color:#a7f3d0;background:#064e3b55;border:1px solid #166534;padding:5px 8px;border-radius:999px}.create-panel textarea{resize:vertical;min-height:128px}.prompt-tips{display:flex;gap:7px;flex-wrap:wrap;margin:9px 0 15px}.prompt-tips button{border:1px solid #33384a;background:#171a25;color:#aeb5c7;border-radius:999px;padding:6px 10px;font-size:10px}.prompt-tips button:hover{border-color:#7c5fc1;color:#fff}.field-label{display:block;margin:10px 0 7px}.field-label span{color:#676f83;font-weight:500}.upload-zone{min-height:155px;border:1px dashed #42495d;border-radius:15px;background:#0e1119;display:grid;place-items:center;cursor:pointer;overflow:hidden}.upload-zone:hover{border-color:#8b5cf6;background:#111522}.upload-zone input{display:none}#uploadEmpty{text-align:center;display:grid;place-items:center;gap:5px;color:#bdc3d1}.upload-zone small{color:#70788d}.upload-icon{width:40px;height:40px;border-radius:13px;display:grid;place-items:center;background:#202538;color:#c4b5fd;font-size:20px}.upload-preview{position:relative;width:100%;height:190px}.upload-preview img{width:100%;height:100%;object-fit:contain;background:#090b11}.upload-preview button{position:absolute;right:10px;top:10px;width:31px;height:31px;border:0;border-radius:10px;background:#080a10cc;color:#fff}.control-grid{display:grid;grid-template-columns:1fr 1fr 1.25fr;gap:10px}.create-panel select,.settings-card select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,#8f96a8 50%),linear-gradient(135deg,#8f96a8 50%,transparent 50%);background-position:calc(100% - 16px) 50%,calc(100% - 11px) 50%;background-size:5px 5px,5px 5px;background-repeat:no-repeat}.cost-line{display:flex;align-items:center;justify-content:space-between;margin:16px 0 10px;color:#9097a9;font-size:12px}.cost-line b{color:#ddd6fe}.generate-btn{width:100%;padding:14px}.preview-panel{min-height:500px}.empty-preview{height:410px;border:1px dashed #343a4b;border-radius:16px;background:radial-gradient(circle at 50% 40%,#6d28d91d,transparent 35%),#0d1017;display:grid;align-content:center;justify-items:center;gap:7px;color:#8d94a7}.preview-orb{width:64px;height:64px;border-radius:50%;display:grid;place-items:center;padding-left:4px;background:linear-gradient(135deg,#8b5cf6,#3b82f6);color:#fff;box-shadow:0 15px 45px #7c3aed44;font-size:22px;margin-bottom:5px}.latest-card{display:flex;flex-direction:column;gap:12px}.latest-card video{width:100%;max-height:410px;border-radius:15px;background:#07090e}.latest-card .job-meta{display:flex;justify-content:space-between;color:#9198aa;font-size:11px}.render-progress{height:410px;border-radius:16px;background:#0c0f16;border:1px solid #2a2f3e;display:grid;align-content:center;justify-items:center;text-align:center;padding:28px}.progress-ring{width:90px;height:90px;border-radius:50%;display:grid;place-items:center;background:conic-gradient(#8b5cf6 var(--progress,10%),#272b38 0);position:relative;margin-bottom:18px}.progress-ring:before{content:"";position:absolute;inset:8px;border-radius:50%;background:#0c0f16}.progress-ring b{position:relative;font-size:18px}.render-progress p{margin:5px 0;color:#8e96a8;max-width:300px}

/* Library */
.page-heading{max-width:1180px;margin:0 auto 20px;display:flex;justify-content:space-between;align-items:center}.page-heading h2{font-size:26px;margin:0;letter-spacing:-.03em}.page-heading p{margin:3px 0 0;color:var(--muted)}.video-library{max-width:1180px;margin:auto;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}.video-card{overflow:hidden;border-radius:17px;background:#131620;border:1px solid #292e3d}.video-thumb{aspect-ratio:16/10;background:#090b10;position:relative;display:grid;place-items:center;overflow:hidden}.video-thumb.portrait{aspect-ratio:10/13}.video-thumb video,.video-thumb img{width:100%;height:100%;object-fit:cover}.video-thumb .state{display:grid;place-items:center;gap:6px;color:#8f96a9}.video-thumb .state i{width:33px;height:33px;border:3px solid #34394b;border-top-color:#8b5cf6;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.video-card-body{padding:13px}.video-card-body h4{margin:0 0 9px;font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.video-card-meta{display:flex;justify-content:space-between;align-items:center;color:#7e8699;font-size:10px}.state-badge{padding:3px 7px;border-radius:999px;background:#2b3040;color:#c5cada}.state-badge.ok{background:#064e3b66;color:#a7f3d0}.state-badge.fail{background:#7f1d1d55;color:#fecaca}.empty-library{grid-column:1/-1;padding:70px 20px;text-align:center;color:#7e8699;border:1px dashed #303646;border-radius:18px}.video-actions{display:flex;gap:7px;margin-top:10px}.video-actions a{flex:1;text-align:center;text-decoration:none;border:1px solid #353b4e;color:#d5d9e4;border-radius:9px;padding:7px;font-size:11px}

/* Settings */
.settings-grid{max-width:1180px;margin:auto;display:grid;grid-template-columns:1fr 1fr;gap:16px}.settings-card{padding:21px;display:flex;flex-direction:column;gap:6px}.settings-card h3{margin:0 0 8px}.settings-card textarea{resize:vertical}.check-row{display:flex;align-items:center;gap:9px;margin-top:12px;color:#c1c6d4}.check-row input{width:17px;height:17px;accent-color:#8b5cf6}.info-box{margin-top:14px;border:1px solid #2c4260;background:#122034;color:#a9c9ef;border-radius:12px;padding:11px;font-size:11px}.settings-actions{grid-column:1/-1;display:flex;align-items:center;gap:14px;padding-bottom:50px}.settings-actions span{color:#9de9c8}

@media(max-width:1000px){.studio-grid{grid-template-columns:1fr}.preview-panel{min-height:420px}.empty-preview,.render-progress{height:340px}.video-library{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:760px){body{overflow:hidden}.mobile-only{display:inline-flex!important}.desktop-only{display:none!important}.sidebar{position:fixed;left:0;top:0;bottom:0;transform:translateX(-105%);transition:.25s;box-shadow:20px 0 60px #000b}.sidebar.open{transform:none}.sidebar:after{content:"";position:fixed;left:100%;top:0;width:100vw;height:100%;background:#0008;opacity:0;pointer-events:none;transition:.25s}.sidebar.open:after{opacity:1;pointer-events:auto}.sidebar-head .mobile-only{margin-left:auto}.main-area{width:100%}.topbar{height:60px;flex-basis:60px;padding:0 13px}.top-title{margin-left:7px}.composer-wrap{left:0;padding:14px 12px 10px}.chat-messages{padding:20px 13px 165px}.welcome-panel{padding-top:30px}.suggestion-grid{grid-template-columns:1fr}.suggestion:nth-child(n+3){display:none}.message-bubble{max-width:85%}.page-scroll{padding:17px 13px}.video-hero{padding:22px 19px}.video-hero h2{font-size:26px}.video-badge{display:none}.create-panel,.preview-panel{padding:16px}.control-grid{grid-template-columns:1fr 1fr}.control-grid>div:last-child{grid-column:1/-1}.video-library{grid-template-columns:1fr 1fr;gap:10px}.page-heading h2{font-size:22px}.settings-grid{grid-template-columns:1fr}.settings-actions{grid-column:auto}.toast{left:12px;right:12px;bottom:12px;max-width:none}.composer-tools>span{display:none}}
@media(max-width:480px){.video-library{grid-template-columns:1fr}.auth-card{padding:22px}.page-heading{align-items:flex-start}.page-heading .secondary-btn{padding:9px 10px}.video-thumb.portrait{aspect-ratio:4/3}}


/* HT AI brand logo v1.3 */
.brand-mark{background:transparent;box-shadow:none;border-radius:0;overflow:visible}
.brand-mark img{display:block;width:100%;height:100%;object-fit:contain}
.auth-brand .brand-mark{width:64px;height:64px;flex:0 0 64px}
.hero-orb{background:transparent;box-shadow:none;border-radius:0;overflow:visible}
.hero-orb img{display:block;width:100%;height:100%;object-fit:contain;filter:drop-shadow(0 14px 25px #22d3ee30)}
.message-row.assistant .message-avatar{background:transparent;overflow:visible}
.message-row.assistant .message-avatar img{display:block;width:100%;height:100%;object-fit:contain}

/* Chat composer command bar v1.3 */
.chat-composer{overflow:visible;position:relative}
.chat-composer textarea{padding:16px 17px 8px;min-height:54px}
.composer-commandbar{gap:8px;padding:6px 10px 10px;min-width:0}
.composer-actions{display:flex;align-items:center;gap:2px;min-width:0;flex:1;overflow-x:auto;overflow-y:visible;scrollbar-width:none;overscroll-behavior-inline:contain;white-space:nowrap;padding:1px 0}
.composer-actions::-webkit-scrollbar{display:none}
.composer-plus{flex:0 0 34px;width:34px;height:34px;margin:0;border-radius:50%;font-size:24px;font-weight:300;line-height:1;background:transparent;color:#f1f4ff}
.composer-plus:hover{background:#262a38}
.composer-divider{flex:0 0 1px;width:1px;height:22px;margin:0 6px;background:#34394b}
.speed-tool-wrap{position:relative;flex:0 0 auto}
.composer-action{height:34px;display:inline-flex;align-items:center;gap:6px;flex:0 0 auto;border:0;border-radius:9px;padding:0 9px;background:transparent;color:#c6cbd8;font-size:12px;white-space:nowrap;transition:.18s}
.composer-action:hover{background:#242837;color:#fff}
.composer-action.active{background:#25293a;color:#fff}
.composer-action-icon{font-size:15px;line-height:1;color:#eef1fb}
.tool-chevron{font-size:16px;color:#8990a3;transform:rotate(90deg);display:inline-block;margin-left:-2px}
.composer-popover{position:absolute;left:52px;bottom:52px;width:260px;padding:7px;border-radius:14px;background:#181b25;border:1px solid #353b4d;box-shadow:0 18px 55px #000a;z-index:30}
.composer-popover:after{content:"";position:absolute;left:24px;bottom:-6px;width:10px;height:10px;background:#181b25;border-right:1px solid #353b4d;border-bottom:1px solid #353b4d;transform:rotate(45deg)}
.composer-popover button{width:100%;display:flex;align-items:center;gap:10px;border:0;border-radius:10px;padding:10px;background:transparent;color:#e8ebf3;text-align:left}
.composer-popover button:hover,.composer-popover button.selected{background:#262a39}
.composer-popover button>span{width:30px;height:30px;border-radius:9px;display:grid;place-items:center;background:#303548;color:#fff;font-size:16px}
.composer-popover button>div{display:flex;flex-direction:column;min-width:0}
.composer-popover b{font-size:12px}
.composer-popover small{font-size:10px;color:#9299ad;white-space:normal}
.send-btn{flex:0 0 36px;margin-left:0;border-radius:50%;font-size:20px;line-height:1;background:linear-gradient(135deg,#8b5cf6,#6366f1)}
.chat-attachment-preview{display:flex;align-items:center;gap:10px;margin:11px 13px 0;padding:8px 10px;border-radius:12px;background:#222635;border:1px solid #363c4f;color:#eef1f7}
.chat-attachment-preview img{width:46px;height:46px;flex:0 0 46px;border-radius:9px;object-fit:cover;background:#0b0d14}
.chat-attachment-preview .attachment-copy{min-width:0;display:flex;flex:1;flex-direction:column}
.chat-attachment-preview b{font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.chat-attachment-preview small{font-size:10px;color:#9299ad}
.chat-attachment-preview button{width:30px;height:30px;flex:0 0 30px;border:0;border-radius:9px;background:#303548;color:#fff}
.message-attachment{display:block;width:min(280px,100%);max-height:280px;margin:0 0 10px;border-radius:12px;object-fit:cover;background:#0a0d13}
.message-bubble.has-media{padding:8px}
.message-bubble.has-media .message-text{display:block;padding:2px 5px 5px;white-space:pre-wrap}

@media(max-width:760px){
  .composer-wrap{padding-bottom:max(10px,env(safe-area-inset-bottom))}
  .chat-messages{padding-bottom:180px}
  .chat-composer textarea{padding:14px 14px 7px;min-height:50px}
  .composer-commandbar{padding:5px 7px 8px;gap:6px}
  .composer-action{height:32px;padding:0 8px;font-size:11px}
  .composer-action-icon{font-size:14px}
  .composer-plus{width:32px;height:32px;flex-basis:32px;font-size:22px}
  .composer-divider{margin:0 3px}
  .send-btn{width:34px;height:34px;flex-basis:34px}
  .composer-popover{position:fixed;left:12px;right:12px;bottom:116px;width:auto}
  .composer-popover:after{display:none}
}