:root{
  --bg:#06101f;--bg2:#09172b;--panel:#0d1c32;--panel2:#102440;--line:rgba(130,190,255,.19);
  --text:#f5f8ff;--muted:#a9bad3;--cyan:#32d8ff;--blue:#3888ff;--violet:#9b5cff;--good:#46e3a2;--warn:#ffc45e;--danger:#ff6f7d;
  --shadow:0 18px 55px rgba(0,0,0,.32);--radius:22px;--safe-bottom:max(16px,env(safe-area-inset-bottom));
  font-family:Inter,"Hiragino Sans","Yu Gothic UI",Meiryo,system-ui,-apple-system,sans-serif;color-scheme:dark;
}
*{box-sizing:border-box}html{min-width:320px;background:var(--bg);scroll-behavior:smooth}body{margin:0;min-height:100vh;min-height:100dvh;background:radial-gradient(circle at 85% -10%,rgba(80,69,190,.25),transparent 31%),radial-gradient(circle at -5% 15%,rgba(0,191,255,.13),transparent 28%),var(--bg);color:var(--text);overflow-x:hidden;-webkit-tap-highlight-color:transparent}body.light{--bg:#eef4fb;--bg2:#f7faff;--panel:#fff;--panel2:#f3f7fd;--line:rgba(13,51,91,.16);--text:#102038;--muted:#52657d;--cyan:#067895;--blue:#286bd3;--violet:#6841bd;--good:#167856;--warn:#946000;--danger:#b22c3e;--shadow:0 18px 55px rgba(29,65,102,.13);color-scheme:light;background:radial-gradient(circle at 90% 0,rgba(132,88,255,.13),transparent 28%),radial-gradient(circle at 0 20%,rgba(44,197,255,.14),transparent 30%),var(--bg)}button,input,textarea,select{font:inherit}button{color:inherit}button,.btn,[role=button]{touch-action:manipulation}button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid rgba(50,216,255,.55);outline-offset:2px}.hidden{display:none!important}.skip-link{position:fixed;left:12px;top:-60px;z-index:9999;background:#fff;color:#000;padding:12px 16px;border-radius:10px}.skip-link:focus{top:12px}.app-shell{min-height:100dvh}.app-header{height:72px;position:fixed;z-index:80;top:0;left:0;right:0;display:flex;align-items:center;justify-content:space-between;padding:10px max(16px,env(safe-area-inset-left)) 10px max(16px,env(safe-area-inset-right));background:rgba(6,16,31,.82);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}body.light .app-header{background:rgba(246,250,255,.86)}.brand{display:flex;align-items:center;gap:11px;border:0;background:none;padding:0;text-align:left;cursor:pointer}.brand img{border-radius:13px;box-shadow:0 7px 22px rgba(27,150,255,.25)}.brand span{display:flex;flex-direction:column;line-height:1.08}.brand b{font-size:13px;letter-spacing:.08em}.brand small{font-size:10px;color:var(--muted);margin-top:5px}.header-actions{display:flex;align-items:center;gap:8px}.icon-btn{min-width:44px;height:44px;border:1px solid var(--line);background:rgba(255,255,255,.045);border-radius:14px;cursor:pointer}.status-chip{padding:7px 10px;border-radius:999px;font-size:12px;background:rgba(255,196,94,.13);color:var(--warn);border:1px solid rgba(255,196,94,.25)}.desktop-sidebar{display:none}.main-content{padding:88px 16px calc(95px + env(safe-area-inset-bottom));max-width:1600px;margin:0 auto}.screen{display:none;animation:screenIn .28s ease}.screen.active{display:block}@keyframes screenIn{from{opacity:0;transform:translateY(7px)}to{opacity:1;transform:none}}h1,h2,p{margin-top:0}h1{font-size:clamp(30px,7.2vw,64px);line-height:1.08;letter-spacing:-.045em}.screen-heading h1{font-size:clamp(28px,5vw,48px);margin-bottom:8px}.screen-heading p{color:var(--muted);margin:0}.screen-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin:10px 0 26px}.screen-heading.compact h1{font-size:clamp(27px,4.4vw,40px)}.heading-actions{display:flex;gap:10px;flex-wrap:wrap}.eyebrow,.step-pill,.live-label{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;border:1px solid rgba(50,216,255,.23);background:rgba(50,216,255,.07);color:var(--cyan);font-weight:700;font-size:12px;letter-spacing:.06em}body.light .eyebrow,body.light .step-pill,body.light .live-label{color:#075f79;border-color:rgba(6,120,149,.3);background:rgba(20,159,194,.12);box-shadow:0 6px 20px rgba(14,126,157,.08)}body.light .pulse-dot{background:#0787a8;box-shadow:0 0 0 5px rgba(7,135,168,.14)}body.light .text-btn{color:#066f8d;font-weight:750}.step-pill.done{color:var(--good);border-color:rgba(70,227,162,.25);background:rgba(70,227,162,.08)}.pulse-dot{width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 5px rgba(50,216,255,.12)}.btn{min-height:44px;border:1px solid var(--line);border-radius:14px;padding:10px 17px;background:rgba(255,255,255,.05);font-weight:750;cursor:pointer;transition:transform .16s ease,border-color .16s ease,filter .16s ease}.btn:hover{transform:translateY(-1px);border-color:rgba(102,204,255,.45)}.btn:active{transform:translateY(0) scale(.985)}.btn.primary{border-color:transparent;background:linear-gradient(115deg,#10c9ed,#4775ff 52%,#9c51e8);color:#fff;box-shadow:0 10px 28px rgba(56,136,255,.22)}.btn.secondary{background:rgba(255,255,255,.055)}body.light .btn.secondary{background:#fff}.btn.danger{color:#ffdce1;border-color:rgba(255,111,125,.33);background:rgba(255,76,92,.12)}body.light .btn.danger{color:#a11629}.btn.xl{min-height:58px;padding:15px 22px;font-size:16px}.btn.tiny{min-height:36px;padding:7px 11px;font-size:12px;border-radius:10px}.btn.full{width:100%;margin-top:9px}.button-row{display:flex;gap:8px;flex-wrap:wrap}.text-btn{background:none;border:0;color:var(--cyan);padding:8px 2px;text-decoration:underline;text-underline-offset:5px;cursor:pointer}.card{background:linear-gradient(145deg,rgba(255,255,255,.062),rgba(255,255,255,.025));border:1px solid var(--line);box-shadow:var(--shadow);border-radius:var(--radius)}body.light .card{background:rgba(255,255,255,.86)}
.hero-grid{display:grid;gap:34px;align-items:center;min-height:min(650px,calc(100dvh - 130px))}.hero-copy h1{margin:18px 0 18px}.hero-copy h1 span{background:linear-gradient(90deg,#fff,#82e7ff 44%,#c9a7ff);-webkit-background-clip:text;color:transparent}body.light .hero-copy h1 span{background:linear-gradient(90deg,#152847,#1685ad 50%,#7042c5);-webkit-background-clip:text;color:transparent}.hero-copy>p{font-size:clamp(15px,2.3vw,19px);line-height:1.8;color:var(--muted)}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}.hero-links{display:flex;gap:22px;flex-wrap:wrap;margin-top:15px}.hero-visual{position:relative;min-height:360px;display:grid;place-items:center}.orb{position:absolute;border-radius:50%;filter:blur(20px)}.orb-a{width:180px;height:180px;background:rgba(31,201,255,.14);left:7%;top:8%}.orb-b{width:220px;height:220px;background:rgba(155,92,255,.13);right:1%;bottom:2%}.visual-window{width:min(100%,570px);position:relative;border:1px solid rgba(116,199,255,.28);border-radius:24px;background:linear-gradient(145deg,rgba(12,29,54,.94),rgba(4,12,26,.95));box-shadow:0 30px 90px rgba(0,0,0,.5),inset 0 1px rgba(255,255,255,.07);overflow:hidden;transform:perspective(1100px) rotateY(-3deg) rotateX(1deg)}.visual-top{height:44px;display:flex;align-items:center;gap:7px;padding:0 14px;border-bottom:1px solid var(--line)}.visual-top i{width:9px;height:9px;border-radius:50%;background:#ff7a7a}.visual-top i:nth-child(2){background:#ffcc68}.visual-top i:nth-child(3){background:#63d68b}.visual-top span{margin-left:12px;color:var(--muted);font-size:12px}.visual-body{display:grid;grid-template-columns:1.15fr .85fr;gap:16px;padding:22px}.visual-code{min-height:260px;border-radius:16px;padding:22px;font:14px/1.8 ui-monospace,SFMono-Regular,Menlo,monospace;color:#8bbcff;background:#050b17;border:1px solid rgba(83,139,203,.18)}.visual-code b{color:#62e0ff}.visual-code em{color:#db8cff;font-style:normal}.visual-code span{color:#8090aa}.visual-phone{align-self:center;min-height:245px;border:7px solid #18243b;border-radius:33px;background:linear-gradient(155deg,#1f6fc7,#6337b0);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;box-shadow:0 15px 40px rgba(0,0,0,.45)}.visual-phone .spark{font-size:44px;color:#fff;filter:drop-shadow(0 0 12px #63e7ff)}.visual-phone strong{font-size:22px}.visual-phone small{color:#d8e8ff}.visual-phone .fake-button{border:0;border-radius:999px;padding:10px 22px;background:#fff;color:#253f75;font-weight:900}.steps-row{display:grid;grid-template-columns:1fr;gap:12px;margin:30px 0}.step-card{min-height:175px;padding:21px;text-align:center;border:1px solid var(--line);border-radius:22px;background:linear-gradient(145deg,rgba(18,43,78,.7),rgba(7,18,37,.7));box-shadow:inset 0 1px rgba(255,255,255,.06)}body.light .step-card{background:#fff}.step-card b{font-size:12px;color:var(--cyan);letter-spacing:.1em}.step-icon{width:60px;height:60px;margin:13px auto;display:grid;place-items:center;border-radius:18px;font-size:24px;color:#fff;background:linear-gradient(135deg,rgba(29,210,255,.22),rgba(149,83,255,.25));border:1px solid rgba(83,204,255,.25)}.step-card h2{font-size:18px;line-height:1.55;margin:0}.step-arrow{display:none;color:var(--cyan);font-size:42px;align-self:center}.home-feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.feature-card{min-height:135px;text-align:left;padding:18px;border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.035);cursor:pointer}.feature-card span{display:block;color:var(--cyan);font-size:25px;margin-bottom:11px}.feature-card b,.feature-card small{display:block}.feature-card small{color:var(--muted);margin-top:6px}.privacy-banner{margin-top:20px;display:flex;gap:14px;padding:19px;border:1px solid rgba(70,227,162,.25);background:rgba(70,227,162,.065);border-radius:18px}.privacy-banner p{color:var(--muted);margin:5px 0 0;line-height:1.6}.shield-icon{flex:0 0 38px;width:38px;height:38px;border:1px solid rgba(70,227,162,.35);border-radius:12px;display:grid;place-items:center;color:var(--good)}
.project-bar{display:flex;align-items:center;gap:15px;padding:12px 14px;margin-bottom:12px;border:1px solid var(--line);border-radius:17px;background:rgba(255,255,255,.035)}.app-name-field{display:flex;align-items:center;gap:10px;flex:1;color:var(--muted);font-size:12px;font-weight:700}.app-name-field input{flex:1;min-width:0;border:0;background:transparent;color:var(--text);font-size:16px;font-weight:700;padding:9px;border-radius:9px}.mode-toggle{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--cyan);white-space:nowrap}.switch{position:relative;width:46px;height:26px}.switch input{opacity:0;width:0;height:0}.switch span{position:absolute;inset:0;border-radius:999px;background:#334258;transition:.2s}.switch span:after{content:"";position:absolute;width:20px;height:20px;left:3px;top:3px;border-radius:50%;background:#fff;transition:.2s}.switch input:checked+span{background:linear-gradient(90deg,#1ac7ec,#745af3)}.switch input:checked+span:after{transform:translateX(20px)}.notice{display:flex;align-items:center;gap:12px;padding:13px 15px;margin:10px 0;border-radius:15px;border:1px solid var(--line)}.notice>span{width:32px;height:32px;border-radius:10px;display:grid;place-items:center;font-weight:900}.notice>div{flex:1}.notice b,.notice small{display:block}.notice small{color:var(--muted);margin-top:3px}.notice.success{background:rgba(70,227,162,.07);border-color:rgba(70,227,162,.25)}.notice.success>span{color:var(--good);background:rgba(70,227,162,.12)}.notice.warning{background:rgba(255,196,94,.07);border-color:rgba(255,196,94,.25)}.notice.warning>span{color:var(--warn);background:rgba(255,196,94,.12)}.editor-toolbar,.preview-controls{display:flex;align-items:center;gap:6px;overflow-x:auto;padding:8px;border:1px solid var(--line);border-radius:15px 15px 0 0;background:rgba(4,13,28,.9);scrollbar-width:thin}.editor-toolbar button,.preview-controls button,.segmented button{min-height:39px;white-space:nowrap;border:0;border-radius:10px;background:rgba(255,255,255,.055);padding:8px 12px;cursor:pointer}.editor-toolbar button:hover,.preview-controls button:hover{background:rgba(50,216,255,.1)}.divider{height:24px;width:1px;background:var(--line);margin:0 3px}.toolbar-spacer{flex:1}.font-size-control{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--muted)}select{min-height:40px;border:1px solid var(--line);background:var(--panel);color:var(--text);border-radius:10px;padding:7px 10px}.code-editor-wrap{height:clamp(430px,62dvh,820px);display:grid;grid-template-columns:54px minmax(0,1fr);border:1px solid var(--line);border-top:0;background:#050b16;overflow:hidden}.line-numbers{margin:0;padding:16px 10px;text-align:right;overflow:hidden;user-select:none;color:#50617b;background:#07101f;border-right:1px solid rgba(255,255,255,.06);font:14px/1.65 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.code-editor-wrap textarea{width:100%;height:100%;resize:none;border:0;outline:0;padding:16px 18px;background:#050b16;color:#d8e7ff;caret-color:var(--cyan);white-space:pre;overflow:auto;font:14px/1.65 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;tab-size:2}.editor-statusbar{display:flex;gap:16px;align-items:center;flex-wrap:wrap;padding:9px 13px;border:1px solid var(--line);border-top:0;border-radius:0 0 15px 15px;background:rgba(7,17,34,.95);color:var(--muted);font-size:12px}.editor-statusbar .saved{color:var(--good)}.privacy-inline{margin-left:auto}.mobile-editor-actions{position:sticky;bottom:calc(73px + var(--safe-bottom));display:flex;gap:8px;padding:10px 0 3px;z-index:10}.mobile-editor-actions .btn{flex:1}
.preview-controls{border-radius:15px;margin-bottom:13px}.segmented{display:flex;border:1px solid var(--line);border-radius:11px;padding:2px}.segmented button{background:transparent}.segmented button.active{background:linear-gradient(120deg,rgba(36,202,240,.26),rgba(127,83,235,.27));color:#fff}.preview-workspace{display:grid;gap:14px;align-items:start}.preview-stage{position:relative;margin:0 auto;display:grid;place-items:center;background:#050a13;overflow:hidden;transition:width .25s ease,height .25s ease,border-radius .25s ease;width:min(100%,390px);height:min(70dvh,780px);min-height:460px}.preview-stage.framed{border:9px solid #18243b;border-radius:38px;box-shadow:0 25px 70px rgba(0,0,0,.48),0 0 0 1px rgba(110,177,255,.18)}.preview-stage.device-phone.landscape{width:min(100%,780px);height:min(55dvh,390px)}.preview-stage.device-tablet{width:min(100%,800px);height:min(72dvh,1024px);border-radius:25px}.preview-stage.device-tablet.landscape{width:min(100%,1024px);height:min(62dvh,700px)}.preview-stage.device-desktop{width:100%;height:min(68dvh,850px);border-radius:18px}.device-speaker{display:none;position:absolute;z-index:4;top:8px;width:84px;height:5px;background:#2d3b51;border-radius:99px}.framed.device-phone .device-speaker{display:block}.iframe-host{position:absolute;inset:0;background:#fff}.iframe-host:empty{display:none}.iframe-host iframe{width:100%;height:100%;border:0;background:#fff}.preview-empty{padding:26px;text-align:center;color:var(--muted)}.preview-empty>span{font-size:40px;color:var(--cyan)}.preview-empty h2{color:var(--text);margin:15px 0 8px}.console-panel{border:1px solid var(--line);border-radius:18px;overflow:hidden;background:rgba(5,13,26,.88);min-width:0}.console-tabs{display:flex;border-bottom:1px solid var(--line)}.console-tabs button{flex:1;min-height:44px;border:0;background:transparent;cursor:pointer}.console-tabs button.active{background:rgba(50,216,255,.08);color:var(--cyan)}.console-tabs span{display:inline-grid;place-items:center;min-width:20px;height:20px;padding:0 5px;border-radius:999px;background:rgba(255,255,255,.08);font-size:11px}.console-content{display:none;min-height:180px;max-height:360px;overflow:auto;padding:12px}.console-content.active{display:block}.console-empty{padding:20px;text-align:center;color:var(--muted)}.console-entry{padding:10px 11px;margin-bottom:8px;border-radius:11px;background:rgba(255,255,255,.035);font:12px/1.55 ui-monospace,monospace;word-break:break-word}.console-entry.error{border-left:3px solid var(--danger)}.console-entry.warn{border-left:3px solid var(--warn)}.error-card{padding:13px;border:1px solid rgba(255,111,125,.25);border-radius:13px;background:rgba(255,111,125,.065);margin-bottom:9px}.error-code{display:inline-block;padding:4px 7px;border-radius:7px;background:rgba(255,111,125,.12);color:#ff9ca6;font-weight:900;font-size:11px}.error-card h3{font-size:14px;margin:8px 0 5px}.error-card p{font-size:12px;color:var(--muted);line-height:1.55;margin:0 0 7px}.console-footer{display:flex;gap:8px;padding:9px;border-top:1px solid var(--line)}.preview-stage.full-preview{position:fixed;inset:0;z-index:500;width:100vw!important;height:100dvh!important;max-width:none!important;border:0!important;border-radius:0!important}.preview-stage.full-preview .device-speaker{display:none}
.save-summary{display:flex;align-items:center;gap:15px;padding:18px;margin-bottom:16px}.save-summary img{border-radius:20px}.save-summary div{flex:1}.save-summary h2{margin:3px 0 5px;font-size:20px}.save-summary p{margin:0;color:var(--muted);font-family:ui-monospace,monospace}.export-grid{display:grid;gap:12px}.export-card{padding:21px;border:1px solid var(--line);border-radius:20px;background:rgba(255,255,255,.035)}.export-card.primary-card{background:linear-gradient(145deg,rgba(24,189,232,.12),rgba(116,75,232,.12));border-color:rgba(62,197,255,.28)}.export-icon{display:inline-grid;place-items:center;min-width:56px;height:42px;padding:0 10px;border-radius:12px;background:rgba(50,216,255,.1);color:var(--cyan);font-weight:900;font-size:12px}.export-card h2{font-size:20px;margin:14px 0 8px}.export-card p{color:var(--muted);line-height:1.6;min-height:52px}.device-help,.projects-section{padding:20px;margin-top:16px}.device-help h2,.projects-section h2{font-size:20px}.device-help details{border-top:1px solid var(--line);padding:12px 0}.device-help summary{cursor:pointer;font-weight:750}.device-help p{color:var(--muted);line-height:1.6;margin:9px 0}.section-title-row{display:flex;align-items:center;justify-content:space-between;gap:12px}.project-list{display:grid;gap:8px;margin-top:12px}.project-item{display:flex;align-items:center;gap:12px;padding:12px;border:1px solid var(--line);border-radius:13px}.project-item>div{flex:1;min-width:0}.project-item b,.project-item small{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.project-item small{color:var(--muted);margin-top:4px}.project-item button{min-height:38px;border:1px solid var(--line);border-radius:10px;background:transparent;cursor:pointer}
.sample-grid{display:grid;gap:13px}.sample-card{overflow:hidden;border:1px solid var(--line);border-radius:21px;background:rgba(255,255,255,.035)}.sample-preview{height:150px;padding:18px;display:flex;align-items:flex-end;position:relative;overflow:hidden;background:linear-gradient(135deg,var(--sample-a),var(--sample-b))}.sample-preview:before{content:"";position:absolute;width:150px;height:150px;border-radius:50%;right:-30px;top:-50px;background:rgba(255,255,255,.13)}.sample-glyph{font-size:54px;position:relative;filter:drop-shadow(0 7px 15px rgba(0,0,0,.25))}.sample-body{padding:17px}.sample-body h2{font-size:19px;margin:0 0 7px}.sample-body p{color:var(--muted);font-size:14px;line-height:1.55}.sample-meta{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:14px}.sample-meta span{padding:5px 8px;border:1px solid var(--line);border-radius:999px;color:var(--muted);font-size:11px}.sample-actions{display:flex;gap:8px}.sample-actions .btn{flex:1}.chip-row{display:flex;gap:7px;overflow-x:auto;padding-bottom:10px}.chip-row button{white-space:nowrap;min-height:40px;border:1px solid var(--line);border-radius:999px;padding:8px 13px;background:rgba(255,255,255,.035);cursor:pointer}.chip-row button.active{background:rgba(50,216,255,.13);color:var(--cyan);border-color:rgba(50,216,255,.3)}.prompt-list{display:grid;gap:12px;margin-top:9px}.prompt-card{padding:18px;border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.035)}.prompt-card h2{font-size:18px;margin-bottom:7px}.prompt-card p{color:var(--muted);font-size:13px}.prompt-code{max-height:220px;overflow:auto;padding:13px;border-radius:13px;background:#050b16;color:#cfe0fa;white-space:pre-wrap;font:12px/1.65 ui-monospace,monospace}.prompt-card .btn{margin-top:11px}.repair-prompts{padding:20px;margin-top:20px}.repair-grid{display:grid;gap:8px}.repair-item{display:flex;align-items:center;gap:8px;padding:11px;border:1px solid var(--line);border-radius:12px}.repair-item span{flex:1;font-size:13px}.repair-item button{min-height:36px;border:1px solid var(--line);background:transparent;border-radius:10px;cursor:pointer}.guide-timeline{display:grid;gap:10px}.guide-step{display:grid;grid-template-columns:48px 1fr;gap:13px;padding:17px;border:1px solid var(--line);border-radius:17px;background:rgba(255,255,255,.03)}.guide-number{width:48px;height:48px;display:grid;place-items:center;border-radius:15px;background:linear-gradient(135deg,rgba(46,208,241,.18),rgba(143,79,239,.2));color:var(--cyan);font-weight:900}.guide-step h2{font-size:17px;margin:2px 0 6px}.guide-step p{color:var(--muted);font-size:14px;line-height:1.55;margin:0}.cloudflare-guide{padding:21px;margin-top:20px}.cloudflare-guide ol{line-height:1.9;padding-left:24px}.muted{color:var(--muted)}
.instructor-screen{position:relative;min-height:calc(100dvh - 130px);overflow:hidden;border-radius:26px;padding:20px}.instructor-bg{position:absolute;inset:0;background:radial-gradient(circle at 15% 10%,rgba(36,207,255,.17),transparent 30%),radial-gradient(circle at 90% 80%,rgba(145,75,240,.2),transparent 33%),linear-gradient(145deg,#071225,#0c1c35);border:1px solid var(--line);border-radius:26px}.instructor-top,.instructor-content{position:relative}.instructor-top{display:flex;justify-content:space-between;align-items:center}.brand.static{cursor:default}.instructor-content{display:grid;gap:30px;align-items:center;min-height:calc(100dvh - 240px);padding:30px 5px}.instructor-content h1{font-size:clamp(39px,7vw,86px);margin:17px 0}.instructor-content>div>p{font-size:clamp(15px,2vw,21px);color:var(--muted)}.instructor-steps{display:flex;gap:8px;flex-wrap:wrap;margin-top:25px}.instructor-steps span{display:flex;align-items:center;gap:8px;padding:10px 13px;border:1px solid var(--line);border-radius:13px}.instructor-steps b{width:27px;height:27px;display:grid;place-items:center;border-radius:9px;background:rgba(50,216,255,.12);color:var(--cyan)}.qr-card{justify-self:center;width:min(100%,460px);padding:20px;text-align:center;border-radius:28px;background:#fff;color:#0b1b31;box-shadow:0 25px 80px rgba(0,0,0,.5)}.qr-wrap{width:min(78vw,380px);aspect-ratio:1;margin:0 auto 12px;padding:14px;background:#fff}.qr-wrap canvas,.qr-wrap svg{display:block;width:100%;height:100%}.qr-card strong{display:block;overflow-wrap:anywhere;margin:12px}.qr-card .btn.secondary{background:#eef4fb;color:#17304f;border-color:#d1deed}.instructor-screen:fullscreen{padding:4vh 5vw;background:#071225}.instructor-screen:fullscreen .instructor-content{min-height:82vh}
.settings-grid{display:grid;gap:12px}.settings-card{padding:19px}.settings-card h2{font-size:19px}.settings-card>label{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 0;border-top:1px solid var(--line)}.settings-card>label:first-of-type{border-top:0}.toggle-row span{display:flex;flex-direction:column}.toggle-row small{color:var(--muted);margin-top:4px}.toggle-row input{width:22px;height:22px;accent-color:var(--cyan)}.version{color:var(--muted);font-size:12px;margin:15px 0 0}.cautions{padding:21px;margin-top:16px}.caution-grid{display:grid;gap:8px}.caution-grid p{padding:13px;margin:0;border:1px solid var(--line);border-radius:12px;color:var(--muted);line-height:1.55}.bottom-nav{position:fixed;z-index:70;left:0;right:0;bottom:0;display:grid;grid-template-columns:repeat(5,1fr);padding:7px max(5px,env(safe-area-inset-right)) var(--safe-bottom) max(5px,env(safe-area-inset-left));background:rgba(7,16,31,.92);backdrop-filter:blur(18px);border-top:1px solid var(--line)}body.light .bottom-nav{background:rgba(249,252,255,.94)}.bottom-nav button{min-width:0;border:0;background:transparent;color:var(--muted);padding:5px 2px;display:flex;flex-direction:column;align-items:center;gap:4px;font-size:10px;cursor:pointer}.bottom-nav button span{font-size:18px}.bottom-nav button.active{color:var(--cyan)}
.sheet-backdrop,.modal-backdrop{position:fixed;inset:0;z-index:800;background:rgba(0,0,0,.58);backdrop-filter:blur(7px);display:flex;align-items:flex-end;justify-content:center;padding:12px}.bottom-sheet{width:min(100%,600px);padding:10px 18px calc(20px + env(safe-area-inset-bottom));border:1px solid var(--line);border-radius:25px 25px 18px 18px;background:var(--panel);box-shadow:var(--shadow)}.sheet-handle{width:48px;height:5px;border-radius:99px;background:#54647b;margin:2px auto 14px}.more-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:12px}.more-grid button{min-height:92px;border:1px solid var(--line);border-radius:16px;background:rgba(255,255,255,.035);font-size:22px;cursor:pointer}.more-grid button span{display:block;font-size:12px;margin-top:7px}.modal-backdrop{align-items:center}.modal-card{width:min(100%,650px);max-height:90dvh;overflow:auto;padding:21px;border:1px solid var(--line);border-radius:22px;background:var(--panel);box-shadow:var(--shadow)}.modal-card h2{font-size:23px}.modal-card p{color:var(--muted);line-height:1.6}.modal-actions{display:flex;justify-content:flex-end;gap:8px;flex-wrap:wrap;margin-top:18px}.candidate-list{display:grid;gap:8px}.candidate-item{display:block;width:100%;text-align:left;padding:12px;border:1px solid var(--line);border-radius:12px;background:rgba(255,255,255,.035);cursor:pointer}.candidate-item b,.candidate-item small{display:block}.candidate-item small{color:var(--muted);margin-top:4px}.toast-region{position:fixed;z-index:1200;left:50%;bottom:calc(88px + env(safe-area-inset-bottom));transform:translateX(-50%);width:min(calc(100% - 24px),480px);pointer-events:none}.toast{padding:13px 15px;margin-top:8px;border:1px solid rgba(83,204,255,.28);border-radius:14px;background:rgba(10,26,48,.96);box-shadow:var(--shadow);animation:toastIn .25s ease}.toast.error{border-color:rgba(255,111,125,.32)}@keyframes toastIn{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}.update-banner{position:fixed;z-index:1000;left:12px;right:12px;bottom:calc(92px + env(safe-area-inset-bottom));display:flex;align-items:center;gap:8px;padding:12px;border:1px solid var(--line);border-radius:16px;background:var(--panel);box-shadow:var(--shadow)}.update-banner span{flex:1}.onboarding-modal{z-index:1100}.onboarding-card{position:relative;width:min(100%,520px);padding:26px 23px;text-align:center;border:1px solid var(--line);border-radius:27px;background:linear-gradient(160deg,#102440,#071225);box-shadow:0 35px 100px rgba(0,0,0,.58)}.onboarding-skip{position:absolute;right:16px;top:14px;border:0;background:transparent;color:var(--muted);cursor:pointer}.onboarding-progress{display:flex;justify-content:center;gap:7px;margin-bottom:18px}.onboarding-progress i{width:23px;height:4px;border-radius:99px;background:#34435c}.onboarding-progress i.active{background:var(--cyan)}.onboarding-card img{border-radius:23px}.onboarding-visual{height:120px;margin:18px 0;border:1px solid var(--line);border-radius:18px;background:radial-gradient(circle at center,rgba(41,207,255,.19),transparent 45%),linear-gradient(135deg,rgba(50,216,255,.07),rgba(155,92,255,.1));display:grid;place-items:center;font-size:56px}.onboarding-card h2{font-size:25px;margin-bottom:9px}.onboarding-card p{color:var(--muted);line-height:1.7;min-height:54px}.onboarding-actions{display:flex;gap:9px}.onboarding-actions .btn{flex:1}
@media(min-width:640px){.main-content{padding-left:24px;padding-right:24px}.steps-row{grid-template-columns:1fr auto 1fr auto 1fr}.step-arrow{display:block}.home-feature-grid{grid-template-columns:repeat(4,1fr)}.export-grid,.sample-grid,.settings-grid{grid-template-columns:repeat(2,1fr)}.repair-grid,.caution-grid{grid-template-columns:repeat(2,1fr)}.guide-step{grid-template-columns:60px 1fr}.guide-number{width:54px;height:54px}.instructor-content{grid-template-columns:1.05fr .95fr}.hero-grid{grid-template-columns:1.03fr .97fr}.mobile-editor-actions{display:none}}
@media(min-width:1040px){.app-header{left:224px;padding-left:24px}.desktop-sidebar{position:fixed;z-index:90;display:flex;flex-direction:column;justify-content:space-between;left:0;top:0;bottom:0;width:224px;padding:92px 12px 18px;background:rgba(5,14,28,.94);border-right:1px solid var(--line)}body.light .desktop-sidebar{background:rgba(247,250,254,.94)}.desktop-sidebar nav{display:grid;gap:5px}.desktop-sidebar button{min-height:47px;display:flex;align-items:center;gap:12px;border:0;border-radius:13px;background:transparent;color:var(--muted);padding:9px 13px;text-align:left;cursor:pointer}.desktop-sidebar button span{width:25px;font-size:19px;text-align:center}.desktop-sidebar button.active{background:linear-gradient(90deg,rgba(50,216,255,.12),rgba(155,92,255,.09));color:var(--text)}.privacy-mini{font-size:11px;color:var(--muted);padding:12px}.privacy-mini span{color:var(--good)}.main-content{margin-left:224px;padding:96px 32px 38px}.bottom-nav{display:none}.toast-region{bottom:25px}.update-banner{left:auto;width:520px;bottom:20px}.preview-workspace{grid-template-columns:minmax(0,1fr) 340px}.sample-grid{grid-template-columns:repeat(3,1fr)}.export-grid{grid-template-columns:repeat(4,1fr)}.settings-grid{grid-template-columns:repeat(2,1fr)}.prompt-list{grid-template-columns:repeat(2,1fr)}.screen-heading{margin-top:0}.code-editor-wrap{height:calc(100dvh - 310px);min-height:480px}}
@media(min-width:1400px){.sample-grid{grid-template-columns:repeat(4,1fr)}.main-content{padding-left:46px;padding-right:46px}.hero-grid{gap:70px}}
@media(max-width:639px){.screen-heading{align-items:flex-start;flex-direction:column}.screen-heading.compact .btn.primary{display:none}.project-bar{align-items:stretch;flex-direction:column}.app-name-field{align-items:flex-start;flex-direction:column}.app-name-field input{width:100%;background:rgba(255,255,255,.035)}.mode-toggle{justify-content:space-between}.hero-actions .btn{width:100%}.visual-body{grid-template-columns:1fr}.visual-code{min-height:145px}.visual-phone{min-height:205px}.hero-visual{min-height:470px}.save-summary{align-items:flex-start;flex-wrap:wrap}.save-summary .btn{width:100%}.preview-controls{margin-left:-16px;margin-right:-16px;border-left:0;border-right:0;border-radius:0}.preview-stage{max-width:calc(100vw - 32px)}.editor-toolbar{margin-left:-16px;margin-right:-16px;border-left:0;border-right:0;border-radius:0}.code-editor-wrap{margin-left:-16px;margin-right:-16px;border-left:0;border-right:0}.editor-statusbar{margin-left:-16px;margin-right:-16px;border-left:0;border-right:0;border-radius:0}.privacy-inline{margin-left:0}.instructor-screen{padding:14px}.instructor-top .brand span{display:none}.qr-card{padding:13px}.qr-wrap{width:min(80vw,330px)}.instructor-content{padding-top:28px}.instructor-content h1{font-size:39px}.brand b{font-size:11px}.app-header .brand small{display:none}.more-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:360px){.main-content{padding-left:12px;padding-right:12px}.home-feature-grid{grid-template-columns:1fr}.editor-toolbar{margin-left:-12px;margin-right:-12px}.code-editor-wrap{margin-left:-12px;margin-right:-12px}.editor-statusbar{margin-left:-12px;margin-right:-12px}.preview-controls{margin-left:-12px;margin-right:-12px}.line-numbers{font-size:12px}.code-editor-wrap textarea{font-size:13px;padding-left:12px}.brand b{font-size:10px}.brand img{width:38px;height:38px}.app-header{padding-left:10px;padding-right:10px}}
@media(orientation:landscape) and (max-height:520px){.app-header{height:58px}.main-content{padding-top:70px}.bottom-nav{padding-top:3px}.bottom-nav button{flex-direction:row;justify-content:center}.bottom-nav button span{font-size:15px}.hero-grid{min-height:auto}.hero-visual{display:none}.code-editor-wrap{height:calc(100dvh - 210px);min-height:250px}.screen-heading.compact{display:none}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}
body.keyboard-open .bottom-nav{display:none}.keyboard-open .mobile-editor-actions{bottom:6px}.error-card pre{white-space:pre-wrap;word-break:break-word;color:#f4c4ca;font-size:11px}.sample-preview-modal{width:min(100%,900px)}

.boot-splash{position:fixed;inset:0;z-index:2000;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:13px;background:radial-gradient(circle at 50% 35%,#172f58,#071225 52%,#040a14);transition:opacity .32s ease,visibility .32s ease}.boot-splash img{border-radius:24px;box-shadow:0 18px 55px rgba(30,157,255,.3)}.boot-splash strong{font-size:15px;letter-spacing:.13em}.boot-splash span{color:#a9bad3;font-size:12px}.boot-splash i{width:150px;height:4px;overflow:hidden;border-radius:99px;background:rgba(255,255,255,.1);position:relative}.boot-splash i:after{content:"";position:absolute;inset:0;width:45%;border-radius:99px;background:linear-gradient(90deg,#23d4f4,#8a5af1);animation:bootLoad 1s ease-in-out infinite}.boot-splash.done{opacity:0;visibility:hidden;pointer-events:none}@keyframes bootLoad{0%{transform:translateX(-120%)}100%{transform:translateX(340%)}}

body.light .onboarding-card{background:linear-gradient(160deg,#fff,#edf5ff);box-shadow:0 30px 85px rgba(29,65,102,.24)}body.light .onboarding-progress i{background:#c7d4e4}body.light .toast{background:rgba(255,255,255,.97);color:#102038}