:root{color-scheme:dark;--bg:#070914;--panel:rgba(17,22,45,.78);--panel-solid:#10152c;--line:rgba(130,145,255,.17);--text:#f4f6ff;--muted:#929bbc;--cyan:#65f4ff;--violet:#8c73ff;--pink:#ff6fd8;--green:#53ffa4;--amber:#ffc66d;--red:#ff718d;--mx:50%;--my:18%}
html[data-theme="light"]{color-scheme:light;--bg:#f5f7ff;--panel:rgba(255,255,255,.82);--panel-solid:#fff;--line:rgba(47,61,130,.16);--text:#12172e;--muted:#626b89;--cyan:#087f94;--violet:#705be8;--pink:#d93fae;--green:#078554;--amber:#a95e00;--red:#d93459}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;min-height:100vh;color:var(--text);font-family:Inter,"SF Pro Display",system-ui,-apple-system,sans-serif;background:radial-gradient(circle at var(--mx) var(--my),rgba(101,244,255,.09),transparent 24rem),radial-gradient(circle at 88% 8%,rgba(140,115,255,.14),transparent 30rem),var(--bg);overflow-x:hidden}
body:before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.24;background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);background-size:42px 42px;mask-image:linear-gradient(to bottom,#000,transparent 82%)}
button,textarea{font:inherit}
button,a{-webkit-tap-highlight-color:transparent}
.shell{width:min(1160px,calc(100% - 32px));margin:auto;padding:22px 0 calc(76px + env(safe-area-inset-bottom))}
.nav{position:sticky;top:14px;z-index:10;display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:72px;padding:11px 14px;border:1px solid var(--line);border-radius:16px;background:rgba(10,13,29,.82);backdrop-filter:blur(18px);box-shadow:0 12px 40px rgba(0,0,0,.2)}
.brand{display:flex;align-items:center;gap:11px;color:var(--text);font-weight:850;letter-spacing:.13em;text-decoration:none;white-space:nowrap}
.brand-mark{position:relative;display:inline-block;width:34px;height:34px;flex:0 0 34px;filter:drop-shadow(0 0 12px rgba(101,244,255,.34))}
.brand-mark:before{content:"";position:absolute;width:18px;height:18px;left:6px;top:3px;border-radius:3px;background:linear-gradient(135deg,var(--cyan),var(--violet));transform:rotate(45deg)}
.brand-mark:after{content:"";position:absolute;width:14px;height:14px;left:12px;top:9px;border-radius:2px;background:var(--bg);transform:rotate(45deg);box-shadow:10px 10px 0 -5px var(--pink),15px 15px 0 -6px var(--cyan)}
.nav-links{display:flex;align-items:center;gap:5px}.nav-links a{padding:8px 10px;border-radius:9px;color:var(--muted);font-size:12px;text-decoration:none;transition:.18s}.nav-links a:hover,.nav-links a[aria-current="page"]{color:var(--text);background:rgba(101,244,255,.08)}
.theme-toggle{flex:0 0 auto;cursor:pointer;padding:7px 10px;border:1px solid var(--line);border-radius:10px;color:var(--text);background:rgba(130,145,255,.08);font-size:10px;letter-spacing:.1em;transition:.18s}.theme-toggle:hover{border-color:var(--cyan);color:var(--cyan)}
.privacy{color:var(--muted);font-size:10px;letter-spacing:.08em;white-space:nowrap}.privacy:before{content:"";display:inline-block;width:7px;height:7px;margin-right:7px;border-radius:50%;background:var(--green);box-shadow:0 0 12px var(--green)}
.hero{display:grid;grid-template-columns:1.35fr .65fr;align-items:end;gap:52px;margin:0 20px 54px}.eyebrow{color:var(--cyan);font-size:11px;letter-spacing:.2em;text-transform:uppercase}.hero h1{max-width:780px;margin:19px 0 22px;font-size:clamp(42px,6.8vw,78px);line-height:1.02;letter-spacing:-.055em}.hero h1 span{color:transparent;background:linear-gradient(90deg,var(--cyan),#aaa0ff,var(--pink));background-clip:text}.hero p{max-width:680px;margin:0;color:var(--muted);font-size:15px;line-height:1.85}.hero-note{padding:7px 0 7px 20px;border-left:1px solid var(--cyan);color:var(--muted);font-size:12px;line-height:1.85}
.platform-switch{display:flex;gap:8px;overflow:auto;margin:0 0 18px;padding:0 1px 3px;scrollbar-width:none}.platform-switch::-webkit-scrollbar{display:none}.platform-switch a{min-width:max-content;padding:9px 13px;border:1px solid var(--line);border-radius:20px;color:var(--muted);font-size:12px;text-decoration:none;background:#0b1023}.platform-switch a:hover,.platform-switch a[aria-current="page"]{color:#07111a;border-color:var(--cyan);background:var(--cyan)}
.checker{display:grid;grid-template-columns:minmax(0,1.18fr) minmax(320px,.82fr);gap:18px;align-items:start}.checker>*{min-width:0}.card{border:1px solid var(--line);border-radius:22px;background:var(--panel);backdrop-filter:blur(18px);box-shadow:0 22px 70px rgba(0,0,0,.28)}.editor{padding:20px}.card-head{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:15px}.card-title{font-weight:780}.tag{flex:0 0 auto;padding:5px 8px;border:1px solid rgba(101,244,255,.25);border-radius:20px;color:var(--cyan);font-size:9px;letter-spacing:.12em;white-space:nowrap}
.mode-switch{display:grid;grid-template-columns:1fr 1fr;gap:7px;margin-bottom:12px;padding:5px;border:1px solid rgba(130,145,255,.12);border-radius:13px;background:#080c1d}.mode-btn{cursor:pointer;padding:9px;border:0;border-radius:9px;color:var(--muted);background:transparent;font-size:12px}.mode-btn.active{color:#08101a;background:linear-gradient(135deg,var(--cyan),#98adff);font-weight:750}
textarea{display:block;width:100%;min-height:410px;resize:vertical;padding:18px;border:1px solid var(--line);border-radius:16px;outline:0;color:var(--text);background:rgba(4,7,18,.76);line-height:1.7;transition:.2s}textarea:focus{border-color:rgba(101,244,255,.5);box-shadow:0 0 0 3px rgba(101,244,255,.07)}textarea::placeholder{color:#626b8c}.editor-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:13px}.btn{cursor:pointer;padding:9px 13px;border:1px solid var(--line);border-radius:11px;color:#dfe4ff;background:#171d39;transition:.18s}.btn:hover{color:#07111a;border-color:var(--cyan);background:var(--cyan);transform:translateY(-2px)}.btn.primary{border:0;color:#07111a;background:linear-gradient(135deg,var(--cyan),#8ea8ff);font-weight:760}.btn.danger:hover{color:#18040a;border-color:var(--red);background:var(--red)}
.analysis{display:grid;gap:18px}.metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px;padding:18px}.metric{min-width:0;padding:14px 11px;border:1px solid var(--line);border-radius:14px;background:rgba(4,7,18,.58)}.metric b{display:block;overflow:hidden;font-size:23px;letter-spacing:-.03em;text-overflow:ellipsis}.metric span{color:var(--muted);font-size:10px}.limit-box{grid-column:1/-1;padding:5px 2px 0}.limit-row{display:flex;justify-content:space-between;gap:12px;color:var(--muted);font-size:10px}.progress{height:7px;margin-top:8px;overflow:hidden;border-radius:10px;background:#080c1c}.progress i{display:block;width:0;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--cyan),var(--violet));transition:.2s}.progress i.warn{background:linear-gradient(90deg,var(--amber),var(--red))}.progress-note{margin:9px 0 0;color:#727c9e;font-size:10px;line-height:1.55}
.score-card{padding:18px}.score-top{display:flex;align-items:center;justify-content:space-between;gap:15px}.score-label{color:var(--muted);font-size:11px;letter-spacing:.12em}.score{font-size:36px;font-weight:850;letter-spacing:-.05em}.score.good{color:var(--green)}.score.medium{color:var(--amber)}.score.low{color:var(--red)}.findings{display:grid;gap:9px;margin-top:14px}.finding,.empty{padding:12px;border:1px solid var(--line);border-radius:12px;background:rgba(4,7,18,.56)}.finding strong{display:flex;align-items:center;gap:8px;font-size:12px}.finding strong:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--amber);box-shadow:0 0 9px var(--amber)}.finding.high strong:before{background:var(--red);box-shadow:0 0 9px var(--red)}.finding p,.empty{margin:6px 0 0;color:var(--muted);font-size:11px;line-height:1.55}.empty{margin-top:14px;color:var(--muted)}
.preview-card{padding:18px}.preview-label{margin-bottom:12px;color:var(--cyan);font-size:10px;letter-spacing:.12em}.post-preview{overflow:hidden;border:1px solid var(--line);border-radius:17px;background:#080b18}.post-head{display:flex;align-items:center;gap:10px;padding:13px}.avatar{display:grid;width:34px;height:34px;place-items:center;border-radius:50%;color:#07111a;background:linear-gradient(135deg,var(--cyan),var(--pink));font-weight:850}.handle b{display:block;font-size:12px}.handle span{color:var(--muted);font-size:10px}.preview-media{position:relative;display:grid;min-height:150px;place-items:center;color:#6e7899;background:radial-gradient(circle at 30% 20%,rgba(101,244,255,.17),transparent 37%),linear-gradient(145deg,#171d3b,#090d20);font-size:11px;letter-spacing:.14em}.preview-media:after{content:"9:16 PREVIEW";padding:6px 9px;border:1px solid rgba(255,255,255,.12);border-radius:20px}.preview-copy{min-height:70px;padding:13px;white-space:pre-wrap;overflow-wrap:anywhere;color:#dce1f8;font-size:12px;line-height:1.55}.preview-copy.placeholder{color:#626b8c}.preview-meta{display:flex;justify-content:space-between;padding:0 13px 13px;color:#6f7898;font-size:10px}
.info-section{margin-top:68px}.section-kicker{color:var(--cyan);font-size:10px;letter-spacing:.2em}.section-title{display:flex;align-items:end;justify-content:space-between;gap:30px;margin:10px 0 20px}.section-title h2{max-width:650px;margin:0;font-size:clamp(30px,4vw,46px);letter-spacing:-.045em}.section-title p{max-width:390px;margin:0;color:var(--muted);font-size:12px;line-height:1.7}.info-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px}.info{padding:20px}.info b{font-size:16px}.info p{margin:10px 0 0;color:var(--muted);font-size:12px;line-height:1.7}.related{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:14px}.related a{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 18px;border:1px solid var(--line);border-radius:15px;color:var(--text);background:rgba(17,22,45,.55);text-decoration:none}.related a:hover{border-color:rgba(101,244,255,.4);transform:translateY(-2px)}.related span{color:var(--cyan)}
.disclaimer{margin-top:48px;padding:15px 18px;border:1px solid rgba(255,198,109,.18);border-radius:14px;color:#9ba3c0;background:rgba(255,198,109,.035);font-size:11px;line-height:1.65}.site-footer{display:flex;align-items:center;justify-content:space-between;gap:30px;margin-top:58px;padding:27px 3px 12px;border-top:1px solid var(--line);color:#5d6685;font-size:10px}.footer-brand{display:flex;align-items:center;gap:8px;color:#9aa3c4;font-weight:800;letter-spacing:.12em}.footer-brand .brand-mark{width:26px;height:28px;transform:scale(.72);transform-origin:left center}
.toast{position:fixed;left:50%;bottom:28px;z-index:30;padding:11px 16px;border:1px solid rgba(101,244,255,.35);border-radius:12px;color:var(--cyan);background:#111832;opacity:0;pointer-events:none;transform:translate(-50%,18px);transition:.22s}.toast.show{opacity:1;transform:translate(-50%,0)}
html[data-theme="light"] body:before{opacity:.35;background-image:linear-gradient(rgba(40,55,120,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(40,55,120,.045) 1px,transparent 1px)}
html[data-theme="light"] .nav{background:rgba(255,255,255,.84);box-shadow:0 12px 40px rgba(38,48,100,.09)}
html[data-theme="light"] .platform-switch a,html[data-theme="light"] .mode-switch{background:#eef1fb}
html[data-theme="light"] .mode-btn.active,html[data-theme="light"] .platform-switch a[aria-current="page"],html[data-theme="light"] .platform-switch a:hover{color:#fff;background:linear-gradient(135deg,#0f93a8,#7763e8)}
html[data-theme="light"] textarea,html[data-theme="light"] .metric,html[data-theme="light"] .finding,html[data-theme="light"] .empty{background:rgba(247,249,255,.88)}
html[data-theme="light"] .btn{color:#28304f;background:#eef1fb}html[data-theme="light"] .btn.primary{color:#fff;background:linear-gradient(135deg,#0f93a8,#7763e8)}
html[data-theme="light"] .post-preview{background:#fff}html[data-theme="light"] .preview-media{color:#65708e;background:radial-gradient(circle at 30% 20%,rgba(15,147,168,.14),transparent 37%),linear-gradient(145deg,#eef1ff,#dfe5f6)}
html[data-theme="light"] .progress{background:#e3e7f3}html[data-theme="light"] .related a{color:var(--text);background:rgba(255,255,255,.86)}html[data-theme="light"] .disclaimer{color:#656e8b;background:rgba(169,94,0,.035)}
html[data-theme="light"] .toast{color:#fff;background:#252c49}
@media(max-width:900px){.nav-links{display:none}.hero{grid-template-columns:minmax(0,1fr);margin-bottom:42px}.hero-note{display:none}.checker{grid-template-columns:minmax(0,1fr)}.analysis{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.preview-card{grid-column:1/-1}.info-grid{grid-template-columns:minmax(0,1fr)}.info{padding:17px}.section-title{display:block}.section-title p{margin-top:12px}.related{grid-template-columns:minmax(0,1fr)}}
@media(max-width:600px){.shell{width:min(100% - 22px,1160px);padding-top:11px}.nav{top:8px;margin-bottom:46px}.privacy{display:none}.hero{margin-inline:6px}.hero h1{font-size:43px}.checker{gap:12px}.editor{padding:15px}.card{border-radius:18px}.card-head{gap:10px}textarea{min-height:340px;padding:15px}.analysis{grid-template-columns:minmax(0,1fr);gap:12px}.preview-card{grid-column:auto}.metrics{grid-template-columns:repeat(2,minmax(0,1fr));padding:15px}.score-card,.preview-card{padding:15px}.info-section{margin-top:52px}.site-footer{display:block;line-height:1.8}.site-footer>span{display:block;margin-top:8px}}