html,body,#root{min-height:100%;margin:0}*{box-sizing:border-box}html{background:#09090b}body{color:#fafafa;background:#09090b;margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}button,textarea,select,input{font:inherit}button{cursor:pointer}.app{background:radial-gradient(circle at 50% 0,#ffffff09,#0000 35%),#09090b;min-height:100vh}.header{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#09090bd9;border-bottom:1px solid #27272a;justify-content:space-between;align-items:center;height:72px;padding:0 6%;display:flex}.logo{align-items:center;gap:10px;font-size:20px;font-weight:700;display:flex}.logo-icon{color:#09090b;background:#f4f4f5;border-radius:8px;justify-content:center;align-items:center;width:30px;height:30px;font-size:18px;font-weight:900;display:flex}.status{color:#a1a1aa;align-items:center;gap:8px;font-size:13px;display:flex}.status-dot{background:#22c55e;border-radius:50%;width:8px;height:8px;box-shadow:0 0 8px #22c55e73}.container{width:min(1050px,90%);margin:0 auto;padding:85px 0 70px}.hero{text-align:center;margin-bottom:55px}.eyebrow{color:#a1a1aa;letter-spacing:2.5px;margin:0 0 18px;font-size:11px;font-weight:700}.hero h1{letter-spacing:-4px;margin:0;font-size:clamp(44px,7vw,76px);line-height:.98}.hero h1 span{color:#71717a}.description{color:#a1a1aa;max-width:620px;margin:25px auto 0;font-size:16px;line-height:1.7}.card{background:linear-gradient(145deg,#ffffff06,#fff0),#111113;border:1px solid #27272a;border-radius:20px;padding:32px;box-shadow:0 20px 60px #00000040}.card-header{margin-bottom:25px}.card-header h2{letter-spacing:-.5px;margin:0 0 7px;font-size:24px}.card-header p{color:#71717a;margin:0;font-size:14px}.operation-switch{background:#09090b;border:1px solid #27272a;border-radius:10px;gap:4px;width:fit-content;margin-bottom:14px;padding:4px;display:flex}.operation-switch button{color:#71717a;background:0 0;border:none;border-radius:7px;padding:10px 18px;font-size:14px;font-weight:600;transition:all .2s}.operation-switch button:hover{color:#d4d4d8}.operation-switch button.active{color:#fafafa;background:#27272a}.mode-switch{background:#09090b;border:1px solid #27272a;border-radius:10px;gap:4px;width:fit-content;margin-bottom:27px;padding:4px;display:flex}.mode-switch button{color:#71717a;background:0 0;border:none;border-radius:7px;min-width:90px;padding:9px 18px;font-size:14px;transition:all .2s}.mode-switch button:hover{color:#d4d4d8}.mode-switch button.active{color:#fafafa;background:#27272a}.input-section{margin-bottom:25px}label{color:#d4d4d8;margin-bottom:9px;font-size:13px;font-weight:600;display:block}textarea{resize:vertical;color:#fafafa;background:#09090b;border:1px solid #3f3f46;border-radius:11px;outline:none;width:100%;min-height:165px;padding:16px;font-size:15px;line-height:1.6;transition:border-color .2s}textarea::placeholder{color:#52525b}textarea:focus{border-color:#71717a}.file-upload{text-align:center;background:radial-gradient(circle,#18181b 0%,#111113 45%,#09090b 100%);border:2px dashed #52525b;border-radius:24px;flex-direction:column;justify-content:center;align-items:center;min-height:370px;padding:45px 30px;transition:border-color .25s,background .25s,transform .25s;display:flex;position:relative}.file-upload:hover{background:radial-gradient(circle,#1f1f23 0%,#111113 50%,#09090b 100%);border-color:#71717a}.file-upload.dragging{background:radial-gradient(circle,#27272a 0%,#18181b 50%,#09090b 100%);border-color:#a1a1aa;transform:scale(1.005)}.file-upload input{opacity:0;pointer-events:none;width:1px;height:1px;position:absolute}.upload-icon{color:#d4d4d8;background:#18181b;border:1px solid #3f3f46;border-radius:50%;justify-content:center;align-items:center;width:78px;height:78px;margin-bottom:25px;display:flex;box-shadow:0 10px 30px #00000040}.upload-title{color:#f4f4f5;letter-spacing:-.5px;font-size:25px;font-weight:700}.upload-subtitle{color:#a1a1aa;margin-top:6px;font-size:19px}.upload-description{color:#71717a;margin-top:20px;font-size:14px}.choose-file-button{color:#09090b;cursor:pointer;background:#f4f4f5;border-radius:11px;justify-content:center;align-items:center;gap:10px;margin-top:28px;padding:14px 28px;font-size:15px;font-weight:700;transition:background .2s,transform .2s;display:inline-flex}.choose-file-button:hover{background:#fff;transform:translateY(-2px)}.selected-file{flex-direction:column;align-items:center;gap:8px;max-width:80%;display:flex}.selected-file-name{color:#f4f4f5;word-break:break-word;font-size:19px;font-weight:700}.selected-file-size{color:#71717a;font-size:14px}.change-file-button{color:#d4d4d8;cursor:pointer;background:0 0;border:1px solid #3f3f46;border-radius:9px;margin-top:25px;padding:10px 18px;transition:border-color .2s,background .2s}.change-file-button:hover{background:#18181b;border-color:#71717a}.expected-hash-section{margin-top:25px;margin-bottom:25px}.expected-hash-section input{color:#fafafa;background:#09090b;border:1px solid #3f3f46;border-radius:10px;outline:none;width:100%;height:48px;padding:0 15px;font-family:SFMono-Regular,Consolas,Liberation Mono,monospace;font-size:13px;transition:border-color .2s}.expected-hash-section input::placeholder{color:#52525b}.expected-hash-section input:focus{border-color:#71717a}.input-hint{color:#52525b;margin:8px 0 0;font-size:12px}.controls{align-items:end;gap:15px;margin-top:25px;display:flex}.algorithm-control{flex:1}select{color:#fafafa;cursor:pointer;background:#09090b;border:1px solid #3f3f46;border-radius:10px;outline:none;width:100%;height:44px;padding:0 13px;transition:border-color .2s}select:focus{border-color:#71717a}.generate-button{color:#09090b;white-space:nowrap;background:#f4f4f5;border:none;border-radius:10px;justify-content:center;align-items:center;gap:9px;height:44px;padding:0 24px;font-size:14px;font-weight:700;transition:background .2s,transform .2s;display:flex}.generate-button:hover:not(:disabled){background:#fff;transform:translateY(-1px)}.generate-button:disabled{opacity:.55;cursor:not-allowed}.spinner{border:2px solid #71717a;border-top-color:#09090b;border-radius:50%;width:15px;height:15px;animation:.7s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.error{color:#fecaca;background:#450a0a;border:1px solid #7f1d1d;border-radius:9px;align-items:center;gap:10px;margin-top:20px;padding:13px 15px;font-size:14px;display:flex}.error span{color:#fecaca;background:#7f1d1d;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:20px;height:20px;font-size:12px;font-weight:700;display:flex}.result{background:#09090b;border:1px solid #27272a;border-radius:13px;margin-top:25px;padding:21px}.result-header{justify-content:space-between;align-items:center;display:flex}.result-label{color:#71717a;letter-spacing:1.7px;font-size:10px;font-weight:700}.result-header h3{margin:5px 0 0;font-size:18px}.copy-button{color:#d4d4d8;cursor:pointer;background:0 0;border:1px solid #3f3f46;border-radius:8px;padding:8px 15px;font-size:13px;transition:background .2s,border-color .2s}.copy-button:hover{background:#18181b;border-color:#71717a}.file-result{flex-direction:column;gap:4px;margin-top:17px;font-size:13px;display:flex}.file-result span{color:#52525b}.file-result strong{color:#d4d4d8;word-break:break-word}.hash-value{color:#d4d4d8;word-break:break-all;background:#18181b;border:1px solid #27272a;border-radius:9px;margin-top:17px;padding:15px;font-family:SFMono-Regular,Consolas,Liberation Mono,monospace;font-size:13px;line-height:1.7}.verification-result{background:#111113;border-radius:14px;gap:18px;margin-top:25px;padding:22px;display:flex}.verification-result.verified{border:1px solid #166534}.verification-result.not-verified{border:1px solid #991b1b}.verification-icon{border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:44px;height:44px;font-size:22px;font-weight:700;display:flex}.verified .verification-icon{color:#4ade80;background:#052e16}.not-verified .verification-icon{color:#f87171;background:#450a0a}.verification-content{min-width:0}.verification-content h3{margin:0 0 6px;font-size:18px}.verification-content p{color:#71717a;margin:0;font-size:13px;line-height:1.5}.verification-details{flex-direction:column;gap:12px;margin-top:18px;display:flex}.verification-details div{flex-direction:column;gap:5px;display:flex}.verification-details span{color:#52525b;text-transform:uppercase;letter-spacing:1px;font-size:10px;font-weight:700}.verification-details code{color:#a1a1aa;word-break:break-all;background:#09090b;border-radius:7px;padding:10px;font-family:SFMono-Regular,Consolas,monospace;font-size:11px;line-height:1.5;display:block}.info-grid{grid-template-columns:repeat(3,1fr);gap:15px;margin-top:20px;display:grid}.info-card{background:#111113;border:1px solid #27272a;border-radius:15px;min-height:220px;padding:24px;position:relative;overflow:hidden}.info-card.featured{border-color:#3f3f46}.info-number{color:#3f3f46;letter-spacing:1px;font-size:11px;font-weight:700}.info-card h3{margin:25px 0 10px;font-size:20px}.info-card p{color:#71717a;margin:0;font-size:13px;line-height:1.65}.warning-tag,.recommended-tag,.secure-tag{color:#a1a1aa;letter-spacing:.5px;text-transform:uppercase;border:1px solid #3f3f46;border-radius:6px;margin-top:20px;padding:5px 9px;font-size:10px;font-weight:700;display:inline-block}.recommended-tag{color:#d4d4d8;background:#18181b}footer{text-align:center;color:#52525b;border-top:1px solid #27272a;padding:30px;font-size:12px}@media (width<=700px){.header{padding:0 5%}.status{display:none}.container{width:92%;padding-top:55px}.hero{margin-bottom:35px}.hero h1{letter-spacing:-2.5px;font-size:48px}.description{font-size:14px}.card{padding:20px}.operation-switch,.mode-switch{width:100%}.operation-switch button,.mode-switch button{flex:1}.file-upload{min-height:320px;padding:30px 20px}.upload-title{font-size:20px}.upload-subtitle{font-size:16px}.controls{flex-direction:column;align-items:stretch}.generate-button{width:100%}.info-grid{grid-template-columns:1fr}.verification-result{flex-direction:column}}