:root{--bg: #f6f8fb;--bg-2: #eef2ff;--card: #fff;--muted: #6b7280;--text: #111827;--accent: #2563eb;--accent-600: #1e40af;--danger: #e11d48;--glass: rgba(37,99,235,.06);--shadow: 0 6px 18px rgba(17,24,39,.08)}body.dark-mode{--bg: #071021;--bg-2: #05141f;--card: #0f1722;--text: #e6eef8;--muted: #9aa6b2;--accent: #5b6b7a;--accent-600: #32404d;--glass: rgba(255,255,255,.02);--shadow: 0 10px 30px rgba(2,6,23,.6);--danger: #f43f5e}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial;background:linear-gradient(180deg,var(--bg) 0%,var(--bg-2) 100%);color:var(--text);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.container{max-width:1100px;margin:0 auto;padding:32px;display:flex;flex-direction:column;gap:24px}.card{background:var(--card);border-radius:16px;box-shadow:var(--shadow)}.visually-hidden{position:absolute!important;height:1px;width:1px;overflow:hidden;clip:rect(1px,1px,1px,1px);white-space:nowrap}:root{--bg: #f8fafc;--card: #ffffff;--accent: #4f46e5;--accent-hover: #4338ca;--text-main: #1e293b;--text-muted: #64748b;--shadow: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--radius: 16px;--border: #e2e8f0}body{margin:0;padding:0;background-color:var(--bg);color:var(--text-main);font-family:Inter,system-ui,-apple-system,sans-serif;-webkit-font-smoothing:antialiased;line-height:1.6}#app-root{max-width:1200px;margin:0 auto;padding:40px 20px;min-height:100vh;box-sizing:border-box}.app-card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--border);padding:40px;transition:transform .2s ease,box-shadow .2s ease;width:100%;box-sizing:border-box;display:flex;flex-direction:column;gap:24px}.app-hero{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:32px}.app-hero h1{margin:0;font-size:2.25rem;font-weight:800;color:var(--accent);letter-spacing:-.025em;line-height:1.2}.muted{color:var(--text-muted);font-size:.95rem}@media(max-width:768px){#app-root{padding:20px 15px}.app-card{padding:24px}.app-hero{flex-direction:column;text-align:center;gap:16px}.app-hero h1{font-size:1.75rem}}footer{background:var(--card);padding:18px 12px;text-align:center;color:var(--muted);font-size:1rem;border-top:1px solid rgba(37,99,235,.06);box-shadow:0 -2px 8px #1118270a;width:100%}footer p{margin:0}:root{overflow-x:hidden}.title{max-width:900px;margin:80px auto 40px;text-align:center;padding:0 20px}.title h1{font-size:clamp(2.5rem,8vw,4rem);margin:0 0 16px;color:var(--accent);font-weight:900;letter-spacing:-2px;line-height:1}.title h2{font-size:1.25rem;color:var(--text-main);margin:8px 0;font-weight:600;opacity:.9}.title p{color:var(--text-muted);margin-top:24px;line-height:1.6;font-size:1.1rem}.title span{color:var(--accent);font-weight:700}.feature-container{display:flex;justify-content:center;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:32px;margin:60px 0;padding:0 20px}.feature-card{background:var(--card);padding:32px;border-radius:20px;border:1px solid var(--border);box-shadow:var(--shadow);transition:transform .2s cubic-bezier(.175,.885,.32,1.275),border-color .2s}.feature-card:hover{transform:translateY(-8px);border-color:var(--accent)}.feature-card h2{margin:0 0 12px;font-size:1.25rem;color:var(--accent);font-weight:700}.feature-card p{margin:0;color:var(--text-muted);font-size:.95rem;line-height:1.5}.login{display:flex;justify-content:center;align-items:center;margin-bottom:80px}.login button{width:100%;max-width:300px;padding:18px;border-radius:12px;border:none;background:var(--accent);color:#fff;font-size:1.1rem;font-weight:700;cursor:pointer;transition:all .2s ease;box-shadow:0 10px 15px -3px #0000001a}.login button:hover{filter:brightness(1.1);transform:translateY(-2px);box-shadow:0 20px 25px -5px #0000001a}.dark-toggle button{background:var(--card);border:1px solid var(--border);width:48px;height:48px;border-radius:50%;cursor:pointer;font-size:1.5rem;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow);transition:all .2s}.dark-toggle button:hover{transform:rotate(15deg) scale(1.1)}@media(max-width:768px){.title{margin:60px auto 30px}.feature-container{gap:16px}.dark-toggle{top:16px;right:16px}}.login-box{max-width:420px;margin:80px auto;padding:48px 40px;background:var(--card);border-radius:20px;border:1px solid var(--border);box-shadow:var(--shadow);display:flex;flex-direction:column;align-items:center;transition:transform .3s ease}.login-box .title h1{margin:0 0 24px;font-size:2.25rem;color:var(--accent);font-weight:800;letter-spacing:-1px}.login{display:flex;flex-direction:column;gap:20px;width:100%}.user,.password-wrapper{width:100%;position:relative;display:flex;align-items:center}.password-wrapper{position:relative;display:flex;align-items:center}.user input,.password-wrapper input{width:100%;box-sizing:border-box;padding:14px 40px 14px 16px;border:1.5px solid var(--border);border-radius:12px;background:var(--bg);color:var(--text-main);font-size:1rem;transition:all .2s}.toggle-password{position:absolute;top:50%;right:16px;transform:translateY(-50%);background:transparent;border:none;cursor:pointer;font-weight:600;font-size:.85rem;padding:0 4px;color:var(--text-main)}.registration{text-align:center;font-size:.9rem;color:var(--text-muted);margin-top:-10px}#loginbutton{width:100%;padding:16px;border-radius:12px;border:none;background:var(--accent);color:#fff;font-size:1.1rem;font-weight:700;cursor:pointer;transition:all .2s;box-shadow:0 4px 12px #0000001a;margin-top:10px}#loginbutton:hover{filter:brightness(1.1);transform:translateY(-1px);box-shadow:0 6px 20px #00000026}#error{margin-top:16px;font-size:.9rem;text-align:center;padding:12px;border-radius:8px;background:#ef44441a;color:#ef4444;border:1px solid rgba(239,68,68,.2)}.dark-toggle{position:fixed;top:24px;right:24px}.dark-toggle button{background:var(--card);border:1px solid var(--border);width:45px;height:45px;border-radius:50%;cursor:pointer;font-size:1.2rem;box-shadow:var(--shadow);display:flex;align-items:center;justify-content:center}@media(max-width:480px){.login-box{margin:40px 20px;padding:32px 24px}}.register-box{max-width:420px;margin:80px auto;padding:48px 40px;background:var(--card);border-radius:20px;border:1px solid var(--border);box-shadow:var(--shadow);display:flex;flex-direction:column;align-items:center;transition:transform .3s ease}.register-box .title h1{margin:0 0 24px;font-size:2.25rem;color:var(--accent);font-weight:800;letter-spacing:-1px;text-align:center}.content{width:100%}.register-form{display:flex;flex-direction:column;gap:18px;width:100%}.user,.password-wrapper{width:100%;display:flex;align-items:center}.user input,.password-wrapper input{width:100%;box-sizing:border-box;padding:14px 16px;border:1.5px solid var(--border);border-radius:12px;background:var(--bg);color:var(--text-main);font-size:1rem;transition:all .2s ease;margin-right:8px}.user input:focus,.password-wrapper input:focus{outline:none;border-color:var(--accent);background:var(--card);box-shadow:0 0 0 4px #2563eb1a}.registration{text-align:center;font-size:.9rem;color:var(--text-muted);margin-top:5px}.registration a{color:var(--accent);text-decoration:none;font-weight:600}.registration a:hover{text-decoration:underline}#register-button{width:100%;padding:16px;border-radius:12px;border:none;background:var(--accent);color:#fff;font-size:1.1rem;font-weight:700;cursor:pointer;transition:all .2s;box-shadow:0 4px 12px #0000001a;margin-top:10px}#register-button:hover{filter:brightness(1.1);transform:translateY(-2px);box-shadow:0 8px 20px #00000026}.dark-toggle{position:fixed;top:24px;right:24px;z-index:1000}.dark-toggle button{background:var(--card);border:1px solid var(--border);width:48px;height:48px;border-radius:50%;cursor:pointer;font-size:1.2rem;box-shadow:var(--shadow);display:flex;align-items:center;justify-content:center;transition:all .2s}.dark-toggle button:hover{transform:scale(1.1)}@media(max-width:480px){.register-box{margin:40px 20px;padding:32px 24px}}.verify-wrapper{display:flex;justify-content:center;align-items:center;min-height:80vh;background:linear-gradient(135deg,var(--bg-2) 60%,var(--card) 100%)}.verify-card{max-width:420px;width:100%;background:var(--card);padding:40px 32px 32px;border-radius:18px;box-shadow:0 8px 32px #2563eb1a,0 1.5px 8px #0000000a;text-align:center;display:flex;flex-direction:column;gap:22px;border:1.5px solid var(--glass)}.verify-card h1{margin:0 0 12px;font-size:2.2rem;color:var(--accent);font-weight:800;letter-spacing:.5px}.verify-card p{color:var(--muted);margin:0 0 20px;font-size:1.15rem}.code{display:flex;flex-direction:column;gap:16px;align-items:center}.code input{width:100%;max-width:260px;padding:16px 18px;border-radius:12px;border:1.5px solid var(--accent);background:var(--bg);color:var(--text);font-size:1.13rem;transition:border-color .2s,box-shadow .2s;box-shadow:0 1.5px 8px #2563eb0a}.code input:focus{outline:none;border-color:var(--accent-600);box-shadow:0 0 0 2px var(--accent-600, #1e40af33)}.actions{display:flex;gap:20px;justify-content:center;align-items:center;margin-top:14px}.actions button{padding:13px 28px;border-radius:10px;border:none;background:linear-gradient(90deg,var(--accent) 60%,var(--accent-600) 100%);color:#fff;font-weight:700;font-size:1.08rem;box-shadow:0 4px 16px var(--accent-600, #1e40af22);cursor:pointer;transition:background .18s,box-shadow .18s,transform .12s;letter-spacing:.2px}.actions button:hover{background:linear-gradient(90deg,var(--accent-600) 60%,var(--accent) 100%);box-shadow:0 8px 28px var(--accent-600, #1e40af33);transform:translateY(-2px) scale(1.03)}.message{margin-top:14px;padding:12px;border-radius:10px;background:var(--glass);color:var(--accent-600);font-size:1.08rem;box-shadow:0 1.5px 8px #2563eb0a}.email-display{font-size:1.08rem;color:var(--muted);margin-bottom:8px}.dark-toggle{position:fixed;top:18px;right:20px}.dark-toggle button{background:transparent;border:1px solid var(--accent-600);padding:8px 10px;border-radius:8px;color:var(--muted);font-size:1.2rem}body.dark-mode .verify-card{background:var(--card);color:var(--text)}body.dark-mode .code input{background:var(--bg-2);border-color:var(--accent-600);color:var(--text)}body.dark-mode .actions button{background:var(--accent-600);color:#fff}#specSheet{width:100%;min-height:100px;max-width:100%;border-radius:12px;border:1.5px solid var(--border);background:var(--bg);color:var(--text-main);font-size:1rem;padding:12px;margin-top:0;margin-bottom:0;transition:border-color .2s,box-shadow .2s;box-sizing:border-box;resize:vertical}#specSheet:focus{outline:none;border-color:var(--accent);background:var(--card);box-shadow:0 0 0 4px #2563eb1a}input[type=file]{width:100%;padding:8px 0;border-radius:8px;background:var(--bg);color:var(--text-main);font-size:1rem;margin-bottom:0;margin-top:0;border:none}.header{display:flex;justify-content:space-between;align-items:center;padding:16px 5px;background:var(--card);border-bottom:1px solid var(--border);box-shadow:var(--shadow);max-height:min-content}.login-and-username{display:flex;align-items:center;gap:20px}.login-and-username p{margin:0;font-size:.95rem;color:var(--text-main)}#username{font-weight:700;color:var(--accent)}.login-and-username button{padding:8px 16px;background:var(--bg);border:1px solid var(--border);border-radius:8px;color:var(--text-main);cursor:pointer;font-weight:600;transition:all .2s}.login-and-username button:hover{background:var(--accent);color:#fff;border-color:var(--accent)}#pageContent{max-width:480px;margin:40px auto;padding:48px 40px;background:var(--card);border-radius:20px;border:1px solid var(--border);box-shadow:var(--shadow);text-align:center;display:flex;flex-direction:column;gap:20px;overflow:visible;min-height:480px}#pageContent h1{margin:0;font-size:2rem;color:var(--accent);font-weight:800;letter-spacing:-1px}#pageContent p{margin:0;color:var(--text-muted);font-size:.95rem;line-height:1.5}.center-wrapper{width:100%;display:flex;flex-direction:column;align-items:center;gap:16px;min-width:0}.pass{position:relative;width:100%;display:flex;align-items:center;min-width:0}#reportPassword{width:100%;min-width:0;box-sizing:border-box;padding:14px 70px 14px 16px;border:1.5px solid var(--border);border-radius:12px;background:var(--bg);color:var(--text-main);font-size:1rem;transition:all .2s;margin-right:8px;z-index:1}#reportPassword:focus{outline:none;border-color:var(--accent);background:var(--card);box-shadow:0 0 0 4px #2563eb1a}.toggle-password{position:absolute;right:12px;top:50%;transform:translateY(-50%);background:transparent;border:none;color:var(--accent);cursor:pointer;font-weight:600;font-size:.85rem;z-index:10}#pageContent>button{width:100%;padding:16px;border-radius:12px;border:none;background:var(--accent);color:#fff;font-size:1.1rem;font-weight:700;cursor:pointer;transition:all .2s;box-shadow:0 4px 12px #0000001a;margin-top:8px}#pageContent>button:hover{filter:brightness(1.1);transform:translateY(-2px);box-shadow:0 8px 20px #00000026}.loading-overlay{position:fixed;top:0;left:0;width:100vw;height:100vh;background:#0f172acc;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:3000;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#fff;font-weight:600;gap:20px}.spinner{width:48px;height:48px;border:4px solid rgba(255,255,255,.2);border-top:4px solid var(--accent);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.dark-toggle{position:fixed;bottom:24px;right:24px;z-index:4000}.dark-toggle button{background:var(--card);border:1px solid var(--border);width:48px;height:48px;border-radius:50%;cursor:pointer;font-size:1.2rem;box-shadow:var(--shadow);display:flex;align-items:center;justify-content:center}@media(max-width:600px){#pageContent{margin:40px 20px;padding:32px 24px}.header{padding:16px 20px}}.header{min-height:100vh;display:flex;flex-direction:column}.login-and-username{max-width:1200px;margin:20px auto;padding:0 20px;display:flex;align-items:center;justify-content:flex-start;gap:1.5rem;width:100%;box-sizing:border-box}.login-and-username p{margin:0;font-size:1rem;color:var(--text-main)}.login-and-username span{font-weight:700;color:var(--accent)}#logout-button{padding:10px 20px;font-size:.9rem;font-weight:700;background:var(--card);color:var(--text-main);border:1px solid var(--border);border-radius:8px;cursor:pointer;transition:all .2s ease}#logout-button:hover{background:var(--accent);color:#fff;border-color:var(--accent)}.pay-select{flex:1;display:flex;justify-content:center;align-items:center;padding:40px 20px;min-width:320px}.payment-options{width:100%;max-width:480px;background:var(--card);border-radius:24px;border:1px solid var(--border);box-shadow:var(--shadow);padding:40px;display:flex;flex-direction:column;gap:24px}.payment-options h1{margin:0 0 10px;font-size:1.75rem;font-weight:800;color:var(--text-main);text-align:center}.card-radio{display:block;cursor:pointer;position:relative}.card-radio input[type=radio]{display:none}.card-content{padding:24px;border:2px solid var(--border);border-radius:16px;background:var(--bg);transition:all .2s ease}.card-content h2{margin:0 0 4px;font-size:1.1rem;font-weight:700;color:var(--text-main)}.card-content p{margin:0;font-size:.9rem;color:var(--text-muted);line-height:1.4}.card-radio input[type=radio]:checked+.card-content{border-color:var(--accent);background:var(--card);box-shadow:0 0 0 4px #2563eb1a;transform:translateY(-2px)}.card-radio input[type=radio]:checked+.card-content h2{color:var(--accent)}.card-radio:hover .card-content{border-color:var(--accent);opacity:.9}.pay-button{margin-top:10px;width:100%;padding:18px;border-radius:12px;border:none;background:var(--accent);color:#fff;font-size:1.1rem;font-weight:700;cursor:pointer;transition:all .2s ease;box-shadow:0 4px 12px #0000001a}.pay-button:hover{filter:brightness(1.1);transform:translateY(-2px);box-shadow:0 8px 20px #00000026}@media(max-width:600px){.payment-options{padding:24px}.login-and-username{flex-direction:column;text-align:center;gap:10px}}