:root{--primary-blue: #003399;--accent-blue: #002b80;--nav-height: 75px;--text-color: #ffffff}html,body{margin:0;padding:0;font-family:Poppins,sans-serif;background:linear-gradient(to bottom,#1565c0,#1e88e5,#42a5f5);color:var(--text-color);min-height:100vh;scroll-behavior:smooth;overflow-x:hidden}.page-content,.page-wrapper{padding-top:var(--nav-height);padding-left:1.5rem;padding-right:1.5rem;min-height:calc(100vh - var(--nav-height));box-sizing:border-box}.top-nav{position:fixed;top:0;left:0;width:100%;height:var(--nav-height);display:flex;justify-content:space-between;align-items:center;padding:0 1.5rem;background:linear-gradient(90deg,var(--primary-blue),var(--accent-blue));color:#fff;z-index:1000;box-shadow:0 3px 10px #00000040;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.brand-area{display:flex;align-items:center;gap:10px}.nav-logo{width:40px;height:40px;object-fit:contain}.nav-title{font-size:1.2rem;font-weight:700}.nav-links{display:flex;align-items:center;gap:1.5rem;list-style:none;margin:0;padding:0}.nav-link{text-decoration:none;color:#fff;font-weight:500;display:flex;align-items:center;gap:6px;transition:color .3s ease}.nav-link:hover{color:#fc0}.nav-link.active{border-bottom:2px solid #ffcc00;color:#fc0}.hamburger{display:none;font-size:1.6rem;color:#fff;background:none;border:none;cursor:pointer;width:42px;height:42px;border-radius:50%;align-items:center;justify-content:center;transition:background .25s ease}.hamburger:hover{background:#fff3}@media(max-width:768px){.hamburger{display:flex}.nav-links{position:absolute;top:var(--nav-height);left:0;width:100%;background:#003399f7;flex-direction:column;align-items:center;gap:1.2rem;padding:1.2rem 0;transform:translateY(-100%);opacity:0;pointer-events:none;transition:.35s ease}.nav-links.open{transform:translateY(0);opacity:1;pointer-events:auto}}.chat-manager-container{max-width:800px;margin:30px auto 0;background:#ffffff14;border-radius:12px;padding:20px;box-shadow:0 4px 20px #0003;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.chat-header{text-align:center;color:#fc0;font-size:1.4rem;font-weight:700;margin-bottom:15px}.chat-box{background:#0003;border-radius:10px;padding:15px;height:400px;overflow-y:auto;display:flex;flex-direction:column;gap:10px}.chat-bubble{max-width:75%;padding:10px 14px;border-radius:14px;line-height:1.4;font-size:.95rem;word-wrap:break-word;box-shadow:0 2px 6px #0003;animation:fadeIn .4s ease 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#0053f440;display:flex;flex-direction:row;align-items:center;justify-content:space-between;max-width:1100px;width:100%;padding:4rem;gap:3rem;transition:background .4s ease,box-shadow .4s ease,transform .3s ease;animation:floatUp 6s ease-in-out infinite alternate}.landing-content:hover{background:linear-gradient(135deg,#b0c3ff,#a7baff);box-shadow:0 0 55px #0053f459;transform:translateY(-5px)}.landing-text{flex:1;opacity:0;animation:fadeInText 1.2s ease forwards;animation-delay:.3s}@keyframes fadeInText{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.landing-text h1{font-size:2.8rem;color:#0b132b;margin-bottom:1.2rem;line-height:1.3;font-weight:800;letter-spacing:-.5px}.landing-text .highlight{font-weight:800}.highlight.brand{background:linear-gradient(90deg,#0053f4,#007bff);-webkit-background-clip:text;-webkit-text-fill-color:transparent;white-space:nowrap;display:inline-block}.landing-text p{color:#1f2937;font-size:1.1rem;margin-bottom:2rem;max-width:90%;line-height:1.6}.landing-buttons{display:flex;gap:1rem}.btn-login{background-color:#0053f4;color:#fff;border:none;padding:.75rem 1.8rem;border-radius:8px;font-size:1rem;font-weight:500;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 12px #0053f440}.btn-login:hover{background-color:#0040c8;transform:translateY(-2px)}.btn-create{background-color:#fffffff2;color:#0053f4;border:2px solid #0053f4;padding:.75rem 1.8rem;border-radius:8px;font-size:1rem;font-weight:500;cursor:pointer;transition:all .3s ease}.btn-create:hover{background-color:#0053f4;color:#fff;transform:translateY(-2px)}.landing-image{flex:1;display:flex;align-items:center;justify-content:center}.landing-image .illustration{width:90%;max-width:450px;height:auto;filter:drop-shadow(0 10px 25px rgba(0,83,244,.2));opacity:0;animation:fadeInImage 1.4s ease forwards;animation-delay:.6s}@keyframes fadeInImage{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@media(max-width:900px){.landing-content{flex-direction:column;text-align:center;padding:2.5rem}.landing-buttons{justify-content:center}.landing-image{margin-top:2rem}}.auth-page{background:linear-gradient(to bottom right,#e6eeff,#f5f8ff);min-height:100vh;display:flex;align-items:center;justify-content:center;padding:2rem}.auth-container{background:linear-gradient(135deg,#c3d4ff,#b5c8ff);border-radius:22px;box-shadow:0 0 40px #0053f440;width:420px;padding:3rem;text-align:center;transition:all .4s ease;animation:floatUp 6s ease-in-out infinite alternate}@keyframes floatUp{0%{transform:translateY(0)}to{transform:translateY(-10px)}}.auth-container form{animation:fadeIn .5s ease forwards}.auth-logo{display:block;margin:0 auto 1.2rem;width:80px;height:auto}.auth-container h2{color:#0b132b;margin-bottom:1.5rem;font-weight:700}.input{width:100%;padding:.9rem;margin-top:8px;border:1px solid rgba(0,83,244,.25);border-radius:8px;font-size:.95rem;outline:none;background-color:#fffffff2}.input:focus{border-color:#0053f4;box-shadow:0 0 6px #0053f44d}.label{font-size:.9rem;color:#0b132b;display:block;margin-top:10px;text-align:left}.auth-btn{width:100%;padding:.9rem;border-radius:8px;font-size:1rem;font-weight:500;cursor:pointer;transition:all .3s ease}.auth-btn.primary{background-color:#0053f4;color:#fff;border:none;box-shadow:0 4px 12px #0053f440}.auth-btn.primary:hover{background-color:#0040c8;transform:translateY(-2px)}.auth-btn.ghost{background-color:#fff;color:#0053f4;border:2px solid #0053f4}.auth-btn.ghost:hover{background-color:#0053f4;color:#fff;transform:translateY(-2px)}.auth-divider{text-align:center;color:#555;margin:20px 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1.2rem;transition:.25s}.btn.primary{background:#0053f4;color:#fff}.btn.secondary{background:#e0e7ff;color:#003bb5}.btn:hover{opacity:.9}.status{margin-top:1rem;font-weight:500;text-align:center}.profile-page-modern{min-height:100vh;background:linear-gradient(135deg,#0f172a,#1e3a8a,#2563eb);display:flex;justify-content:center;align-items:center;padding:80px 20px;font-family:Poppins,sans-serif;color:#fff}.profile-container{background:#ffffff1f;-webkit-backdrop-filter:blur(15px);backdrop-filter:blur(15px);border-radius:20px;padding:40px;max-width:900px;width:100%;box-shadow:0 10px 25px #0000004d;animation:fadeIn .6s ease-out}.profile-header{display:flex;align-items:center;gap:25px;margin-bottom:30px;flex-wrap:wrap}.photo-wrapper{position:relative;display:inline-block}.profile-photo{width:130px;height:130px;border-radius:50%;object-fit:cover;border:4px solid #ffd700;box-shadow:0 0 15px #ffd70066}.profile-photo-icon{font-size:130px;color:#cbd5e1}.profile-info h2{font-size:1.8rem;font-weight:700;color:#fff}.joined-text{font-size:.9rem;color:#cbd5e1;margin-top:6px}.membership-section{display:flex;align-items:center;gap:15px;flex-wrap:wrap;margin-top:6px}.membership-badge{background:linear-gradient(90deg,#22c55e,#16a34a);color:#fff;font-weight:600;border-radius:8px;padding:5px 14px;display:flex;align-items:center;gap:6px;box-shadow:0 3px 10px #16a34a66}.star-icon{color:gold}.crown-icon{margin-right:5px;color:#fc0}.upgrade-btn{background:linear-gradient(90deg,#fc0,#f90);border:none;border-radius:8px;padding:7px 14px;font-weight:600;cursor:pointer;color:#111;transition:.3s 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linear}}.card{padding:2em}.read-the-docs{color:#888}:root[data-theme=light]{--bg: linear-gradient(180deg, #e7f0ff 0%, #dfe9ff 40%, #f5f8ff 100%);--card: rgba(255, 255, 255, .96);--card-accent: rgba(230, 240, 255, .95);--text: #1c3c78;--muted: #66738f;--border: rgba(30, 70, 160, .12);--shadow: 0 8px 24px rgba(60, 90, 160, .08);--accent: #1877f2;--accent-600: #145bd0;--nav-bg: #1877f2;--nav-border: #145bd0}:root[data-theme=dark]{--bg: linear-gradient(180deg, #0c1428 0%, #162543 50%, #1f325b 100%);--card: rgba(25, 35, 55, .95);--card-accent: rgba(35, 50, 75, .9);--text: #e3ecff;--muted: #b9c7e8;--border: rgba(255, 255, 255, .08);--shadow: 0 8px 26px rgba(0, 0, 0, .45);--accent: #408cff;--accent-600: #2a6fd6;--nav-bg: #0f2b5d;--nav-border: rgba(255,255,255,.1)}html,body,#root{min-height:100%}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial;background:var(--bg);background-attachment:fixed;color:var(--text);transition:background .3s ease,color .3s ease}body:before{content:"";position:fixed;inset:0;background:var(--bg);z-index:-1}.page{max-width:1000px;margin:70px auto;padding:20px;background:var(--card-accent);border-radius:18px;border:1px solid var(--border);box-shadow:0 6px 20px #0000000d;display:flex;flex-direction:column;gap:28px;transition:background .3s ease,box-shadow .3s ease}.card{background:var(--card);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow);padding:22px;transition:transform .2s ease,box-shadow .2s ease}.card:hover{transform:translateY(-2px);box-shadow:0 10px 28px #00000014}.section-title{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.15rem}a,.link{color:var(--accent);text-decoration:none}a:hover,.link:hover{color:var(--accent-600)}.btn{border:none;background:var(--accent);color:#fff;border-radius:10px;padding:10px 14px;font-weight:600;cursor:pointer;transition:transform .12s ease,background .16s ease}.btn:hover{background:var(--accent-600);transform:translateY(-1px)}.btn:disabled{opacity:.6;cursor:not-allowed}.grid{display:grid;gap:18px}.grid-auto-tiles{grid-template-columns:repeat(auto-fit,minmax(160px,1fr))}.navbar{background:var(--nav-bg);color:#fff;border-bottom:2px solid var(--nav-border);position:sticky;top:0;z-index:1000;padding:14px 32px;display:flex;align-items:center;justify-content:space-between;box-shadow:0 2px 6px #00000026}.nav-item{display:flex;align-items:center;gap:6px;color:#f0f2f5;font-weight:600;font-size:14.5px;text-decoration:none;padding:10px 8px;border-bottom:2px solid transparent;transition:color .2s ease,border-color .2s ease}.nav-item:hover{color:#fff}.nav-item.active{color:#fff;border-bottom-color:#fff}.nav-logo{display:flex;align-items:center;gap:10px;font-weight:700;color:#fff;font-size:1.2rem}.nav-logo img{height:36px;width:36px;object-fit:cover;border-radius:6px}.dl-card{overflow:hidden;border-radius:14px;background:var(--card);border:1px solid var(--border);box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease}.dl-thumb{width:100%;height:150px;object-fit:cover;display:block}.dl-body{padding:12px;display:flex;justify-content:space-between;align-items:center;gap:8px}.dl-title{font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.dl-card:hover{transform:translateY(-3px);box-shadow:0 12px 28px #00000014}.settings-dropdown{background:#fff;color:#1c1e21;border-radius:10px;box-shadow:0 4px 16px #00000026;padding:8px 0;border:1px solid rgba(0,0,0,.08);z-index:9999}.settings-dropdown a,.settings-dropdown button{display:flex;align-items:center;gap:8px;width:100%;padding:10px 16px;color:#1c1e21;background:transparent;border:none;font-size:14px;text-align:left;transition:background .2s ease,color .2s ease}.settings-dropdown a:hover,.settings-dropdown button:hover{background:#1877f21a;color:#1877f2}.settings-dropdown .logout{color:#d93025;font-weight:600}.settings-dropdown .logout:hover{background:#d9302514}