:root{--bg: #0c0f1d;--bg-soft: #141a30;--card: #1a2138;--border: #2a3354;--text: #eef1ff;--text-dim: #9aa3c7;--accent: #7c5cff;--accent-2: #ff6bb0;--gradient: linear-gradient(135deg, #7c5cff 0%, #a84bff 50%, #ff6bb0 100%);--radius: 16px;--shadow: 0 20px 60px rgba(0, 0, 0, .5)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Segoe UI,system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text);min-height:100vh;-webkit-font-smoothing:antialiased}.app{position:relative;min-height:100vh;overflow:hidden}.app:before{content:"";position:absolute;top:-20%;left:-10%;width:60%;height:60%;background:radial-gradient(circle at center,rgba(124,92,255,.25),transparent 60%);border-radius:50%;pointer-events:none}.app:after{content:"";position:absolute;bottom:-20%;right:-10%;width:60%;height:60%;background:radial-gradient(circle at center,rgba(255,107,176,.2),transparent 60%);border-radius:50%;pointer-events:none}.interactive-bg{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1;width:100%;height:100%;pointer-events:none}.header{position:relative;z-index:10;display:flex;align-items:center;justify-content:space-between;padding:20px 32px}.brand{display:flex;align-items:center;gap:10px}.brand-dot{width:12px;height:12px;border-radius:50%;background:var(--gradient);box-shadow:0 0 18px #7c5cffb3}.brand-name{font-size:1.35rem;font-weight:700;letter-spacing:.5px}.header-actions{display:flex;align-items:center;gap:12px}.login-btn{display:inline-flex;align-items:center;gap:8px;padding:11px 24px;border:none;border-radius:999px;background:var(--gradient);background-size:200% 200%;color:#fff;font-size:.95rem;font-weight:600;cursor:pointer;box-shadow:0 6px 24px #a84bff73;transition:transform .2s ease,box-shadow .2s ease,background-position .3s ease}.login-btn:hover{transform:translateY(-2px);background-position:100% 100%;box-shadow:0 10px 30px #a84bff8c}.login-btn:active{transform:translateY(0)}.user-chip{display:flex;align-items:center;gap:10px;padding:6px 14px 6px 6px;background:var(--card);border:1px solid var(--border);border-radius:999px}.user-avatar{display:grid;place-items:center;width:30px;height:30px;border-radius:50%;background:var(--gradient);font-weight:700;font-size:.9rem;color:#fff}.user-email{font-size:.85rem;color:var(--text-dim);max-width:180px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.logout-btn{border:none;background:transparent;color:var(--text-dim);font-size:.8rem;cursor:pointer;padding:4px 8px;border-radius:8px;transition:color .2s,background .2s}.logout-btn:hover{color:var(--text);background:#ffffff0f}.hero{position:relative;z-index:5;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;min-height:calc(100vh - 140px);padding:40px 24px}.hero-title{font-size:clamp(2.6rem,7vw,4.5rem);font-weight:800;line-height:1.1;letter-spacing:-1px}.hero-line{display:block}.hero-char{display:inline-block;opacity:0;transform:translateY(.6em) rotate(4deg);animation:heroCharIn .7s cubic-bezier(.22,1,.36,1) forwards;animation-delay:calc(var(--i) * 45ms);will-change:transform,opacity}.hero-accent{position:relative;background:var(--gradient);background-size:200% 200%;-webkit-background-clip:text;background-clip:text;color:transparent;animation:heroShimmer 6s ease-in-out infinite}@keyframes heroShimmer{0%,to{background-position:0% 50%}50%{background-position:100% 50%}}@keyframes heroCharIn{to{opacity:1;transform:translateY(0) rotate(0)}}.hero-subtitle{margin-top:18px;font-size:clamp(1.1rem,3vw,1.4rem);color:var(--text-dim);max-width:520px;opacity:0;transform:translateY(16px);animation:heroFadeUp .8s ease .9s forwards}.cta-btn{margin-top:36px;padding:15px 40px;border:1px solid var(--border);border-radius:999px;background:var(--card);color:var(--text);font-size:1.05rem;font-weight:600;cursor:pointer;opacity:0;transform:translateY(16px);animation:heroFadeUp .8s ease 1.05s forwards;transition:transform .2s,border-color .2s,background .2s}@keyframes heroFadeUp{to{opacity:1;transform:translateY(0)}}.cta-btn:hover{transform:translateY(-2px);border-color:var(--accent);background:var(--bg-soft)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:50;display:grid;place-items:center;background:#060810b3;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);animation:fadeIn .2s ease}.modal{position:relative;width:min(400px,calc(100vw - 48px));padding:40px 36px 28px;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);animation:popIn .25s ease}.modal-close{position:absolute;top:14px;right:14px;width:32px;height:32px;border:none;border-radius:50%;background:#ffffff0f;color:var(--text-dim);font-size:.95rem;cursor:pointer;transition:background .2s,color .2s}.modal-close:hover{background:#ffffff1f;color:var(--text)}.modal-icon{display:grid;place-items:center;width:52px;height:52px;margin:0 auto 16px;border-radius:14px;background:var(--gradient);font-size:1.4rem;color:#fff}.modal-title{text-align:center;font-size:1.5rem;font-weight:700}.modal-sub{text-align:center;color:var(--text-dim);font-size:.9rem;margin:6px 0 24px}.auth-tabs{display:flex;gap:6px;padding:4px;margin-bottom:24px;background:var(--bg-soft);border:1px solid var(--border);border-radius:12px}.auth-tab{flex:1;padding:9px 12px;border:none;border-radius:9px;background:transparent;color:var(--text-dim);font-size:.92rem;font-weight:600;cursor:pointer;transition:background .2s,color .2s,box-shadow .2s}.auth-tab:hover{color:var(--text)}.auth-tab.active{background:var(--gradient);color:#fff;box-shadow:0 4px 14px #a84bff59}.field{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}.field span{font-size:.82rem;color:var(--text-dim);font-weight:500}.field input{padding:12px 14px;border:1px solid var(--border);border-radius:10px;background:var(--bg-soft);color:var(--text);font-size:.95rem;outline:none;transition:border-color .2s,box-shadow .2s}.field input:focus{border-color:var(--accent);box-shadow:0 0 0 3px #7c5cff33}.form-error{color:#ff6b6b;font-size:.85rem;margin-bottom:12px}.submit-btn{width:100%;padding:13px;border:none;border-radius:10px;background:var(--gradient);color:#fff;font-size:1rem;font-weight:600;cursor:pointer;box-shadow:0 8px 24px #a84bff59;transition:transform .2s,box-shadow .2s}.submit-btn:hover{transform:translateY(-1px);box-shadow:0 12px 30px #a84bff73}.submit-btn:disabled{opacity:.65;cursor:default;transform:none;box-shadow:none}.modal-success{text-align:center}.modal-footer{margin-top:20px;text-align:center;font-size:.85rem;color:var(--text-dim)}.modal-footer a{color:var(--accent);text-decoration:none;font-weight:600}.modal-footer a:hover{text-decoration:underline}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes popIn{0%{opacity:0;transform:scale(.95) translateY(10px)}to{opacity:1;transform:scale(1) translateY(0)}}@media (prefers-reduced-motion: reduce){.hero-char{opacity:1;transform:none;animation:none}.hero-accent{animation:none}.hero-subtitle,.cta-btn{opacity:1;transform:none;animation:none}}