:root{--bg-start:#0f0c29;--bg-mid:#302b63;--bg-end:#24243e;--card-bg:rgba(255,255,255,.04);--card-border:rgba(255,255,255,.08);--text-primary:#e2e8f0;--text-secondary:#94a3b8;--accent:#6366f1;--accent-light:#818cf8;--accent-gradient:linear-gradient(135deg,#818cf8,#c084fc,#f472b6);--btn-gradient:linear-gradient(135deg,#6366f1,#8b5cf6);--header-bg:rgba(255,255,255,.03)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Noto Sans SC,PingFang SC,Microsoft YaHei,sans-serif;background:linear-gradient(135deg,var(--bg-start),var(--bg-mid),var(--bg-end));color:var(--text-primary);min-height:100vh;line-height:1.6;-webkit-font-smoothing:antialiased}.app{max-width:720px;margin:0 auto;padding:20px 16px 40px}@keyframes fadeSlideUp{0%{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}.app-header,.poll-card,.app-footer{animation:fadeSlideUp .5s ease both}.poll-card:nth-child(1){animation-delay:.05s}.poll-card:nth-child(2){animation-delay:.1s}.poll-card:nth-child(3){animation-delay:.15s}.poll-card:nth-child(4){animation-delay:.2s}.poll-card:nth-child(5){animation-delay:.25s}.app-header{text-align:center;padding:36px 0 28px;background:var(--header-bg);border-radius:24px;margin-bottom:24px;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--card-border)}.app-header h1{font-size:2rem;font-weight:800;background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;letter-spacing:1px}.app-subtitle{margin-top:6px;font-size:.9rem;color:var(--text-secondary);letter-spacing:3px}.app-footer{text-align:center;color:var(--text-secondary);font-size:.78rem;margin-top:40px;padding:16px 0;border-top:1px solid var(--card-border)}.loading{text-align:center;padding:60px 20px;font-size:1.1rem;color:var(--text-secondary);animation:pulse 1.5s ease-in-out infinite}@keyframes pulse{0%,to{opacity:.4}50%{opacity:1}}.empty-state{text-align:center;padding:80px 20px;color:var(--text-secondary);font-size:1.1rem}.error-banner{background:#ef44441f;border:1px solid rgba(239,68,68,.25);border-radius:18px;padding:14px 18px;margin-bottom:16px;display:flex;justify-content:space-between;align-items:center;gap:12px;animation:fadeSlideUp .4s ease both}.error-banner span{color:#fca5a5;font-size:.9rem}.error-banner button{background:#ef444433;border:none;color:#fca5a5;padding:6px 16px;border-radius:8px;cursor:pointer;font-weight:600;font-size:.8rem;white-space:nowrap}.poll-card{background:var(--card-bg);border:1px solid var(--card-border);border-radius:24px;padding:24px;margin-bottom:20px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);transition:border-color .25s,transform .25s,box-shadow .25s}.poll-card:hover{border-color:var(--accent-light);transform:translateY(-2px);box-shadow:0 12px 40px #6366f126}.poll-status{display:inline-block;padding:4px 14px;border-radius:24px;font-size:.72rem;font-weight:700;letter-spacing:.5px;margin-bottom:12px}.poll-status.upcoming{background:#fbbf2426;color:#fbbf24}.poll-status.ongoing{background:#10b98126;color:#10b981}.poll-status.ended{background:#94a3b81f;color:#94a3b8}.poll-title{font-size:1.25rem;font-weight:700;color:var(--text-primary);margin-bottom:6px;line-height:1.4}.poll-desc{color:var(--text-secondary);font-size:.88rem;margin-bottom:10px}.poll-time{display:flex;gap:16px;font-size:.78rem;color:var(--text-secondary);margin-bottom:6px;flex-wrap:wrap}.poll-type{font-size:.8rem;color:var(--accent-light);margin-bottom:14px}.countdown{background:#6366f11a;border:1px solid rgba(99,102,241,.2);border-radius:16px;padding:10px 16px;font-size:.85rem;color:var(--accent-light);text-align:center;margin-bottom:14px}.countdown span:last-child{font-family:Fira Code,Cascadia Code,Consolas,monospace;font-weight:700;font-size:1.05rem;color:#c7d2fe}.options-list{list-style:none;display:flex;flex-direction:column;gap:8px;margin-bottom:14px}.option-item{display:flex;align-items:center;gap:10px;padding:12px 16px;border:2px solid var(--card-border);border-radius:16px;cursor:pointer;transition:all .25s cubic-bezier(.4,0,.2,1);background:var(--card-bg)}.option-item:hover:not(.disabled){border-color:var(--accent-light);background:#6366f10f}.option-item.selected{border-color:var(--accent-light);background:#6366f11f;box-shadow:0 0 16px #6366f126}.option-item.disabled{opacity:.5;cursor:not-allowed}.option-item input[type=radio],.option-item input[type=checkbox]{accent-color:var(--accent-light);width:18px;height:18px;cursor:pointer;flex-shrink:0}.option-item.disabled input{cursor:not-allowed}.option-text{font-size:.95rem;color:var(--text-primary);-webkit-user-select:none;user-select:none}.multi-hint{font-size:.75rem;color:var(--text-secondary);margin-bottom:8px}.btn{padding:12px 28px;border:none;border-radius:16px;font-weight:700;font-size:.92rem;cursor:pointer;transition:all .25s cubic-bezier(.4,0,.2,1);width:100%}.btn-primary{background:var(--btn-gradient);color:#fff;box-shadow:0 4px 20px #6366f159}.btn-primary:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 6px 28px #6366f173}.btn-primary:active:not(:disabled){transform:translateY(0)}.btn-primary:disabled{opacity:.4;cursor:not-allowed}.error-text{color:#f87171;font-size:.82rem;margin-top:8px;text-align:center}.results-area{margin-top:18px;padding-top:18px;border-top:1px solid rgba(255,255,255,.06)}.results-title{font-size:1rem;font-weight:700;margin-bottom:14px;color:var(--text-primary)}.result-bar-wrap{margin-bottom:10px}.result-label{display:flex;justify-content:space-between;font-size:.82rem;margin-bottom:4px}.option-name{color:var(--text-primary);font-weight:600}.option-count{color:var(--text-secondary)}.result-bar{height:24px;background:#ffffff0a;border-radius:16px;overflow:hidden;position:relative}.result-bar .fill{height:100%;border-radius:16px;transition:width .8s cubic-bezier(.4,0,.2,1);display:flex;align-items:center;justify-content:flex-end;padding-right:8px;min-width:fit-content}.result-bar .pct{font-size:.7rem;font-weight:700;color:#fff;text-shadow:0 1px 3px rgba(0,0,0,.3);white-space:nowrap}.total-votes{text-align:center;font-size:.8rem;color:#64748b;margin-top:10px;padding-top:10px;border-top:1px solid rgba(255,255,255,.05)}.no-data{text-align:center;color:var(--text-secondary);font-size:.85rem;padding:20px 0}.toast{position:fixed;top:24px;left:50%;transform:translate(-50%);padding:12px 28px;border-radius:28px;font-weight:700;font-size:.88rem;z-index:999;cursor:pointer;animation:slideDown .35s ease;box-shadow:0 8px 32px #0006}.toast-success{background:#10b981;color:#fff}.toast-error{background:#ef4444;color:#fff}@keyframes slideDown{0%{opacity:0;transform:translate(-50%) translateY(-16px)}to{opacity:1;transform:translate(-50%) translateY(0)}}.auth-page{display:flex;justify-content:center;align-items:center;min-height:100vh;padding:20px 16px;box-sizing:border-box}.auth-card{background:var(--card-bg);border:1px solid var(--card-border);border-radius:24px;padding:32px 28px;width:100%;max-width:400px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);animation:fadeSlideUp .5s ease both}.auth-title{font-size:1.3rem;font-weight:700;color:var(--text-primary);text-align:center;margin-bottom:4px}.auth-subtitle{font-size:.82rem;color:var(--text-secondary);text-align:center;margin-bottom:20px}.auth-input{width:100%;padding:11px 14px;background:var(--card-bg);border:2px solid var(--card-border);border-radius:14px;color:var(--text-primary);font-size:.9rem;font-family:inherit;outline:none;transition:border-color .25s}.auth-input:focus{border-color:var(--accent-light)}.auth-error{color:#f87171;font-size:.8rem;text-align:center;margin:8px 0}.auth-btn{margin-top:8px}.auth-switch{text-align:center;font-size:.82rem;color:var(--accent-light);margin-top:16px;cursor:pointer;transition:color .2s}.auth-switch:hover{opacity:.8}.user-bar{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:0 8px;margin-bottom:12px;flex-wrap:wrap}.nav-link{color:var(--text-secondary);text-decoration:none;font-size:.82rem;font-weight:600;transition:color .2s}.nav-link:hover{color:var(--text-primary)}.user-name{font-size:.85rem;color:var(--text-primary);font-weight:600}.btn-logout{background:#ef444426;border:none;color:#fca5a5;padding:5px 14px;border-radius:10px;font-size:.78rem;font-weight:600;cursor:pointer;transition:background .2s}.btn-logout:hover{background:#ef444440}.btn-login-nav{background:#6366f126;border:none;color:var(--accent-light);padding:6px 16px;border-radius:10px;font-size:.8rem;font-weight:600;cursor:pointer;transition:background .2s}.btn-login-nav:hover{background:#6366f140}.header-link{text-decoration:none;color:inherit}.header-link h1,.header-link,.header-title{background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.vote-list{display:flex;flex-direction:column;gap:16px}.poll-card-clickable{cursor:pointer}.poll-card-clickable:hover{border-color:#818cf859;transform:translateY(-2px);box-shadow:0 12px 40px #6366f11a}.poll-meta{display:flex;gap:14px;font-size:.78rem;color:var(--text-secondary);margin-top:8px;flex-wrap:wrap}.voted-badge{color:#10b981;font-weight:700}.login-needed-hint{text-align:center;color:#fbbf24;font-size:.82rem;font-weight:600;margin-bottom:10px;padding:8px 14px;background:#fbbf2414;border-radius:12px;border:1px solid rgba(251,191,36,.15)}@media (max-width:480px){.app{padding:12px 10px 30px}.app-header{padding:24px 12px 20px}.app-header h1{font-size:1.5rem}.poll-card{padding:16px}.poll-title{font-size:1.1rem}.option-item{padding:10px 14px}}