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linear infinite}.user-avatar:hover{border-color:var(--primary-color, #3b82f6)}.user-info{display:flex;align-items:center;gap:1rem}@media (max-width: 768px){.user-profile{gap:.5rem}.user-avatar{width:28px;height:28px}.user-info{gap:.75rem}}.tooltip{position:absolute;z-index:10001;max-width:200px;padding:0;pointer-events:none;opacity:0;animation:tooltip-fade-in .2s ease-out forwards}.tooltip-content{background:#000000e6;color:#fff;padding:.5rem .75rem;border-radius:.375rem;font-size:.8125rem;line-height:1.4;text-align:center;box-shadow:0 4px 6px -1px #0000001a;backdrop-filter:blur(8px)}.tooltip-arrow{position:absolute;width:0;height:0;border:6px solid transparent}.tooltip--top .tooltip-arrow{bottom:-12px;left:50%;transform:translate(-50%);border-top-color:#000000e6}.tooltip--bottom .tooltip-arrow{top:-12px;left:50%;transform:translate(-50%);border-bottom-color:#000000e6}.tooltip--left .tooltip-arrow{right:-12px;top:50%;transform:translateY(-50%);border-left-color:#000000e6}.tooltip--right .tooltip-arrow{left:-12px;top:50%;transform:translateY(-50%);border-right-color:#000000e6}@keyframes tooltip-fade-in{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}.tooltip-trigger{display:contents}@media (prefers-color-scheme: light){.tooltip-content{background:#fffffff2;color:#1f2937;border:1px solid rgba(0,0,0,.1)}.tooltip--top .tooltip-arrow{border-top-color:#fffffff2}.tooltip--bottom .tooltip-arrow{border-bottom-color:#fffffff2}.tooltip--left .tooltip-arrow{border-left-color:#fffffff2}.tooltip--right .tooltip-arrow{border-right-color:#fffffff2}}.alpha-ribbon{position:fixed;top:0;right:0;z-index:10000;width:100px;height:100px;overflow:hidden;pointer-events:none}.alpha-ribbon-text{position:absolute;top:8px;right:-26px;display:block;width:100px;padding:8px 0;background:linear-gradient(135deg,#dc2626,#ef4444);color:#fff;font-size:.75rem;font-weight:700;text-align:center;text-transform:uppercase;letter-spacing:.05em;line-height:1;transform:rotate(45deg);box-shadow:0 2px 8px #dc26264d;border:1px solid rgba(255,255,255,.2)}@keyframes ribbon-slide-in{0%{transform:translate(100px,-100px) rotate(45deg);opacity:0}to{transform:translate(0) rotate(45deg);opacity:1}}.alpha-ribbon-text{animation:ribbon-slide-in .6s ease-out .5s both}.alpha-ribbon:hover .alpha-ribbon-text{background:linear-gradient(135deg,#b91c1c,#dc2626);transform:rotate(45deg) scale(1.05);transition:all .2s ease}@media (max-width: 768px){.alpha-ribbon{width:80px;height:80px}.alpha-ribbon-text{top:14px;right:-18px;width:72px;padding:6px 0;font-size:.6875rem}}@media (prefers-color-scheme: dark){.alpha-ribbon-text{box-shadow:0 2px 8px #dc262666}}@media (prefers-contrast: high){.alpha-ribbon-text{background:#dc2626;border:2px solid #ffffff;font-weight:900}}@media (prefers-reduced-motion: reduce){.alpha-ribbon-text{animation:none;opacity:1;transform:rotate(45deg)}.alpha-ribbon:hover .alpha-ribbon-text{transition:none;transform:rotate(45deg)}}.settings-container{min-height:100vh;background:linear-gradient(135deg,#667eea,#764ba2);background-attachment:fixed;padding:1rem}.settings-header{background:#ffffff1a;backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,.1);margin:-1rem -1rem 2rem;padding:1rem}.settings-header-content{display:flex;align-items:center;gap:1rem;max-width:800px;margin:0 auto}.settings-back-btn{width:48px;height:48px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--text-light);padding:0}.settings-header h1{font-size:1.5rem;font-weight:700;color:var(--text-light);margin:0}.settings-content{max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:2rem}.settings-section{background:#fffffff2;backdrop-filter:blur(10px);border-radius:var(--border-radius-lg);padding:1.5rem;box-shadow:var(--shadow-lg)}.settings-section-title{display:flex;align-items:center;gap:.75rem;font-size:1.125rem;font-weight:600;color:var(--text-primary);margin-bottom:1.5rem;padding-bottom:.75rem;border-bottom:1px solid var(--border-color)}.settings-item{display:flex;align-items:center;justify-content:space-between;padding:1rem 0;border-bottom:1px solid var(--bg-tertiary)}.settings-item:last-child{border-bottom:none;padding-bottom:0}.settings-item-info{flex:1;min-width:0}.settings-item-title{font-weight:500;color:var(--text-primary);margin-bottom:.25rem}.settings-item-description{font-size:.875rem;color:var(--text-secondary);line-height:1.5}.settings-item-control{margin-left:1rem;flex-shrink:0}@media (max-width: 768px){.settings-container{padding:.5rem}.settings-header{margin:-.5rem -.5rem 1.5rem}.settings-content{gap:1.5rem}.settings-section{padding:1rem}.settings-item{flex-direction:column;align-items:flex-start;gap:.75rem}.settings-item-control{margin-left:0;align-self:flex-end}}.app-loading{position:fixed;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;z-index:9999}.app-loading .loading-spinner{width:40px;height:40px;border:3px solid rgba(255,255,255,.3);border-top:3px solid white;border-radius:50%;animation:spin 1s linear infinite;margin-bottom:1rem}.app-loading p{font-size:1.1rem;font-weight:500;opacity:.9}