.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg-base);position:relative;overflow:hidden}.login-page:before{content:"";position:absolute;width:600px;height:600px;border-radius:50%;background:radial-gradient(circle,rgba(26,60,200,.1) 0%,transparent 70%);top:-200px;right:-200px;pointer-events:none}.login-page:after{content:"";position:absolute;width:400px;height:400px;border-radius:50%;background:radial-gradient(circle,rgba(26,60,200,.06) 0%,transparent 70%);bottom:-100px;left:-100px;pointer-events:none}.theme-toggle-corner{position:fixed;top:20px;right:20px;z-index:10;background:var(--bg-surface);border:1px solid var(--border);color:var(--text-secondary);border-radius:8px;padding:8px}.login-card{width:380px;background:var(--bg-surface);border:1px solid var(--border);border-radius:16px;padding:40px 36px;box-shadow:var(--shadow-lg);position:relative;z-index:1;animation:fadeUp .3s ease}@keyframes 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.sidebar{width:220px}.sidebar-top{flex-shrink:0;height:52px;display:flex;align-items:center;justify-content:center;padding:0;border-bottom:1px solid var(--border);gap:6px}.layout.sidebar-open .sidebar-top{justify-content:flex-start;padding:0 13px}.sidebar-logos{display:flex;align-items:center;justify-content:center;width:34px;height:34px;flex-shrink:0}.logo-small{display:flex;pointer-events:none}.logo-wide{display:none;opacity:0;pointer-events:none;white-space:nowrap}.layout.sidebar-open .sidebar-logos{width:auto;flex:1;justify-content:flex-start}.layout.sidebar-open .logo-small{display:none}.layout.sidebar-open .logo-wide{display:flex;opacity:1}.pin-btn{flex-shrink:0;width:24px;height:24px;display:none;align-items:center;justify-content:center;border:none;border-radius:5px;background:none;color:var(--text-secondary);cursor:pointer;opacity:0;transform:scale(.8);transition:opacity .18s ease .08s,transform .18s ease .08s,background .14s,color 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