.app-header{display:flex;justify-content:space-between;align-items:center;padding:12px 20px;background-color:var(--bg-secondary);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100}.header-logo{height:32px;display:flex;align-items:center;background:none;border:none;padding:0;cursor:pointer;transition:opacity .2s}.header-logo:hover{opacity:.8}.header-logo img{height:100%;width:auto}.header-avatar{width:40px;height:40px;border-radius:50%;overflow:hidden;border:2px solid var(--accent);background:none;padding:0;cursor:pointer;transition:all .2s}.header-avatar:hover{border-color:var(--accent-hover);transform:scale(1.05)}.header-avatar img{width:100%;height:100%;object-fit:cover}.avatar-placeholder{width:100%;height:100%;background:linear-gradient(135deg,var(--accent),var(--accent-hover));display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:600;color:var(--text-primary)}.login-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px 16px;background:var(--bg-primary)}.login-card{width:100%;max-width:380px;display:flex;flex-direction:column;gap:14px;padding:28px 22px;border:1px solid var(--border);border-radius:18px;background:var(--bg-secondary)}.login-brand{font-size:22px;font-weight:700;letter-spacing:-.2px}.login-sub{font-size:14px;color:var(--text-secondary);margin-top:-10px}.login-field{display:flex;flex-direction:column;gap:6px}.login-field span{font-size:13px;color:var(--text-secondary)}.login-input{width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:12px;background:var(--bg-tertiary);color:var(--text-primary);font-size:16px;outline:none}.login-input:focus{border-color:var(--accent)}.login-btn{padding:13px 16px;border:none;border-radius:12px;background:var(--accent);color:#0a0a0a;font-size:15px;font-weight:700;cursor:pointer}.login-btn:disabled{opacity:.6;cursor:default}.login-error{font-size:13px;color:var(--error)}.login-note{font-size:12px;line-height:1.5;color:var(--text-secondary);padding-top:6px;border-top:1px solid var(--border)}.tabs{display:flex;background-color:var(--bg-secondary);border-top:1px solid var(--border);position:fixed;bottom:0;left:0;right:0;z-index:100;overflow-x:auto;-webkit-overflow-scrolling:touch}.tab{flex:1;padding:12px 8px;background:none;color:var(--text-secondary);font-size:14px;font-weight:500;transition:all .2s;border-bottom:2px solid transparent;min-width:80px;white-space:nowrap;display:flex;flex-direction:column;align-items:center;gap:4px}.tab-icon{font-size:20px}.tab-label{font-size:12px}.tab:hover{color:var(--text-primary);background-color:var(--bg-tertiary)}.tab.active{color:var(--accent);border-bottom-color:var(--accent);font-weight:600}.app{min-height:100vh;display:flex;flex-direction:column;background-color:var(--bg-primary);color:var(--text-primary);padding-bottom:60px}.app-content{flex:1;overflow-y:auto}*{margin:0;padding:0;box-sizing:border-box}:root{--bg-primary: #0a0a0a;--bg-secondary: #1a1a1a;--bg-tertiary: #2a2a2a;--text-primary: #ffffff;--text-secondary: #b0b0b0;--accent: #4a9eff;--accent-hover: #5aaeff;--border: #333333;--success: #4ade80;--warning: #fbbf24;--error: #ef4444}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:var(--bg-primary);color:var(--text-primary);min-height:100vh}#root{min-height:100vh;width:100%}button{font-family:inherit;cursor:pointer;border:none;outline:none}input,select{font-family:inherit;outline:none}