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1)}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{background:var(--bg-primary);height:100%;color:var(--text-primary);-webkit-font-smoothing:antialiased;font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif}body{background:linear-gradient(135deg,#0a0e1a 0%,#0f172a 40%,#1a1040 100%) fixed}.login-page{justify-content:center;align-items:center;min-height:100vh;padding:20px;display:flex}.login-card{background:var(--bg-card);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid var(--border-subtle);border-radius:var(--radius);width:100%;max-width:400px;box-shadow:var(--shadow-lg);padding:48px 36px;animation:.5s fadeInUp}.login-header{text-align:center;margin-bottom:36px}.login-icon{background:linear-gradient(135deg, var(--accent), #a78bfa);color:#fff;border-radius:16px;justify-content:center;align-items:center;width:56px;height:56px;margin:0 auto 16px;display:flex}.login-icon svg{width:28px;height:28px}.login-header 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td.node-actions{justify-content:flex-start;margin-top:8px}.dialog-overlay{align-items:flex-end}.dialog{border-radius:var(--radius) var(--radius) 0 0;width:100%;max-width:100%;max-height:85vh;padding:24px 20px;overflow-y:auto}.dialog-wide{max-width:100%}.dialog h2{margin-bottom:16px;font-size:1.1rem}.dialog-actions{margin-top:20px}.dialog-actions .btn-primary,.dialog-actions .btn-secondary{flex:1;justify-content:center}.config-inputs{flex-direction:column;gap:8px}.config-item{padding:10px}.config-item-header .source-name{font-size:13px}.source-picker{max-height:200px}.loading-state,.empty-state{padding:40px 20px}.login-card{padding:32px 24px}.confirm-text{font-size:.9rem;line-height:1.5}.sc-section{padding:16px}.sc-backend-add{flex-direction:column}.sc-input-sm{width:100%}.sc-toggles-grid{grid-template-columns:repeat(2,1fr);gap:10px}.sc-text-row{flex-direction:column;align-items:stretch;gap:4px}.sc-text-row 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