:root{--bg-primary: #0b0f19;--bg-secondary: #111827;--bg-sidebar: #0d1220;--bg-glass: rgba(17, 24, 39, .65);--border-glass: rgba(255, 255, 255, .07);--border-hover: rgba(99, 102, 241, .25);--primary: #6366f1;--primary-hover: #4f46e5;--primary-light: rgba(99, 102, 241, .15);--accent: #06b6d4;--accent-light: rgba(6, 182, 212, .15);--text-primary: #f3f4f6;--text-secondary: #9ca3af;--text-muted: #6b7280;--success: #10b981;--success-bg: rgba(16, 185, 129, .1);--warning: #f59e0b;--warning-bg: rgba(245, 158, 11, .1);--danger: #ef4444;--danger-bg: rgba(239, 68, 68, .1);--info: #3b82f6;--info-bg: rgba(59, 130, 246, .1);--font-sans: "Inter", system-ui, -apple-system, sans-serif;--font-display: "Outfit", sans-serif;--shadow-sm: 0 2px 4px rgba(0, 0, 0, .1);--shadow-md: 0 10px 15px -3px rgba(0, 0, 0, .3), 0 4px 6px -2px rgba(0, 0, 0, .15);--shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, .4), 0 10px 10px -5px rgba(0, 0, 0, .2);--shadow-glass: 0 8px 32px 0 rgba(0, 0, 0, .37);--radius-sm: 6px;--radius-md: 12px;--radius-lg: 20px}*{box-sizing:border-box;margin:0;padding:0;scrollbar-width:thin;scrollbar-color:rgba(255,255,255,.1) transparent}body{font-family:var(--font-sans);background-color:var(--bg-primary);color:var(--text-primary);overflow:hidden;height:100vh;-webkit-font-smoothing:antialiased}.app-container{display:grid;grid-template-columns:260px 1fr;height:100vh;width:100vw}.app-sidebar{background-color:var(--bg-sidebar);border-right:1px solid var(--border-glass);display:flex;flex-direction:column;padding:24px 16px;height:100%}.sidebar-brand{display:flex;align-items:center;gap:12px;margin-bottom:36px;padding:0 8px}.brand-logo{width:36px;height:36px;border-radius:var(--radius-sm);background:linear-gradient(135deg,var(--primary),var(--accent));display:flex;align-items:center;justify-content:center;font-family:var(--font-display);font-weight:800;font-size:18px;color:#fff;box-shadow:0 0 15px #6366f166}.brand-details{display:flex;flex-direction:column}.brand-name{font-family:var(--font-display);font-weight:700;font-size:16px;letter-spacing:.5px;color:var(--text-primary)}.brand-sub{font-size:10px;color:var(--text-muted);font-weight:500}.sidebar-nav{display:flex;flex-direction:column;gap:8px;flex-grow:1}.nav-item{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:var(--radius-md);border:none;background:transparent;color:var(--text-secondary);font-family:var(--font-sans);font-weight:500;font-size:14px;cursor:pointer;text-align:left;transition:all .2s ease}.nav-item:hover{background:#ffffff08;color:var(--text-primary)}.nav-item.active{background:var(--primary-light);color:var(--primary);border-left:3px solid var(--primary)}.nav-icon{flex-shrink:0}.sidebar-footer{display:flex;flex-direction:column;gap:12px;padding-top:16px;border-top:1px solid var(--border-glass)}.status-indicator{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--text-secondary);padding:0 8px}.status-dot{width:8px;height:8px;border-radius:50%;background-color:var(--success);box-shadow:0 0 8px var(--success);animation:pulse 2s infinite}.sync-button{display:flex;align-items:center;justify-content:center;gap:8px;background:var(--bg-glass);border:1px solid var(--border-glass);border-radius:var(--radius-md);color:var(--text-primary);padding:10px;font-size:13px;font-weight:500;cursor:pointer;transition:all .2s}.sync-button:hover:not(:disabled){border-color:var(--primary);background:#ffffff0d}.sync-button:disabled{opacity:.5;cursor:not-allowed}.sync-icon.spinning{animation:spin 1s linear infinite}.app-main{display:flex;flex-direction:column;height:100vh;overflow:hidden;background:radial-gradient(circle at top right,rgba(99,102,241,.08),transparent 45%),var(--bg-primary)}.main-header{height:80px;border-bottom:1px solid var(--border-glass);padding:0 32px;display:flex;align-items:center;justify-content:space-between;flex-shrink:0}.header-title{font-family:var(--font-display);font-weight:700;font-size:22px;color:var(--text-primary)}.header-subtitle{font-size:12px;color:var(--text-muted);margin-top:2px}.header-actions{display:flex;align-items:center;gap:16px}.system-timer{display:flex;align-items:center;gap:8px;background:#f59e0b14;border:1px solid rgba(245,158,11,.2);padding:6px 12px;border-radius:20px;font-size:12px}.timer-label{color:var(--text-secondary)}.timer-value{color:var(--warning);font-weight:600}.content-viewport{flex-grow:1;overflow-y:auto;padding:24px 32px}.glass-card{background:var(--bg-glass);border:1px solid var(--border-glass);border-radius:var(--radius-md);box-shadow:var(--shadow-glass);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);transition:border-color .2s,transform .2s}.glass-card:hover{border-color:var(--border-hover)}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#ffffff1a;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#ffffff40}.toast-container{position:fixed;top:24px;right:24px;z-index:9999;display:flex;flex-direction:column;gap:8px}.toast-card{display:flex;align-items:center;gap:12px;padding:14px 20px;border-radius:var(--radius-md);background:var(--bg-secondary);border-left:4px solid var(--primary);box-shadow:var(--shadow-lg);color:var(--text-primary);font-size:14px;font-weight:500;animation:slideIn .3s ease forwards}.toast-card.success{border-left-color:var(--success)}.toast-card.error{border-left-color:var(--danger);color:#fca5a5}.toast-icon{flex-shrink:0}.toast-card.success .toast-icon{color:var(--success)}.toast-card.error .toast-icon{color:var(--danger)}@keyframes pulse{0%{box-shadow:0 0 #10b981b3}70%{box-shadow:0 0 0 6px #10b98100}to{box-shadow:0 0 #10b98100}}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes slideIn{0%{transform:translate(120%);opacity:0}to{transform:translate(0);opacity:1}}