:root{--font-family: "Inter", system-ui, -apple-system, sans-serif;--bg-primary: #0f172a;--bg-secondary: #1e293b;--bg-tertiary: rgba(30, 41, 59, .6);--glass-bg: rgba(30, 41, 59, .6);--text-primary: #f8fafc;--text-secondary: #94a3b8;--text-muted: #64748b;--accent-primary: #3b82f6;--accent-hover: #2563eb;--accent-gradient: linear-gradient(135deg, #3b82f6, #8b5cf6);--border-color: rgba(255, 255, 255, .1);--sidebar-width: 260px;--header-height: 64px;--json-key: #93c5fd;--json-string: #86efac;--json-number: #fca5a5;--json-boolean: #c4b5fd;--json-null: #9ca3af;--highlight-bg: rgba(234, 179, 8, .3);--highlight-color: #fef08a}:root.light-mode{--bg-primary: #f1f5f9;--bg-secondary: #ffffff;--bg-tertiary: rgba(255, 255, 255, .8);--glass-bg: rgba(255, 255, 255, .6);--text-primary: #0f172a;--text-secondary: #334155;--text-muted: #64748b;--border-color: rgba(0, 0, 0, .1);--json-key: #0369a1;--json-string: #15803d;--json-number: #b91c1c;--json-null: #475569;--highlight-bg: rgba(234, 179, 8, .4);--highlight-color: #854d0e}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font-family);background-color:var(--bg-primary);color:var(--text-primary);line-height:1.5;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{cursor:pointer;border:none;background:none;font-family:var(--font-family)}.glass-panel{background:var(--glass-bg);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--border-color);border-radius:16px}.app-container{display:flex;min-height:100vh;position:relative}.main-content{flex:1;display:flex;flex-direction:column;margin-left:var(--sidebar-width);min-height:100vh;transition:margin-left .3s ease}@media(max-width:768px){.main-content{margin-left:0}}.page-container{padding:2rem;flex:1;max-width:1200px;margin:0 auto;width:100%}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.animate-fade-in{animation:fadeIn .4s ease-out forwards}.btn-primary{background:var(--accent-gradient);color:#fff;padding:.75rem 1.5rem;border-radius:8px;font-weight:500;transition:transform .2s,box-shadow .2s;box-shadow:0 4px 12px #3b82f64d}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 16px #3b82f666}.toast-container{position:fixed;bottom:2rem;right:2rem;z-index:9999;animation:slideIn .3s ease-out forwards}.toast-content{display:flex;align-items:center;justify-content:space-between;padding:1rem 1.5rem;border-radius:8px;background:var(--glass-bg);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--border-color);box-shadow:0 10px 25px #0003;color:var(--text-primary);min-width:250px;gap:1rem}.toast-success .toast-content{border-left:4px solid #10b981}.toast-error .toast-content{border-left:4px solid #ef4444}.toast-info .toast-content{border-left:4px solid var(--accent-primary)}.toast-close{background:transparent;border:none;color:var(--text-secondary);font-size:1.25rem;cursor:pointer;padding:0;line-height:1}.toast-close:hover{color:var(--text-primary)}@keyframes slideIn{0%{transform:translateY(100%) opacity(0)}to{transform:translateY(0) opacity(1)}}