:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;--color-accent: #646cff;--color-accent-hover: #535bf2;--color-bg: #242424;--color-bg-card: #1a1a1a;--color-bg-elevated: #2f2f2f;--color-text: rgba(255, 255, 255, .87);--color-text-muted: rgba(255, 255, 255, .45);--color-border: rgba(255, 255, 255, .1);--color-success: #4caf50;--color-warning: #ff9800;--color-error: #f44336;--radius: 8px;--spacing: 1rem}*,*:before,*:after{box-sizing:border-box}body{margin:0;min-height:100vh;background-color:var(--color-bg);color:var(--color-text)}a{font-weight:500;color:var(--color-accent);text-decoration:inherit}a:hover{color:var(--color-accent-hover)}h1{font-size:2em;line-height:1.1;margin:0 0 .5em}h2{font-size:1.4em;margin:0 0 .5em}h3{font-size:1.1em;margin:0 0 .4em}button{border-radius:var(--radius);border:1px solid transparent;padding:.5em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;color:var(--color-text);cursor:pointer;transition:border-color .2s,background-color .2s;display:inline-flex;align-items:center;gap:.4em}button:hover{border-color:var(--color-accent)}button:focus,button:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px}button:disabled{opacity:.5;cursor:not-allowed}button.primary{background-color:var(--color-accent);color:#fff}button.primary:hover{background-color:var(--color-accent-hover)}.card{padding:2em;background-color:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius)}.spinner{width:16px;height:16px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff;--color-bg: #ffffff;--color-bg-card: #f9f9f9;--color-bg-elevated: #efefef;--color-text: #213547;--color-text-muted: rgba(33, 53, 71, .5);--color-border: rgba(0, 0, 0, .1)}button{background-color:#f0f0f0;color:#213547}}.app-layout{display:grid;grid-template-rows:56px 1fr;grid-template-columns:280px 1fr;grid-template-areas:"topbar topbar" "sidebar main";min-height:100vh}.app-topbar{grid-area:topbar;background-color:var(--color-bg-card);border-bottom:1px solid var(--color-border);display:flex;align-items:center;padding:0 1.5rem;gap:1rem}.app-topbar h1{font-size:1rem;font-weight:600;margin:0;flex:1;color:var(--color-text);letter-spacing:.02em}.app-sidebar{grid-area:sidebar;background-color:var(--color-bg-card);border-right:1px solid var(--color-border);overflow-y:auto;padding:1rem}.app-main{grid-area:main;overflow-y:auto;padding:1.5rem;background-color:var(--color-bg)}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;min-height:300px;color:var(--color-text-muted);gap:.75rem;text-align:center}.empty-state svg{opacity:.3}