:root{--primary: #0ea5e9;--primary-hover: #0284c7;--secondary: #6366f1;--accent: #f59e0b;--background: #0f172a;--surface: #1e293b;--surface-hover: #334155;--text: #f8fafc;--text-muted: #94a3b8;--border: #334155;--success: #10b981;--error: #ef4444;--warning: #f59e0b;--glass: rgba(30, 41, 59, .7);--glass-border: rgba(255, 255, 255, .1);--shadow: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background-color:var(--background);color:var(--text);line-height:1.5;-webkit-font-smoothing:antialiased}button{cursor:pointer;border:none;border-radius:8px;font-weight:600;transition:all .2s}input,select,textarea{background-color:var(--surface);border:1px solid var(--border);color:var(--text);border-radius:8px;padding:8px 12px;outline:none;transition:border-color .2s}input:focus{border-color:var(--primary)}.glass-card{background:var(--glass);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--glass-border);border-radius:16px;box-shadow:var(--shadow)}.btn-primary{background-color:var(--primary);color:#fff;padding:10px 24px}.btn-secondary{background-color:var(--surface);color:var(--text);padding:10px 24px;border:1px solid var(--border)}.btn-primary:hover{background-color:var(--primary-hover);transform:translateY(-1px)}.btn-secondary:hover{background-color:var(--surface-hover);transform:translateY(-1px)}.btn-success{background-color:var(--success);color:#fff;padding:10px 24px}.btn-success:hover{filter:brightness(1.1);transform:translateY(-1px)}.layout{display:flex;min-height:100vh}.sidebar{width:260px;background-color:var(--surface);border-right:1px solid var(--border);padding:24px;display:flex;flex-direction:column}.main-content{flex:1;padding:32px;overflow-y:auto}.sidebar-nav{margin-top:40px;display:flex;flex-direction:column;gap:8px}.nav-item{display:flex;align-items:center;gap:12px;padding:12px 16px;color:var(--text-muted);text-decoration:none;border-radius:8px;transition:all .2s}.nav-item:hover,.nav-item.active{color:var(--text);background-color:var(--surface-hover)}.modal-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background-color:#000000b3;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;justify-content:center;align-items:center;z-index:1000}.modal-content{background-color:var(--surface);border:1px solid var(--glass-border);border-radius:16px;box-shadow:0 20px 25px -5px #0000001a,0 8px 10px -6px #0000001a;padding:24px;width:90%;max-width:500px}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.modal-footer{margin-top:24px;display:flex;justify-content:flex-end;gap:12px}.icon-btn{background:none;border:none;color:var(--text-muted);display:flex;align-items:center;justify-content:center;padding:8px;border-radius:50%}.icon-btn:hover{background-color:var(--surface-hover);color:var(--text)}.flex-between{display:flex;justify-content:space-between;align-items:center}@media(max-width:768px){.sidebar{display:none}}