.app{min-height:100vh;display:flex;flex-direction:column}.navbar{background:var(--surface);border-bottom:1px solid var(--border);padding:1rem 0;position:sticky;top:0;z-index:100;box-shadow:0 1px 3px #0000000d}.nav-content{display:flex;align-items:center;justify-content:space-between}.nav-brand{display:flex;align-items:center;gap:.75rem;font-size:1.25rem;font-weight:700;color:var(--primary);text-decoration:none}.nav-links{display:flex;gap:.5rem}.nav-link{display:flex;align-items:center;gap:.5rem;padding:.5rem 1rem;border-radius:6px;color:var(--text);text-decoration:none;transition:all .2s;font-weight:500}.nav-link:hover{background:var(--bg);color:var(--primary)}.main-content{flex:1;padding:2rem 0}.footer{background:var(--surface);border-top:1px solid var(--border);padding:1.5rem 0;margin-top:3rem;text-align:center;color:var(--text-muted);font-size:.875rem}.alert{padding:1rem;border-radius:6px;margin-bottom:1.5rem}.alert-warning{background:#fef3c7;color:#92400e;border:1px solid #fde68a}.page-header{margin-bottom:2rem}.page-title{font-size:2rem;font-weight:700;color:var(--text);margin-bottom:.5rem}.page-description{color:var(--text-muted);font-size:1.125rem}.loading{text-align:center;padding:3rem;color:var(--text-muted)}.error{background:#fee2e2;color:#991b1b;padding:1rem;border-radius:6px;border:1px solid #fecaca}.nav-container{position:fixed;top:1rem;right:1rem;z-index:1000}.nav-buttons{display:flex;gap:.5rem}.nav-link{display:flex;align-items:center;gap:.25rem;padding:.5rem 1rem;background:#ffffffe6;border-radius:6px;text-decoration:none;color:#333;border:1px solid #ddd;transition:all .2s;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.nav-link:hover{background:#fff;transform:translateY(-1px);box-shadow:0 2px 8px #0000001a}.nav-text{font-size:.875rem;font-weight:500}@media (max-width: 480px){.nav-container{top:.5rem;right:.5rem;left:.5rem;display:flex;justify-content:center}.nav-buttons{gap:.25rem;flex-wrap:wrap;justify-content:center}.nav-link{padding:.4rem .6rem;font-size:.8rem}.nav-text{font-size:.75rem}.nav-link .nav-text{display:none}.nav-link{padding:.5rem;min-width:40px;justify-content:center}}@media (min-width: 481px) and (max-width: 768px){.nav-container{top:1rem;right:1rem}.nav-buttons{gap:.4rem}.nav-link{padding:.5rem .8rem}.nav-text{font-size:.8rem}}@media (min-width: 769px){.nav-container{top:1rem;right:1rem}.nav-buttons{gap:.5rem}.nav-link{padding:.5rem 1rem}.nav-text{font-size:.875rem}}*{margin:0;padding:0;box-sizing:border-box}:root{--primary: #3b82f6;--primary-dark: #2563eb;--secondary: #64748b;--success: #10b981;--warning: #f59e0b;--danger: #ef4444;--bg: #f8fafc;--surface: #ffffff;--border: #e2e8f0;--text: #1e293b;--text-muted: #64748b}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:var(--bg);color:var(--text);line-height:1.6}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}.container{max-width:1200px;margin:0 auto;padding:0 1rem}.card{background:var(--surface);border-radius:8px;border:1px solid var(--border);padding:1.5rem;box-shadow:0 1px 3px #0000001a}.btn{padding:.5rem 1rem;border-radius:6px;border:none;font-weight:500;cursor:pointer;transition:all .2s;display:inline-flex;align-items:center;gap:.5rem}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}.btn-secondary{background:var(--secondary);color:#fff}.btn-danger{background:var(--danger);color:#fff}.badge{display:inline-block;padding:.25rem .75rem;border-radius:999px;font-size:.875rem;font-weight:500}.badge-success{background:#dcfce7;color:#166534}.badge-warning{background:#fef3c7;color:#92400e}.badge-secondary{background:#f1f5f9;color:#475569}input,textarea,select{width:100%;padding:.5rem .75rem;border:1px solid var(--border);border-radius:6px;font-size:1rem;font-family:inherit}input:focus,textarea:focus,select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #3b82f61a}.form-group{margin-bottom:1rem}.form-label{display:block;margin-bottom:.5rem;font-weight:500;color:var(--text)}.grid{display:grid;gap:1.5rem}.grid-2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}