*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--color-primary: #3b82f6;--color-primary-dark: #2563eb;--color-bg: #f9fafb;--color-surface: #ffffff;--color-text: #111827;--color-text-muted: #6b7280;--color-border: #e5e7eb;--color-error: #ef4444;--color-success: #22c55e;--radius: .5rem;--shadow: 0 1px 3px 0 rgb(0 0 0 / .1), 0 1px 2px -1px rgb(0 0 0 / .1)}body{font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;background-color:var(--color-bg);color:var(--color-text);line-height:1.6}.app{min-height:100vh;display:flex;flex-direction:column}.main-content{flex:1;padding:2rem 1rem;max-width:1200px;margin:0 auto;width:100%}.navbar{background:var(--color-surface);border-bottom:1px solid var(--color-border);padding:0 1rem;display:flex;align-items:center;gap:2rem;height:60px;box-shadow:var(--shadow)}.navbar a{text-decoration:none;color:var(--color-text-muted);font-weight:500;transition:color .15s}.navbar a:hover,.navbar a.active{color:var(--color-primary)}.navbar .brand{font-size:1.125rem;font-weight:700;color:var(--color-text);margin-right:auto}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);padding:1.5rem;box-shadow:var(--shadow)}.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.5rem 1rem;border-radius:var(--radius);font-size:.875rem;font-weight:500;cursor:pointer;border:none;transition:background .15s,opacity .15s}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover{background:var(--color-primary-dark)}.btn-danger{background:var(--color-error);color:#fff}.form-group{display:flex;flex-direction:column;gap:.375rem;margin-bottom:1rem}.form-group label{font-size:.875rem;font-weight:500}.form-group input,.form-group textarea{padding:.5rem .75rem;border:1px solid var(--color-border);border-radius:var(--radius);font-size:.875rem;outline:none;transition:border-color .15s}.form-group input:focus,.form-group textarea:focus{border-color:var(--color-primary)}.badge{display:inline-block;padding:.2rem .6rem;border-radius:9999px;font-size:.75rem;font-weight:600}.badge-success{background:#dcfce7;color:#166534}.badge-error{background:#fee2e2;color:#991b1b}