*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--primary: #2563eb;--primary-dark: #1e3a5f;--primary-light: #dbeafe;--danger: #dc2626;--danger-light: #fee2e2;--success: #16a34a;--success-light: #dcfce7;--text: #111827;--text-muted: #6b7280;--border: #e5e7eb;--bg: #f9fafb;--white: #ffffff;--radius: 12px;--shadow: 0 1px 3px rgba(0,0,0,.1), 0 1px 2px rgba(0,0,0,.06);--shadow-lg: 0 10px 25px rgba(0,0,0,.1)}html,body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,system-ui,sans-serif;background:var(--bg);color:var(--text);font-size:16px;line-height:1.5;min-height:100vh}#root{min-height:100vh;display:flex;flex-direction:column}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}button{cursor:pointer;border:none;font-family:inherit;font-size:1rem;border-radius:var(--radius);padding:.75rem 1.5rem;font-weight:600;transition:all .15s ease}.btn-primary{background:var(--primary);color:var(--white)}.btn-primary:hover{background:#1d4ed8}.btn-primary:disabled{background:#93c5fd;cursor:not-allowed}.btn-ghost{background:transparent;color:var(--text-muted);border:1px solid var(--border)}.btn-ghost:hover{background:var(--bg)}.btn-danger{background:var(--danger);color:var(--white)}.btn-danger:hover{background:#b91c1c}.btn-success{background:var(--success);color:var(--white)}.btn-success:hover{background:#15803d}input,textarea,select{width:100%;padding:.75rem 1rem;border:1px solid var(--border);border-radius:8px;font-family:inherit;font-size:1rem;background:var(--white);color:var(--text);outline:none;transition:border-color .15s}input:focus,textarea:focus{border-color:var(--primary)}label{display:block;font-size:.875rem;font-weight:500;color:var(--text-muted);margin-bottom:.375rem}.card{background:var(--white);border-radius:var(--radius);box-shadow:var(--shadow);padding:1.5rem}.page{flex:1;padding:1.5rem;max-width:680px;margin:0 auto;width:100%}.nav{background:var(--primary-dark);color:var(--white);padding:1rem 1.5rem;display:flex;align-items:center;justify-content:space-between;box-shadow:var(--shadow)}.nav-brand{font-size:1.125rem;font-weight:700;color:var(--white)}.nav-actions{display:flex;gap:.75rem;align-items:center}.nav-btn{background:#ffffff26;color:#fff;padding:.4rem 1rem;border-radius:8px;font-size:.875rem;font-weight:500;border:1px solid rgba(255,255,255,.2)}.nav-btn:hover{background:#ffffff40}.error-box{background:var(--danger-light);color:var(--danger);border-radius:8px;padding:.75rem 1rem;font-size:.875rem;margin-bottom:1rem}.success-box{background:var(--success-light);color:var(--success);border-radius:8px;padding:.75rem 1rem;font-size:.875rem;margin-bottom:1rem}.spinner{width:24px;height:24px;border:3px 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)}}.form-group{margin-bottom:1.25rem}.text-muted{color:var(--text-muted)}.text-sm{font-size:.875rem}.mt-1{margin-top:.25rem}.mt-2{margin-top:.5rem}.mt-3{margin-top:.75rem}.mt-4{margin-top:1rem}.flex{display:flex}.gap-2{gap:.5rem}.gap-3{gap:.75rem}.items-center{align-items:center}.justify-between{justify-content:space-between}.w-full{width:100%}