:root{--font-sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;--bg-main:#f8fafc;--bg-card:#ffffff;--bg-card-subtle:#f1f5f9;--text-main:#0f172a;--text-muted:#64748b;--text-subtle:#94a3b8;--primary:#0d9488;--primary-hover:#0f766e;--primary-light:#ccfbf1;--primary-dark:#115e59;--accent:#f59e0b;--accent-light:#fef3c7;--border:#e2e8f0;--border-focus:#0d9488;--danger:#ef4444;--danger-light:#fee2e2;--danger-text:#b91c1c;--success:#10b981;--success-light:#d1fae5;--success-text:#047857;--shadow-sm:0 1px 2px 0 rgba(0,0,0,0.05);--shadow-md:0 4px 6px -1px rgba(0,0,0,0.07),0 2px 4px -2px rgba(0,0,0,0.05);--shadow-lg:0 10px 15px -3px rgba(0,0,0,0.08),0 4px 6px -4px rgba(0,0,0,0.04);--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--radius-full:9999px}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background-color:var(--bg-main);color:var(--text-main);line-height:1.6;-webkit-font-smoothing:antialiased}.container{max-width:1200px;margin:0 auto;padding:0 24px}.site-header{background:var(--bg-card);border-bottom:1px solid var(--border);padding:16px 0;position:sticky;top:0;z-index:50}.header-content{justify-content:space-between}.header-content,.logo-link{display:flex;align-items:center}.logo-link{gap:10px;text-decoration:none;color:var(--text-main);font-weight:700;font-size:1.25rem}.logo-badge{background:var(--primary-light);color:var(--primary-dark);font-size:.75rem;font-weight:600;padding:4px 8px;border-radius:var(--radius-full)}.hero{padding:48px 0 32px;text-align:center}.hero h1{font-size:2.5rem;font-weight:800;color:#0f172a;letter-spacing:-.02em;margin-bottom:12px}.hero-subtitle{font-size:1.15rem;color:var(--text-muted);max-width:680px;margin:0 auto}.planner-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:32px;margin-bottom:64px}@media (max-width:960px){.planner-grid{grid-template-columns:1fr}}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:28px;box-shadow:var(--shadow-sm)}.card-header{margin-bottom:24px;padding-bottom:16px;border-bottom:1px solid var(--border)}.card-title{font-size:1.35rem;font-weight:700;color:var(--text-main);display:flex;align-items:center;gap:8px}.card-desc{font-size:.9rem;color:var(--text-muted);margin-top:4px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.col-span-2{grid-column:span 2}@media (max-width:640px){.form-grid{grid-template-columns:1fr}.col-span-2{grid-column:span 1}}.form-group{display:flex;flex-direction:column;gap:6px}.form-label{font-size:.875rem;font-weight:600;color:#334155}.form-input,.form-select,.form-textarea{width:100%;padding:10px 14px;font-size:.95rem;font-family:inherit;border:1px solid var(--border);border-radius:var(--radius-sm);background-color:#fff;color:var(--text-main);transition:border-color .15s ease,box-shadow .15s ease}.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--border-focus);box-shadow:0 0 0 3px rgba(13,148,136,.15)}.form-hint{font-size:.8rem;color:var(--text-muted)}.field-error{font-size:.8rem;color:var(--danger-text)}.checkbox-grid{display:flex;flex-wrap:wrap;gap:8px;margin-top:4px}.checkbox-pill-label{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;background-color:var(--bg-card-subtle);border:1px solid var(--border);border-radius:var(--radius-full);font-size:.85rem;font-weight:500;cursor:pointer;user-select:none;transition:all .15s ease}.checkbox-pill-label:has(input:checked){background-color:var(--primary-light);border-color:var(--primary);color:var(--primary-dark)}.checkbox-pill-label input{accent-color:var(--primary);cursor:pointer}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:inherit;font-weight:600;font-size:.95rem;padding:12px 20px;border-radius:var(--radius-md);border:none;cursor:pointer;transition:all .15s ease;text-decoration:none}.btn-primary{background-color:var(--primary);color:#ffffff}.btn-primary:hover:not(:disabled){background-color:var(--primary-hover)}.btn-primary:disabled{opacity:.65;cursor:not-allowed}.btn-secondary{background-color:var(--bg-card-subtle);color:var(--text-main);border:1px solid var(--border)}.btn-secondary:hover:not(:disabled){background-color:#e2e8f0}.btn-sm{padding:6px 12px;font-size:.85rem;border-radius:var(--radius-sm)}.btn-block{width:100%}.template-list{display:flex;flex-direction:column;gap:16px}.template-card{border:1px solid var(--border);border-radius:var(--radius-md);padding:18px;background-color:#fff;transition:border-color .15s ease,box-shadow .15s ease}.template-card:hover{border-color:var(--primary);box-shadow:var(--shadow-md)}.template-tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:8px}.tag-badge{font-size:.75rem;font-weight:600;padding:3px 8px;border-radius:var(--radius-sm);background-color:#e0f2fe;color:#0369a1}.tag-days{background-color:var(--accent-light);color:#92400e}.template-title{font-size:1.05rem;font-weight:700;margin-bottom:6px;color:var(--text-main)}.template-summary{font-size:.875rem;color:var(--text-muted);margin-bottom:14px;line-height:1.5}.alert{padding:14px 18px;border-radius:var(--radius-md);margin-bottom:20px;font-size:.9rem;display:flex;align-items:center;justify-content:space-between;gap:12px}.alert-danger{background-color:var(--danger-light);border:1px solid #fecaca;color:var(--danger-text)}.alert-info{background-color:#eff6ff;border:1px solid #dbeafe;color:#1e40af}.alert-success{background-color:var(--success-light);border:1px solid #a7f3d0;color:var(--success-text)}.itinerary-header{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:28px;margin-bottom:28px;box-shadow:var(--shadow-sm)}.itinerary-meta-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin:20px 0;padding:16px;background-color:var(--bg-card-subtle);border-radius:var(--radius-md)}.meta-item-label{font-size:.75rem;font-weight:600;text-transform:uppercase;color:var(--text-muted);letter-spacing:.05em}.meta-item-value{font-size:1.1rem;font-weight:700;color:var(--text-main);margin-top:2px}.ai-notice-badge{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;background-color:var(--accent-light);color:#b45309;border-radius:var(--radius-full);font-size:.8rem;font-weight:600}.days-list{display:flex;flex-direction:column;gap:24px;margin-bottom:40px}.day-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow-sm)}.day-header{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;padding-bottom:16px;margin-bottom:18px;border-bottom:1px solid var(--border)}.day-title{font-size:1.2rem;font-weight:700;color:var(--text-main)}.day-cost-pill{background-color:#f1f5f9;padding:4px 12px;border-radius:var(--radius-full);font-size:.85rem;font-weight:600;color:var(--text-muted)}.activities-timeline{display:flex;flex-direction:column;gap:16px}.activity-item{display:grid;grid-template-columns:80px 1fr;gap:16px;padding:14px;background-color:var(--bg-card-subtle);border-radius:var(--radius-md);border-left:4px solid var(--primary)}@media (max-width:540px){.activity-item{grid-template-columns:1fr}}.activity-duration{font-size:.85rem;font-weight:700;color:var(--primary-dark)}.activity-title{font-size:1rem;font-weight:700;color:var(--text-main);margin-bottom:4px}.activity-meta{display:flex;flex-wrap:wrap;gap:8px;font-size:.8rem;color:var(--text-muted);margin-bottom:6px}.activity-reason{font-size:.85rem;color:#475569}