:root{--color-primary:#2d6a4f;--color-primary-light:#40916c;--color-primary-dark:#1b4332;--color-accent:#d4a373;--color-bg:#fefae0;--color-bg-card:#fff;--color-text:#1b1b1b;--color-text-muted:#6b7280;--color-border:#e5e7eb;--color-danger:#dc2626;--color-success:#16a34a;--radius:12px;--radius-sm:8px;--shadow:0 1px 3px rgba(0,0,0,.1);--shadow-md:0 4px 6px rgba(0,0,0,.1);--max-width:600px;--nav-height:64px;--header-height:56px}*,:after,:before{box-sizing:border-box;margin:0;padding:0}html{background:var(--color-bg);color:var(--color-text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased}body{min-height:100dvh;padding-bottom:calc(var(--nav-height) + 16px)}a{color:var(--color-primary);text-decoration:none}img{display:block;height:auto;max-width:100%}.page-container{margin:0 auto;max-width:var(--max-width);padding:16px}.app-header{background:var(--color-primary);box-shadow:var(--shadow);color:#fff;font-size:1.125rem;font-weight:600;height:var(--header-height);justify-content:center;position:sticky;top:0}.app-header,.bottom-nav{align-items:center;display:flex;z-index:100}.bottom-nav{background:var(--color-bg-card);border-top:1px solid var(--color-border);bottom:0;height:var(--nav-height);justify-content:space-around;left:0;padding-bottom:env(safe-area-inset-bottom);position:fixed;right:0}.nav-item{align-items:center;color:var(--color-text-muted);cursor:pointer;display:flex;flex-direction:column;font-size:.7rem;gap:2px;justify-content:center;min-height:48px;min-width:48px;-webkit-tap-highlight-color:transparent}.nav-item.active{color:var(--color-primary)}.nav-item svg{height:24px;width:24px}.btn{align-items:center;border:none;border-radius:var(--radius-sm);cursor:pointer;display:inline-flex;font-size:1rem;font-weight:500;gap:8px;justify-content:center;min-height:48px;padding:12px 24px;-webkit-tap-highlight-color:transparent;transition:opacity .15s}.btn:active{opacity:.8}.btn:disabled{cursor:not-allowed;opacity:.5}.btn-primary{background:var(--color-primary);color:#fff}.btn-secondary{background:var(--color-border);color:var(--color-text)}.btn-danger{background:var(--color-danger);color:#fff}.btn-outline{background:transparent;border:2px solid var(--color-primary);color:var(--color-primary)}.btn-sm{font-size:.875rem;min-height:40px;padding:8px 16px}.btn-block{width:100%}.btn-icon{border-radius:50%;min-height:48px;min-width:48px;padding:12px}.form-group{margin-bottom:16px}.form-label{color:var(--color-text-muted);display:block;font-size:.875rem;font-weight:500;margin-bottom:4px}.form-input,.form-select,.form-textarea{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-sm);color:var(--color-text);font-size:1rem;min-height:48px;padding:12px;width:100%}.form-textarea{min-height:80px;resize:vertical}.form-input:focus,.form-select:focus,.form-textarea:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px #2d6a4f26;outline:none}.card{background:var(--color-bg-card);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}.tag{background:#2d6a4f1a;border-radius:999px;color:var(--color-primary);display:inline-block;font-size:.75rem;font-weight:500;padding:4px 10px}.tag-group{display:flex;flex-wrap:wrap;gap:6px}.text-muted{color:var(--color-text-muted)}.text-sm{font-size:.875rem}.text-center{text-align:center}.mt-8{margin-top:8px}.mt-16{margin-top:16px}.mt-24{margin-top:24px}.mb-8{margin-bottom:8px}.mb-16{margin-bottom:16px}.flex{display:flex}.flex-wrap{flex-wrap:wrap}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-8{gap:8px}.gap-16{gap:16px}.recipe-grid{display:grid;gap:12px;grid-template-columns:repeat(auto-fill,minmax(160px,1fr))}.spinner{animation:spin .6s linear infinite;border:3px solid var(--color-border);border-radius:50%;border-top-color:var(--color-primary);height:32px;width:32px}@keyframes spin{to{transform:rotate(1turn)}}.toast{background:#1b1b1b;border-radius:var(--radius-sm);bottom:calc(var(--nav-height) + 16px);box-shadow:var(--shadow-md);color:#fff;gap:12px;left:50%;max-width:calc(100vw - 32px);padding:12px 20px;position:fixed;transform:translate(-50%);z-index:200}.toast,.toast-action{align-items:center;display:flex;font-size:.875rem}.toast-action{background:none;border:none;color:var(--color-accent);cursor:pointer;font-weight:600;min-height:48px}.empty-state{color:var(--color-text-muted);padding:48px 16px;text-align:center}.empty-state-icon{font-size:3rem;margin-bottom:12px}.tabs{border-bottom:2px solid var(--color-border);margin-bottom:16px}.tab,.tabs{display:flex}.tab{align-items:center;color:var(--color-text-muted);cursor:pointer;flex:1;font-size:.875rem;font-weight:500;justify-content:center;margin-bottom:-2px;min-height:48px;-webkit-tap-highlight-color:transparent;background:none;border:none;border-bottom:2px solid transparent}.tab.active{border-bottom-color:var(--color-primary);color:var(--color-primary)}.checkbox-item{align-items:center;border-bottom:1px solid var(--color-border);display:flex;gap:12px;min-height:48px;padding:8px 0}.checkbox-item input[type=checkbox]{accent-color:var(--color-primary);height:24px;width:24px}.checkbox-item.checked label{color:var(--color-text-muted);text-decoration:line-through}