:root{--color-primary: #4f46e5;--color-primary-hover: #4338ca;--color-primary-active: #3730a3;--color-success: #15803d;--color-success-bg: #f0fdf4;--color-error: #b91c1c;--color-error-bg: #fef2f2;--color-warning: #b45309;--color-warning-bg: #fffbeb;--text-primary: #0f172a;--text-secondary: #475569;--text-muted: #64748b;--bg-page: #f8fafc;--bg-card: #ffffff;--bg-subtle: #f1f5f9;--border: #e2e8f0;--border-strong: #cbd5e1;--space-1: 8px;--space-2: 16px;--space-3: 24px;--space-4: 32px;--space-5: 48px;--radius: 8px;--font-sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--text-display-size: 1.75rem;--text-display-weight: 600;--text-body-size: 1rem;--text-body-weight: 400;--text-label-size: .875rem;--text-label-weight: 500;--line-height: 1.6;--nav-height: 64px;--focus-ring: 2px solid var(--color-primary);--focus-offset: 2px}*{box-sizing:border-box}body{margin:0;font-family:var(--font-sans);font-size:var(--text-body-size);font-weight:var(--text-body-weight);line-height:var(--line-height);color:var(--text-primary);background:var(--bg-page);-webkit-font-smoothing:antialiased}h1,h2,h3{margin:0 0 var(--space-2);font-weight:600;line-height:1.3;color:var(--text-primary)}h1{font-size:var(--text-display-size)}h2{font-size:1.25rem}h3{font-size:1.125rem}p{margin:0 0 var(--space-2);max-width:70ch}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}.container{max-width:1100px;margin:0 auto;padding:var(--space-3)}@media (max-width: 768px){.container{padding:var(--space-2)}}.page-stack{display:flex;flex-direction:column;gap:var(--space-3)}.section-gap{margin-bottom:var(--space-3)}.text-muted{color:var(--text-muted);font-size:var(--text-label-size)}.nav{position:sticky;top:0;z-index:100;display:flex;flex-wrap:wrap;align-items:center;gap:var(--space-2);min-height:var(--nav-height);padding:var(--space-2) var(--space-3);background:var(--bg-card);border-bottom:1px solid var(--border)}.nav-brand{font-size:1.125rem;font-weight:600;color:var(--text-primary);margin-right:var(--space-2)}.nav-links{display:flex;flex-wrap:wrap;gap:var(--space-1);flex:1}.nav-link{display:inline-flex;align-items:center;min-height:44px;padding:0 var(--space-2);font-size:var(--text-label-size);font-weight:var(--text-label-weight);color:var(--text-secondary);text-decoration:none;border-radius:var(--radius);border-bottom:2px solid transparent;transition:color .15s,background .15s,border-color .15s}.nav-link:hover{color:var(--text-primary);background:var(--bg-subtle);text-decoration:none}.nav-link.active{color:var(--color-primary);border-bottom-color:var(--color-primary);font-weight:600}.nav-actions{display:flex;align-items:center}@media (max-width: 768px){.nav{flex-direction:column;align-items:stretch}.nav-links,.nav-actions,.nav-actions .btn{width:100%}}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:var(--space-3)}.card-header{margin-bottom:var(--space-3)}.card-title{margin:0 0 var(--space-1);font-size:1.25rem;font-weight:600}.card-description{margin:0;font-size:var(--text-label-size);color:var(--text-muted);line-height:var(--line-height)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-1);min-height:44px;padding:0 var(--space-2);font-family:inherit;font-size:var(--text-label-size);font-weight:500;line-height:1;border:1px solid transparent;border-radius:var(--radius);cursor:pointer;transition:background .15s,border-color .15s,color .15s;white-space:nowrap}.btn:focus-visible{outline:var(--focus-ring);outline-offset:var(--focus-offset)}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-primary{background:var(--color-primary);color:#fff;border-color:var(--color-primary)}.btn-primary:hover:not(:disabled){background:var(--color-primary-hover);border-color:var(--color-primary-hover)}.btn-primary:active:not(:disabled){background:var(--color-primary-active)}.btn-secondary{background:var(--bg-card);color:var(--text-primary);border-color:var(--border-strong)}.btn-secondary:hover:not(:disabled){background:var(--bg-subtle)}.btn-secondary:active:not(:disabled){background:var(--border)}.btn-danger{background:var(--color-error);color:#fff;border-color:var(--color-error)}.btn-danger:hover:not(:disabled){background:#991b1b;border-color:#991b1b}.btn-sm{min-height:36px;padding:0 12px;font-size:.8125rem}.btn-group{display:flex;flex-wrap:wrap;gap:var(--space-1)}.field{display:flex;flex-direction:column;gap:6px}.field-label{font-size:var(--text-label-size);font-weight:var(--text-label-weight);color:var(--text-secondary)}.field-input,.field-select{width:100%;min-height:44px;padding:0 12px;font-family:inherit;font-size:var(--text-body-size);color:var(--text-primary);background:var(--bg-card);border:1px solid var(--border-strong);border-radius:var(--radius);transition:border-color .15s,box-shadow .15s}.field-input::placeholder{color:var(--text-muted)}.field-input:hover,.field-select:hover{border-color:var(--border-strong)}.field-input:focus,.field-select:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #4f46e526}.field-input.field-error,.field-select.field-error{border-color:var(--color-error)}.field-input.field-error:focus{box-shadow:0 0 0 3px #b91c1c26}.field-error-text{font-size:.8125rem;color:var(--color-error)}.field-color{width:100%;min-height:44px;padding:4px;border:1px solid var(--border-strong);border-radius:var(--radius);cursor:pointer}.field-checkbox-row{display:flex;align-items:center;gap:var(--space-1);min-height:44px;font-size:var(--text-label-size);cursor:pointer}.switch-row{display:flex;align-items:center;justify-content:space-between;gap:var(--space-2);padding:var(--space-2);border:1px solid var(--border);border-radius:var(--radius);cursor:pointer;transition:background .15s}.switch-row:hover{background:var(--bg-subtle)}.switch-label{display:flex;flex-direction:column;gap:4px;flex:1}.switch-label strong{font-size:var(--text-body-size);font-weight:500}.switch-hint{font-size:var(--text-label-size);color:var(--color-warning);font-weight:400}.switch-input{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:48px;height:28px;border-radius:14px;background:var(--border-strong);position:relative;cursor:pointer;flex-shrink:0;border:1px solid var(--border-strong);transition:background .2s,border-color .2s}.switch-input:after{content:"";position:absolute;top:2px;left:2px;width:22px;height:22px;border-radius:50%;background:#fff;border:1px solid var(--border);transition:transform .2s}.switch-input:checked{background:var(--color-primary);border-color:var(--color-primary)}.switch-input:checked:after{transform:translate(20px)}.switch-input:focus-visible{outline:var(--focus-ring);outline-offset:var(--focus-offset)}.switch-input:disabled{opacity:.5;cursor:not-allowed}.trigger-switches{display:flex;flex-direction:column;gap:var(--space-2)}.table-wrap{overflow-x:auto;margin:var(--space-2) 0;border:1px solid var(--border);border-radius:var(--radius)}table{width:100%;border-collapse:collapse;font-size:var(--text-label-size)}th,td{padding:12px var(--space-2);text-align:left;border-bottom:1px solid var(--border)}th{font-weight:600;color:var(--text-secondary);background:var(--bg-subtle);white-space:nowrap}tbody tr:last-child td{border-bottom:none}tbody tr:hover td{background:var(--bg-subtle)}.color-swatch{display:inline-block;width:20px;height:20px;border-radius:4px;border:1px solid var(--border);vertical-align:middle;margin-right:var(--space-1)}.badge{display:inline-flex;align-items:center;padding:4px 10px;font-size:.75rem;font-weight:500;border-radius:999px;border:1px solid var(--border);background:var(--bg-subtle);color:var(--text-secondary)}.badge-primary{background:#eef2ff;border-color:#c7d2fe;color:#4338ca}.badge-warning{background:var(--color-warning-bg);border-color:#fcd34d;color:var(--color-warning)}.badge-success{background:var(--color-success-bg);border-color:#86efac;color:var(--color-success)}.alert{padding:var(--space-2);border-radius:var(--radius);font-size:var(--text-label-size);border:1px solid;margin-bottom:var(--space-2)}.alert-error{background:var(--color-error-bg);border-color:#fecaca;color:var(--color-error)}.alert-success{background:var(--color-success-bg);border-color:#bbf7d0;color:var(--color-success)}.toolbar{display:flex;flex-wrap:wrap;align-items:flex-end;gap:var(--space-2);margin-bottom:var(--space-2)}.toolbar .field{min-width:160px;flex:1}.pagination{display:flex;flex-wrap:wrap;align-items:center;gap:var(--space-2);margin-top:var(--space-2);padding-top:var(--space-2);border-top:1px solid var(--border)}.pagination-info{font-size:var(--text-label-size);color:var(--text-muted);flex:1}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:var(--space-3)}.login-card{width:100%;max-width:400px}.login-form{display:flex;flex-direction:column;gap:var(--space-2);margin-top:var(--space-3)}.spinner-wrap{display:flex;align-items:center;justify-content:center;padding:var(--space-5);gap:var(--space-2);color:var(--text-muted);font-size:var(--text-label-size)}.spinner{width:24px;height:24px;border:2px solid var(--border);border-top-color:var(--color-primary);border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--space-5) var(--space-3);text-align:center;border:1px dashed var(--border-strong);border-radius:var(--radius);background:var(--bg-subtle)}.empty-state-icon{font-size:2rem;margin-bottom:var(--space-2);opacity:.5}.empty-state-title{font-weight:600;margin-bottom:var(--space-1)}.empty-state-text{font-size:var(--text-label-size);color:var(--text-muted);max-width:36ch}.segment-form{display:grid;gap:var(--space-2);max-width:420px;margin-top:var(--space-3);padding-top:var(--space-3);border-top:1px solid var(--border)}.weight-summary{display:flex;flex-wrap:wrap;align-items:center;gap:var(--space-2);margin-bottom:var(--space-2);font-size:var(--text-label-size)}.toast-container{position:fixed;bottom:var(--space-3);right:var(--space-3);z-index:1000;display:flex;flex-direction:column;gap:var(--space-1);max-width:min(360px,calc(100vw - 32px))}.toast{padding:var(--space-2);border-radius:var(--radius);border:1px solid;font-size:var(--text-label-size);animation:toast-in .2s ease-out}.toast-success{background:var(--color-success-bg);border-color:#bbf7d0;color:var(--color-success)}.toast-error{background:var(--color-error-bg);border-color:#fecaca;color:var(--color-error)}@keyframes toast-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@media (max-width: 768px){.toast-container{left:var(--space-2);right:var(--space-2);bottom:var(--space-2)}.table-actions{display:flex;flex-direction:column;gap:var(--space-1)}}