*,*:before,*:after{box-sizing:border-box}:root{--color-bg: #f0f4f8;--color-surface: #ffffff;--color-surface-2: #f8fafc;--color-border: #e2e8f0;--color-border-focus:#0284c7;--color-text: #0f172a;--color-text-muted: #64748b;--color-text-subtle: #94a3b8;--color-primary: #0284c7;--color-primary-hover:#0369a1;--color-primary-light:#e0f2fe;--color-accent: #0ea5e9;--color-success: #059669;--color-warning: #d97706;--color-danger: #dc2626;--color-danger-light:#fef2f2;--font-sans: "Inter", system-ui, -apple-system, sans-serif;--font-mono: "JetBrains Mono", "Fira Code", monospace;--radius-sm: .25rem;--radius: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow: 0 1px 3px 0 rgb(0 0 0 / .1), 0 1px 2px -1px rgb(0 0 0 / .1);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1)}html,body{margin:0;padding:0;min-height:100vh;background:var(--color-bg);color:var(--color-text);font-family:var(--font-sans);font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{min-height:100vh;display:flex;flex-direction:column}h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;color:var(--color-text)}p{margin:0}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}button{font-family:inherit;cursor:pointer;transition:background .15s,border-color .15s,color .15s,box-shadow .15s}button:focus-visible{outline:2px solid var(--color-border-focus);outline-offset:2px}input,select,textarea{font-family:inherit;font-size:.9375rem}input:focus,select:focus,textarea:focus{outline:2px solid var(--color-border-focus);outline-offset:0}.app-layout{min-height:100vh;display:flex;flex-direction:column}.app-header{background:var(--color-surface);border-bottom:1px solid var(--color-border);box-shadow:var(--shadow-sm);padding:0 2rem}.app-header-inner{max-width:1280px;margin:0 auto;padding:1.25rem 0;display:flex;align-items:center;gap:.75rem}.app-header-icon{width:1.75rem;height:1.75rem}.app-header h1{font-size:1.5rem;font-weight:800;color:var(--color-primary);letter-spacing:-.02em}.app-header-tagline{color:var(--color-text-muted);font-size:.875rem;margin-left:auto}.app-main{flex:1;max-width:1280px;width:100%;margin:0 auto;padding:2rem;display:grid;grid-template-columns:1fr 340px;gap:1.5rem;align-items:start}@media (max-width: 900px){.app-main{grid-template-columns:1fr;padding:1rem}.app-header{padding:0 1rem}}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-xl);box-shadow:var(--shadow);overflow:hidden}.card-header{padding:1.25rem 1.5rem;border-bottom:1px solid var(--color-border);background:var(--color-surface-2);display:flex;align-items:center;gap:.625rem}.card-header h2{font-size:1rem;font-weight:700;color:var(--color-text)}.card-header-icon{font-size:1.125rem;line-height:1}.card-body{padding:1.5rem}.calculator-section{display:flex;flex-direction:column;gap:1.5rem}.calculator-top-bar{display:flex;align-items:flex-end;justify-content:space-between;gap:1rem;flex-wrap:wrap}.rig-sail-selector{display:flex;gap:1rem;flex-wrap:wrap;flex:1}.rig-sail-selector .field-group{flex:1;min-width:160px;margin-bottom:0}.unit-toggle{display:flex;background:var(--color-surface-2);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:.25rem;gap:.25rem}.unit-toggle button{padding:.375rem .875rem;border:none;border-radius:var(--radius);background:transparent;color:var(--color-text-muted);font-size:.8125rem;font-weight:500;white-space:nowrap}.unit-toggle button.active{background:var(--color-primary);color:#fff;box-shadow:var(--shadow-sm);font-weight:600}.unit-toggle button:not(.active):hover{background:var(--color-border);color:var(--color-text)}.field-group{display:flex;flex-direction:column;gap:.375rem;margin-bottom:1rem}.field-group:last-of-type{margin-bottom:0}.field-group label{font-size:.8125rem;font-weight:600;color:var(--color-text);letter-spacing:.01em}.field-group input,.field-group select{padding:.5625rem .875rem;border:1.5px solid var(--color-border);border-radius:var(--radius);font-size:.9375rem;background:var(--color-surface);color:var(--color-text);transition:border-color .15s;width:100%}.field-group input:hover,.field-group select:hover{border-color:#94a3b8}.field-group input:focus,.field-group select:focus{border-color:var(--color-border-focus);outline:none;box-shadow:0 0 0 3px #0284c71f}.field-group input::placeholder{color:var(--color-text-subtle)}.field-error{color:var(--color-danger);font-size:.8rem;display:flex;align-items:center;gap:.25rem}.required{color:var(--color-danger)}.missing-dim{color:var(--color-warning);font-size:.75rem;font-weight:500}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.375rem;padding:.5625rem 1.25rem;border-radius:var(--radius);font-size:.9375rem;font-weight:600;border:1.5px solid transparent;cursor:pointer;transition:all .15s;white-space:nowrap}.btn-primary{background:var(--color-primary);color:#fff;border-color:var(--color-primary);box-shadow:var(--shadow-sm)}.btn-primary:hover{background:var(--color-primary-hover);border-color:var(--color-primary-hover);box-shadow:var(--shadow)}.btn-secondary{background:var(--color-surface);color:var(--color-text);border-color:var(--color-border)}.btn-secondary:hover{background:var(--color-surface-2);border-color:#94a3b8}.btn-ghost{background:transparent;color:var(--color-text-muted);border-color:transparent;padding:.375rem .625rem;font-size:.875rem}.btn-ghost:hover{background:var(--color-surface-2);color:var(--color-text)}.btn-danger-ghost{background:transparent;color:var(--color-text-subtle);border-color:transparent;padding:.25rem .5rem;font-size:.8125rem;border-radius:var(--radius-sm)}.btn-danger-ghost:hover{background:var(--color-danger-light);color:var(--color-danger)}.btn-sm{padding:.375rem .875rem;font-size:.8125rem}.btn:disabled{opacity:.55;cursor:not-allowed}button[type=submit]{display:inline-flex;align-items:center;justify-content:center;padding:.5625rem 1.5rem;background:var(--color-primary);color:#fff;border:1.5px solid var(--color-primary);border-radius:var(--radius);font-size:.9375rem;font-weight:600;box-shadow:var(--shadow-sm)}button[type=submit]:hover:not(:disabled){background:var(--color-primary-hover);border-color:var(--color-primary-hover)}button[type=submit]:disabled{opacity:.55;cursor:not-allowed}.measurement-form{display:flex;flex-direction:column}.perpendicular-info{background:#fffbeb;border:1.5px solid #fde68a;border-radius:var(--radius);padding:.875rem 1rem;margin-bottom:1.25rem;font-size:.875rem;color:#78350f;line-height:1.5}.perpendicular-info strong{display:block;margin-bottom:.25rem;color:#92400e}.perpendicular-info p{margin:0}.measurement-form button[type=submit]{margin-top:.5rem;align-self:flex-start}.results-panel h2{font-size:1rem;font-weight:700}.results-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}@media (max-width: 600px){.results-grid{grid-template-columns:1fr}}.result-card{background:var(--color-surface-2);border:1.5px solid var(--color-border);border-radius:var(--radius-lg);padding:1rem 1.25rem;display:flex;flex-direction:column;gap:.25rem}.result-card-label{font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--color-text-muted)}.result-card-primary{font-size:1.375rem;font-weight:700;color:var(--color-primary);letter-spacing:-.02em;line-height:1.2}.result-card-secondary{font-size:.8125rem;color:var(--color-text-muted)}.results-estimate-note{margin-top:.75rem;font-size:.8125rem;color:var(--color-warning);background:#fffbeb;border:1.5px solid #fde68a;border-radius:var(--radius);padding:.5rem .75rem}.sail-diagram h2{font-size:1rem;font-weight:700}.sail-diagram-container{display:flex;justify-content:center;background:var(--color-surface-2);border-radius:var(--radius-lg);padding:1rem}.sail-diagram svg{display:block;max-width:100%;height:auto}.boat-profile-manager h2{font-size:1rem;font-weight:700}.profile-list{list-style:none;padding:0;margin:0 0 1rem;display:flex;flex-direction:column;gap:.375rem}.profile-list-item{display:flex;align-items:center;gap:.5rem;padding:.5rem .625rem;border-radius:var(--radius);border:1.5px solid transparent;transition:background .12s,border-color .12s}.profile-list-item:hover{background:var(--color-surface-2);border-color:var(--color-border)}.profile-list-item.selected{background:var(--color-primary-light);border-color:#bae6fd}.profile-select{background:none;border:none;text-align:left;cursor:pointer;flex:1;padding:0;font-size:.9rem;font-weight:500;color:var(--color-text)}.profile-list-item.selected .profile-select{color:var(--color-primary);font-weight:600}.profile-delete{background:none;border:none;color:var(--color-text-subtle);cursor:pointer;font-size:.75rem;padding:.25rem .375rem;border-radius:var(--radius-sm);line-height:1;transition:background .12s,color .12s}.profile-delete:hover{background:var(--color-danger-light);color:var(--color-danger)}.profile-actions{display:flex;gap:.5rem;margin-bottom:1rem;flex-wrap:wrap}.profile-actions button{flex:1;padding:.5rem .75rem;background:var(--color-surface);border:1.5px solid var(--color-border);border-radius:var(--radius);font-size:.8125rem;font-weight:600;color:var(--color-text);cursor:pointer;transition:all .15s}.profile-actions button:hover{background:var(--color-primary-light);border-color:#7dd3fc;color:var(--color-primary)}.no-profiles{color:var(--color-text-subtle);font-size:.875rem;text-align:center;padding:1.5rem 0}.form-error{color:var(--color-danger);font-size:.875rem;margin:.5rem 0;padding:.5rem .75rem;background:var(--color-danger-light);border-radius:var(--radius-sm)}.form-actions{display:flex;gap:.5rem;margin-top:1rem}.profile-form{margin-top:1rem;padding-top:1rem;border-top:1px solid var(--color-border)}.profile-form h3{font-size:.9375rem;font-weight:700;margin-bottom:1rem;color:var(--color-text)}.certificate-upload{margin-bottom:1rem}.cert-upload-label{display:flex;align-items:center;gap:.5rem;padding:.5rem .75rem;border:1px dashed var(--color-border);border-radius:var(--radius-md);cursor:pointer;font-size:.875rem;color:var(--color-text-muted);transition:border-color .15s,color .15s}.cert-upload-label:hover:not([aria-busy=true]){border-color:var(--color-primary);color:var(--color-primary)}.cert-upload-label[aria-busy=true]{opacity:.6;cursor:wait}.cert-upload-input{display:none}.dim-fields-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 1rem}.import-export{display:flex;flex-direction:column;gap:.5rem;margin-top:1rem;padding-top:1rem;border-top:1px solid var(--color-border)}.import-export-label{font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--color-text-muted);margin-bottom:.25rem}.import-export-buttons{display:flex;gap:.5rem}.import-export-buttons button{flex:1;padding:.4375rem .75rem;background:var(--color-surface);border:1.5px solid var(--color-border);border-radius:var(--radius);font-size:.8125rem;font-weight:500;color:var(--color-text-muted);cursor:pointer;transition:all .15s}.import-export-buttons button:hover{background:var(--color-surface-2);border-color:#94a3b8;color:var(--color-text)}.import-errors{color:var(--color-danger);font-size:.8rem;padding-left:0;list-style:none;margin:0}.import-errors li:before{content:"⚠ "}.offline-banner{display:flex;align-items:center;gap:.5rem;background:#fffbeb;border:1.5px solid #fde68a;border-radius:var(--radius);padding:.625rem .875rem;font-size:.8125rem;font-weight:500;color:#92400e;margin-bottom:1rem}.boat-library-search h3{font-size:.9375rem;font-weight:700;margin-bottom:.875rem;color:var(--color-text)}.boat-library-search form{display:flex;gap:.5rem;margin-bottom:.875rem}.boat-library-search form input{flex:1;padding:.5rem .75rem;border:1.5px solid var(--color-border);border-radius:var(--radius);font-size:.875rem;background:var(--color-surface)}.boat-library-results{list-style:none;padding:0;margin:0;max-height:220px;overflow-y:auto;display:flex;flex-direction:column;gap:.25rem}.boat-library-results li{display:flex;justify-content:space-between;align-items:center;padding:.5rem .625rem;border-radius:var(--radius);border:1.5px solid var(--color-border);font-size:.875rem;background:var(--color-surface-2);transition:border-color .12s}.boat-library-results li:hover{border-color:#7dd3fc;background:var(--color-primary-light)}.app-footer{background:var(--color-surface);border-top:1px solid var(--color-border);padding:1.25rem 2rem;text-align:center;color:var(--color-text-subtle);font-size:.8125rem}.app-footer a{color:var(--color-primary);font-weight:500}.app-footer a:hover{text-decoration:underline}.empty-state{text-align:center;padding:3rem 1.5rem;color:var(--color-text-muted)}.empty-state-icon{font-size:2.5rem;margin-bottom:.75rem;opacity:.5}.empty-state p{font-size:.9375rem}.step-badge{display:inline-flex;align-items:center;justify-content:center;width:1.5rem;height:1.5rem;border-radius:50%;background:var(--color-primary);color:#fff;font-size:.75rem;font-weight:700;flex-shrink:0}