:root{--primary-50: #eff6ff;--primary-100: #dbeafe;--primary-200: #bfdbfe;--primary-300: #93c5fd;--primary-400: #60a5fa;--primary-500: #3b82f6;--primary-600: #2563eb;--primary-700: #1d4ed8;--primary-800: #1e40af;--primary-900: #1e3a8a;--primary-color: var(--primary-600);--primary-hover: var(--primary-700);--primary-active: var(--primary-800);--primary-light: var(--primary-100);--secondary-50: #f8fafc;--secondary-100: #f1f5f9;--secondary-200: #e2e8f0;--secondary-300: #cbd5e1;--secondary-400: #94a3b8;--secondary-500: #64748b;--secondary-600: #475569;--secondary-700: #334155;--secondary-800: #1e293b;--secondary-900: #0f172a;--secondary-color: var(--secondary-500);--success-50: #f0fdf4;--success-100: #dcfce7;--success-500: #22c55e;--success-600: #16a34a;--success-700: #15803d;--success-color: var(--success-600);--success-light: var(--success-50);--danger-50: #fef2f2;--danger-100: #fee2e2;--danger-500: #ef4444;--danger-600: #dc2626;--danger-700: #b91c1c;--danger-color: var(--danger-600);--danger-light: var(--danger-50);--warning-50: #fffbeb;--warning-100: #fef3c7;--warning-500: #f59e0b;--warning-600: #d97706;--warning-700: #b45309;--warning-color: var(--warning-600);--warning-light: var(--warning-50);--background: #f1f5f9;--background-alt: #e2e8f0;--surface: #ffffff;--surface-elevated: #ffffff;--text-primary: #1e293b;--text-secondary: #475569;--text-muted: #64748b;--text-inverse: #ffffff;--border-color: #cbd5e1;--border-color-hover: #94a3b8;--border-color-focus: var(--primary-500);--shadow-xs: 0 1px 2px rgba(0, 0, 0, .05);--shadow-sm: 0 1px 3px rgba(0, 0, 0, .1), 0 1px 2px rgba(0, 0, 0, .06);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1), 0 10px 10px -5px rgba(0, 0, 0, .04);--shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, .06);--shadow-button: 0 1px 2px rgba(0, 0, 0, .1);--shadow-button-hover: 0 4px 6px -1px rgba(0, 0, 0, .15);--shadow-button-active: 0 1px 2px rgba(0, 0, 0, .1), inset 0 1px 2px rgba(0, 0, 0, .1);--radius-sm: 6px;--radius: 8px;--radius-md: 10px;--radius-lg: 12px;--radius-xl: 16px;--radius-full: 9999px;--font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-size-xs: .75rem;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-md: 1.0625rem;--font-size-lg: 1.125rem;--font-size-xl: 1.25rem;--font-size-2xl: 1.5rem;--font-size-3xl: 1.875rem;--font-size-label: .9375rem;--font-size-label-sm: .875rem;--line-height-tight: 1.3;--line-height-normal: 1.6;--line-height-relaxed: 1.75;--line-height-loose: 2;--spacing-px: 1px;--spacing-0: 0;--spacing-1: 2px;--spacing-2: 4px;--spacing-3: 8px;--spacing-4: 12px;--spacing-5: 16px;--spacing-6: 20px;--spacing-8: 24px;--spacing-10: 32px;--spacing-12: 40px;--spacing-xs: var(--spacing-1);--spacing-sm: var(--spacing-2);--spacing-md: var(--spacing-4);--spacing-lg: var(--spacing-6);--spacing-xl: var(--spacing-8);--transition-fast: .15s ease;--transition-normal: .25s ease;--transition-slow: .4s ease;--transition-bounce: .4s cubic-bezier(.68, -.55, .265, 1.55);--transition-smooth: .3s cubic-bezier(.4, 0, .2, 1);--transition-spring: .5s cubic-bezier(.175, .885, .32, 1.275);--animation-fade-in: fadeIn .3s ease-out;--animation-slide-up: slideUp .4s ease-out;--animation-scale-in: scaleIn .3s ease-out;--animation-fade-in-up: fadeInUp .4s ease-out;--z-dropdown: 100;--z-sticky: 200;--z-modal: 300;--z-tooltip: 400;--z-notification: 500;--touch-target-min: 44px;--touch-target-lg: 48px;--divider-color: var(--border-color);--divider-style: solid;--divider-width: 1px}[data-theme=dark]{--background: #0f172a;--background-alt: #1e293b;--surface: #1e293b;--surface-elevated: #334155;--text-primary: #f1f5f9;--text-secondary: #94a3b8;--text-muted: #64748b;--border-color: #334155;--border-color-hover: #475569;--border-color-focus: var(--primary-400);--primary-color: var(--primary-500);--primary-hover: var(--primary-400);--primary-active: var(--primary-300);--primary-light: rgba(59, 130, 246, .15);--success-color: var(--success-500);--success-light: rgba(34, 197, 94, .15);--danger-color: var(--danger-500);--danger-light: rgba(239, 68, 68, .15);--warning-color: var(--warning-500);--warning-light: rgba(245, 158, 11, .15);--shadow-xs: 0 1px 2px rgba(0, 0, 0, .3);--shadow-sm: 0 1px 3px rgba(0, 0, 0, .4), 0 1px 2px rgba(0, 0, 0, .3);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .4), 0 2px 4px -1px rgba(0, 0, 0, .3);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .4), 0 4px 6px -2px rgba(0, 0, 0, .3);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .4), 0 10px 10px -5px rgba(0, 0, 0, .3);--shadow-button: 0 1px 2px rgba(0, 0, 0, .3);--shadow-button-hover: 0 4px 6px -1px rgba(0, 0, 0, .4);--shadow-button-active: 0 1px 2px rgba(0, 0, 0, .3), inset 0 1px 2px rgba(0, 0, 0, .2)}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--background: #0f172a;--background-alt: #1e293b;--surface: #1e293b;--surface-elevated: #334155;--text-primary: #f1f5f9;--text-secondary: #94a3b8;--text-muted: #64748b;--border-color: #334155;--border-color-hover: #475569;--border-color-focus: var(--primary-400);--primary-color: var(--primary-500);--primary-hover: var(--primary-400);--primary-active: var(--primary-300);--primary-light: rgba(59, 130, 246, .15);--success-color: var(--success-500);--success-light: rgba(34, 197, 94, .15);--danger-color: var(--danger-500);--danger-light: rgba(239, 68, 68, .15);--warning-color: var(--warning-500);--warning-light: rgba(245, 158, 11, .15);--shadow-xs: 0 1px 2px rgba(0, 0, 0, .3);--shadow-sm: 0 1px 3px rgba(0, 0, 0, .4), 0 1px 2px rgba(0, 0, 0, .3);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .4), 0 2px 4px -1px rgba(0, 0, 0, .3);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .4), 0 4px 6px -2px rgba(0, 0, 0, .3);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .4), 0 10px 10px -5px rgba(0, 0, 0, .3);--shadow-button: 0 1px 2px rgba(0, 0, 0, .3);--shadow-button-hover: 0 4px 6px -1px rgba(0, 0, 0, .4);--shadow-button-active: 0 1px 2px rgba(0, 0, 0, .3), inset 0 1px 2px rgba(0, 0, 0, .2)}}.button{display:inline-flex;align-items:center;justify-content:center;gap:var(--spacing-2);padding:var(--spacing-2) var(--spacing-4);min-height:32px;border-radius:var(--radius);font-family:var(--font-family);font-size:var(--font-size-sm);font-weight:600;line-height:var(--line-height-normal);cursor:pointer;transition:all var(--transition-smooth);border:1px solid transparent;text-decoration:none;box-shadow:var(--shadow-xs);position:relative;overflow:hidden;letter-spacing:.02em}.button:disabled{opacity:.5;cursor:not-allowed;box-shadow:none;transform:none}.button:before{content:"";position:absolute;inset:0;background:currentColor;opacity:0;transition:opacity var(--transition-fast)}.button:active:not(:disabled):before{opacity:.15}.button:focus-visible{outline:none;box-shadow:0 0 0 4px var(--primary-light),var(--shadow-button-hover)}.button--primary{background:linear-gradient(135deg,var(--primary-color) 0%,var(--primary-700) 100%);color:#fff;border-color:var(--primary-color)}.button--primary:hover:not(:disabled){background:linear-gradient(135deg,var(--primary-hover) 0%,var(--primary-800) 100%);border-color:var(--primary-hover);box-shadow:var(--shadow-button-hover),0 0 20px #2563eb4d;transform:translateY(-2px)}.button--primary:active:not(:disabled){background:linear-gradient(135deg,var(--primary-active) 0%,var(--primary-900) 100%);box-shadow:var(--shadow-button-active);transform:translateY(0)}.button--secondary{background:linear-gradient(135deg,var(--secondary-500) 0%,var(--secondary-600) 100%);color:#fff;border-color:var(--secondary-500)}.button--secondary:hover:not(:disabled){background:linear-gradient(135deg,var(--secondary-600) 0%,var(--secondary-700) 100%);border-color:var(--secondary-600);box-shadow:var(--shadow-button-hover),0 0 20px #4755694d;transform:translateY(-2px)}.button--secondary:active:not(:disabled){background:linear-gradient(135deg,var(--secondary-700) 0%,var(--secondary-800) 100%);box-shadow:var(--shadow-button-active);transform:translateY(0)}.button--outline{background-color:transparent;color:var(--text-primary);border-color:var(--border-color);box-shadow:none}.button--outline:hover:not(:disabled){background-color:var(--background);border-color:var(--primary-color);color:var(--primary-color);box-shadow:var(--shadow-sm),0 0 12px #2563eb26;transform:translateY(-1px)}.button--outline:active:not(:disabled){background-color:var(--background-alt);box-shadow:var(--shadow-inner);transform:translateY(0)}.button--danger{background:linear-gradient(135deg,var(--danger-color) 0%,var(--danger-600) 100%);color:#fff;border-color:var(--danger-color)}.button--danger:hover:not(:disabled){background:linear-gradient(135deg,var(--danger-600) 0%,var(--danger-700) 100%);border-color:var(--danger-600);box-shadow:var(--shadow-button-hover),0 0 20px #dc26264d;transform:translateY(-2px)}.button--danger:active:not(:disabled){background:linear-gradient(135deg,var(--danger-700) 0%,var(--danger-700) 100%);box-shadow:var(--shadow-button-active);transform:translateY(0)}.button--success{background:linear-gradient(135deg,var(--success-color) 0%,var(--success-600) 100%);color:#fff;border-color:var(--success-color)}.button--success:hover:not(:disabled){background:linear-gradient(135deg,var(--success-600) 0%,var(--success-700) 100%);border-color:var(--success-600);box-shadow:var(--shadow-button-hover),0 0 20px #16a34a4d;transform:translateY(-2px)}.button--success:active:not(:disabled){background:linear-gradient(135deg,var(--success-700) 0%,var(--success-700) 100%);box-shadow:var(--shadow-button-active);transform:translateY(0)}.button--sm{padding:var(--spacing-1) var(--spacing-3);min-height:28px;font-size:var(--font-size-xs);border-radius:var(--radius)}.button--lg{padding:var(--spacing-3) var(--spacing-5);min-height:36px;font-size:var(--font-size-base);border-radius:var(--radius);box-shadow:var(--shadow-sm)}.button--lg:hover:not(:disabled){box-shadow:var(--shadow-lg),0 0 24px #2563eb40}.button__icon{width:1.25em;height:1.25em;flex-shrink:0;transition:transform var(--transition-normal)}.button:hover:not(:disabled) .button__icon{transform:scale(1.1)}.button--loading{pointer-events:none;position:relative}.button--loading:after{content:"";position:absolute;width:18px;height:18px;border:2px solid currentColor;border-right-color:transparent;border-radius:50%;animation:button-spin .6s linear infinite}@keyframes button-spin{to{transform:rotate(360deg)}}.card{background-color:var(--surface);border:1px solid var(--border-color);border-radius:var(--radius);padding:var(--spacing-3);box-shadow:var(--shadow-xs);transition:box-shadow var(--transition-normal),border-color var(--transition-normal)}.card:hover{box-shadow:var(--shadow-md)}.card--elevated{box-shadow:var(--shadow-lg)}.card--elevated:hover{box-shadow:var(--shadow-xl)}.card__header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--spacing-2);padding-bottom:var(--spacing-2);border-bottom:1px solid var(--border-color)}.card__title{font-size:var(--font-size-base);font-weight:600;color:var(--text-primary);margin:0}.card__content{color:var(--text-primary)}.panel{background-color:var(--surface);border:1px solid var(--border-color);border-radius:var(--radius);padding:var(--spacing-2)}.panel--highlighted{border-color:var(--primary-color);background-color:var(--primary-light)}.input-group{display:flex;flex-direction:column;gap:var(--spacing-1);position:relative}.input-group__label{font-size:var(--font-size-sm);font-weight:600;color:var(--text-primary);display:flex;align-items:center;gap:var(--spacing-1);line-height:var(--line-height-normal);letter-spacing:.01em;transition:color var(--transition-fast)}.input-group:hover .input-group__label{color:var(--text-primary)}.input-group__label--required:after{content:"*";color:var(--danger-color);margin-left:var(--spacing-1);font-size:1.1em}.input-group__field{width:100%;padding:var(--spacing-2) var(--spacing-3);min-height:32px;border:1px solid var(--border-color);border-radius:var(--radius);font-family:var(--font-family);font-size:var(--font-size-sm);line-height:var(--line-height-normal);color:var(--text-primary);background-color:var(--surface);transition:all var(--transition-normal);box-shadow:none}.input-group__field::placeholder{color:var(--text-muted);opacity:.8}.input-group__field:hover:not(:disabled){border-color:var(--border-color-hover);box-shadow:var(--shadow-sm)}.input-group__field:focus{outline:none;border-color:var(--border-color-focus);box-shadow:0 0 0 4px var(--primary-light),var(--shadow-sm);background-color:var(--surface)}.input-group__field:disabled{background-color:var(--background);cursor:not-allowed;opacity:.6;border-style:dashed}.input-group__field--error{border-color:var(--danger-color);background-color:var(--danger-light)}.input-group__field--error:focus{box-shadow:0 0 0 4px var(--danger-light);border-color:var(--danger-600)}.input-group__wrapper{display:flex;align-items:center;gap:var(--spacing-3);position:relative}.input-group__unit{font-size:var(--font-size-xs);font-weight:600;color:var(--text-secondary);min-width:32px;flex-shrink:0;padding:var(--spacing-1) var(--spacing-2);background-color:var(--background);border-radius:var(--radius-sm);text-align:center}.input-group__hint{font-size:var(--font-size-xs);color:var(--text-muted);line-height:var(--line-height-relaxed);display:flex;align-items:center;gap:var(--spacing-1);padding-left:var(--spacing-1)}.input-group__error{font-size:var(--font-size-xs);color:var(--danger-color);font-weight:600;display:flex;align-items:center;gap:var(--spacing-1);padding-left:var(--spacing-1);animation:shake .4s ease-in-out}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-4px)}75%{transform:translate(4px)}}.tooltip{position:relative;display:inline-flex;align-items:center;cursor:help}.tooltip__trigger{width:18px;height:18px;color:var(--text-muted);transition:all var(--transition-normal);border-radius:50%;padding:2px}.tooltip__trigger:hover{color:var(--primary-color);background-color:var(--primary-light);transform:scale(1.1)}.tooltip__content{position:absolute;bottom:calc(100% + 10px);left:50%;transform:translate(-50%) translateY(4px);padding:var(--spacing-3) var(--spacing-4);background-color:var(--secondary-800);color:#fff;font-size:var(--font-size-sm);font-weight:500;line-height:var(--line-height-relaxed);border-radius:var(--radius);white-space:normal;min-width:200px;max-width:320px;opacity:0;visibility:hidden;transition:all var(--transition-normal);z-index:var(--z-tooltip);box-shadow:var(--shadow-xl);text-align:left;pointer-events:none}.tooltip__content:after{content:"";position:absolute;top:100%;left:50%;transform:translate(-50%);border:8px solid transparent;border-top-color:var(--secondary-800)}.tooltip:hover .tooltip__content{opacity:1;visibility:visible;transform:translate(-50%) translateY(0)}.input-group__tooltip{display:inline-flex;align-items:center;margin-left:var(--spacing-1)}.tooltip--delayed .tooltip__content{transition-delay:.3s}.tooltip--delayed:hover .tooltip__content{transition-delay:0s}.select{width:100%;padding:var(--spacing-3) var(--spacing-4);padding-right:var(--spacing-10);min-height:var(--touch-target-min);border:1px solid var(--border-color);border-radius:var(--radius);font-family:var(--font-family);font-size:var(--font-size-base);line-height:var(--line-height-normal);color:var(--text-primary);background-color:var(--surface);cursor:pointer;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right var(--spacing-3) center;transition:border-color var(--transition-fast),box-shadow var(--transition-fast)}.select:hover:not(:disabled){border-color:var(--border-color-hover)}.select:focus{outline:none;border-color:var(--border-color-focus);box-shadow:0 0 0 3px var(--primary-light)}.select:disabled{background-color:var(--background);cursor:not-allowed;opacity:.7}.radio-group{display:flex;flex-direction:column;gap:var(--spacing-2)}.radio-group__label{font-size:var(--font-size-sm);font-weight:600;color:var(--text-primary);margin-bottom:var(--spacing-1)}.radio-group__options{display:flex;flex-wrap:wrap;gap:var(--spacing-3)}.radio-group__option{display:flex;align-items:center;gap:var(--spacing-1);cursor:pointer;min-height:24px;padding:var(--spacing-1) 0}.radio-group__input{width:14px;height:14px;accent-color:var(--primary-color);cursor:pointer}.radio-group__text{font-size:var(--font-size-sm);color:var(--text-primary);line-height:var(--line-height-normal)}.status-indicator{display:inline-flex;align-items:center;gap:var(--spacing-1);padding:var(--spacing-1) var(--spacing-2);border-radius:var(--radius-full);font-size:var(--font-size-xs);font-weight:600;line-height:var(--line-height-normal)}.status-indicator--success{background-color:var(--success-light);color:var(--success-color)}.status-indicator--danger{background-color:var(--danger-light);color:var(--danger-color)}.status-indicator--warning{background-color:var(--warning-light);color:var(--warning-color)}.status-indicator__icon{width:16px;height:16px;flex-shrink:0}.section-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(40px,1fr));gap:2px}.section-grid__item{display:flex;align-items:center;justify-content:center;min-height:24px;padding:2px 4px;border:1px solid var(--border-color);border-radius:var(--radius-sm);font-size:11px;font-weight:600;cursor:pointer;transition:all var(--transition-fast);background-color:var(--surface)}.section-grid__item:hover:not(.section-grid__item--disabled){border-color:var(--primary-color);background-color:var(--primary-light);transform:translateY(-1px);box-shadow:var(--shadow-sm)}.section-grid__item--selected{border-color:var(--primary-color);background-color:var(--primary-color);color:#fff;box-shadow:var(--shadow-md)}.section-grid__item--selected:hover{background-color:var(--primary-hover)}.section-grid__item--recommended{border-color:var(--success-color);background-color:var(--success-light);color:var(--success-color)}.section-grid__item--recommended:hover{background-color:var(--success-100)}.section-grid__item--disabled{opacity:.4;cursor:not-allowed;background-color:var(--background)}.app-header{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-4) var(--spacing-6);background-color:var(--surface);border-bottom:1px solid var(--border-color);box-shadow:var(--shadow-sm);position:sticky;top:0;z-index:var(--z-sticky)}.app-header__title{display:flex;align-items:center;gap:var(--spacing-3);font-size:var(--font-size-xl);font-weight:700;color:var(--text-primary);margin:0}.app-header__icon{width:28px;height:28px;color:var(--primary-color)}.app-header__actions{display:flex;align-items:center;gap:var(--spacing-2);flex-wrap:wrap}.tabs__list{display:flex;gap:var(--spacing-1);padding:var(--spacing-1);background-color:var(--background);border-radius:var(--radius-lg);margin-bottom:var(--spacing-4)}.tabs__tab{flex:1;display:flex;align-items:center;justify-content:center;gap:var(--spacing-2);padding:var(--spacing-3) var(--spacing-4);min-height:var(--touch-target-min);border:none;border-radius:var(--radius);font-family:var(--font-family);font-size:var(--font-size-base);font-weight:500;color:var(--text-secondary);background-color:transparent;cursor:pointer;transition:all var(--transition-fast)}.tabs__tab--active{color:var(--primary-color);background-color:var(--surface);box-shadow:var(--shadow-sm);font-weight:600}.tabs__content{padding:var(--spacing-2)}.result-panel{padding:var(--spacing-6);background-color:var(--surface);border:1px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);animation:fadeInUp var(--transition-slow) ease-out}@keyframes fadeInUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.result-panel__header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--spacing-4);padding-bottom:var(--spacing-3);border-bottom:1px solid 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