/*! tailwindcss v4.3.3 | MIT License | https://tailwindcss.com */@layer theme{:root,:host{--font-sans:ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:"JetBrains Mono", "Consolas", monospace;--color-slate-500:oklch(55.4% .046 257.417);--text-sm:.875rem;--text-sm--line-height:calc(1.25 / .875);--radius-sm:8px;--radius-md:12px;--radius-lg:20px;--shadow-sm:0 1px 2px #0f172a0f;--shadow-md:0 4px 12px #0f172a14;--shadow-lg:0 16px 40px #0f172a24;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono);--color-primary:#4f46e5;--color-primary-hover:#4338ca;--color-primary-light:#eef2ff;--color-on-primary:#fff;--color-success:#15803d;--color-success-light:#dcfce7;--color-warning:#b45309;--color-warning-light:#fef3c7;--color-error:#b91c1c;--color-error-light:#fee2e2;--color-info:#0369a1;--color-info-light:#e0f2fe;--color-bg:#f1f5f9;--color-surface:#fff;--color-surface-alt:#f8fafc;--color-border:#e2e8f0;--color-text:#0f172a;--color-text-secondary:#475569;--color-text-muted:#64748b;--color-key-number-bg:#fff;--color-key-number-text:#0f172a;--color-key-number-hover:#f1f5f9;--color-key-operator-bg:#eef2ff;--color-key-operator-text:#4338ca;--color-key-operator-hover:#e0e7ff;--color-key-func-bg:#e2e8f0;--color-key-func-text:#1e293b;--color-key-func-hover:#cbd5e1;--color-key-equal-bg:#4f46e5;--color-key-equal-text:#fff;--color-key-danger-bg:#fee2e2;--color-key-danger-text:#b91c1c;--color-navbar-bg:#fff;--color-navbar-text:#0f172a;--color-navbar-active:#4f46e5;--color-sidebar-active-bg:#eef2ff;--color-sidebar-active-text:#4338ca;--font-heading:"Inter", "PingFang SC", "Microsoft YaHei", sans-serif;--font-body:"Inter", "PingFang SC", "Microsoft YaHei", sans-serif}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;-moz-tab-size:4;tab-size:4;line-height:1.5;font-family:var(--default-font-family,-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring:where(:not(iframe)){outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab,red,red)){::placeholder{color:color-mix(in oklab,currentcolor 50%,transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){-webkit-appearance:button;-moz-appearance:button;appearance:button}::file-selector-button{-webkit-appearance:button;-moz-appearance:button;appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}body{background:var(--color-bg);color:var(--color-text);font-family:var(--font-body);margin:0;font-size:14px;line-height:1.5}h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);color:var(--color-text);margin:0;font-weight:600}*{box-sizing:border-box}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--color-text-muted)}::-webkit-scrollbar-track{background:0 0}}@layer components{.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-md)}.btn{font-family:var(--font-body);border-radius:var(--radius-sm);cursor:pointer;transition:background var(--transition-fast),box-shadow var(--transition-fast),transform var(--transition-fast);border:1px solid #0000;justify-content:center;align-items:center;font-weight:500;display:inline-flex}.btn:active{transform:scale(.97)}.btn-primary{background:var(--color-primary);color:var(--color-on-primary)}.btn-primary:hover{background:var(--color-primary-hover)}.btn-secondary{background:var(--color-surface);color:var(--color-text);border-color:var(--color-border)}.btn-secondary:hover{background:var(--color-surface-alt)}.btn-danger{background:var(--color-error-light);color:var(--color-error)}.btn-ghost{color:var(--color-text-secondary);background:0 0}.btn-ghost:hover{background:var(--color-primary-light);color:var(--color-primary)}.calc-key{font-family:var(--font-mono);border-radius:var(--radius-md);cursor:pointer;background:var(--color-key-number-bg);color:var(--color-key-number-text);box-shadow:var(--shadow-sm);transition:background var(--transition-fast),transform var(--transition-fast);-webkit-user-select:none;user-select:none;border:none;font-size:20px;font-weight:500}.calc-key:hover{background:var(--color-key-number-hover)}.calc-key:active{transform:scale(.95)}.calc-key-operator{background:var(--color-key-operator-bg);color:var(--color-key-operator-text)}.calc-key-operator:hover{background:var(--color-key-operator-hover)}.calc-key-func{background:var(--color-key-func-bg);color:var(--color-key-func-text);font-size:16px}.calc-key-func:hover{background:var(--color-key-func-hover)}.calc-key-equal{background:var(--color-key-equal-bg);color:var(--color-key-equal-text)}.calc-key-equal:hover{background:var(--color-primary-hover)}.calc-key-danger{background:var(--color-key-danger-bg);color:var(--color-key-danger-text)}.calc-key-active{background:var(--color-primary);color:var(--color-on-primary)}.calc-expression{font-family:var(--font-mono);color:var(--color-text-secondary)}.calc-result{font-family:var(--font-mono);color:var(--color-text);font-weight:600}.calc-result-error{color:var(--color-error)}.segmented{background:var(--color-key-func-bg);border-radius:var(--radius-md);display:inline-flex}.segmented-item{color:var(--color-text-secondary);font-family:var(--font-body);border-radius:var(--radius-sm);cursor:pointer;transition:background var(--transition-fast),color var(--transition-fast);background:0 0;border:none;font-weight:500}.segmented-item.active{background:var(--color-surface);color:var(--color-primary);box-shadow:var(--shadow-sm)}.input{background:var(--color-surface);color:var(--color-text);border:1px solid var(--color-border);border-radius:var(--radius-sm);font-family:var(--font-body);transition:border-color var(--transition-fast),box-shadow var(--transition-fast)}.input:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px var(--color-primary-light);outline:none}.select{-webkit-appearance:none;-moz-appearance:none;appearance:none;background-color:var(--color-surface);color:var(--color-text);border:1px solid var(--color-border);border-radius:var(--radius-sm);font-family:var(--font-body);cursor:pointer;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%23475569' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");background-position:right 12px center;background-repeat:no-repeat}.select:focus{border-color:var(--color-primary);outline:none}.badge{background:var(--color-primary-light);color:var(--color-primary);border-radius:999px;align-items:center;font-size:12px;font-weight:500;display:inline-flex}.badge-success{background:var(--color-success-light);color:var(--color-success)}.badge-warning{background:var(--color-warning-light);color:var(--color-warning)}.badge-error{background:var(--color-error-light);color:var(--color-error)}.badge-info{background:var(--color-info-light);color:var(--color-info)}.table{border-collapse:collapse;background:var(--color-surface);width:100%;color:var(--color-text)}.table th{background:var(--color-surface-alt);color:var(--color-text-secondary);text-align:left;border-bottom:1px solid var(--color-border);font-weight:600}.table td{border-bottom:1px solid var(--color-border)}.list-item{background:var(--color-surface);border-bottom:1px solid var(--color-border);cursor:pointer;transition:background var(--transition-fast)}.list-item:hover{background:var(--color-primary-light)}.toast{background:var(--color-text);color:var(--color-surface);border-radius:var(--radius-md);box-shadow:var(--shadow-lg)}.toast-error{background:var(--color-error);color:#fff}.skeleton{background:linear-gradient(90deg,var(--color-border),var(--color-surface-alt),var(--color-border));border-radius:var(--radius-sm);background-size:200% 100%;animation:1.4s infinite skeleton-shimmer}.divider{border-color:var(--color-border);background:var(--color-border)}.text-muted{color:var(--color-text-muted)}.text-secondary{color:var(--color-text-secondary)}.text-primary{color:var(--color-primary)}.text-error{color:var(--color-error)}.kbd{font-family:var(--font-mono);background:var(--color-key-func-bg);color:var(--color-key-func-text);border:1px solid var(--color-border);border-radius:4px}}@layer utilities{.flex{display:flex}.hidden{display:none}.min-h-screen{min-height:100vh}.items-center{align-items:center}.justify-center{justify-content:center}.text-sm{font-size:var(--text-sm);line-height:var(--tw-leading,var(--text-sm--line-height))}.text-error{color:var(--color-error)}.text-slate-500{color:var(--color-slate-500)}}:root{--space-page:32px;--space-gap:16px;--space-gap-sm:8px;--space-gap-lg:24px;--height-navbar:64px;--width-sidebar:360px;--height-key:64px;--width-calculator:560px;--transition-fast:.12s ease;--transition-normal:.22s ease;--transition-slow:.4s ease}@keyframes skeleton-shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}