:root{--tb-primary:#206bc4;--tb-primary-dark:#18549b;--tb-bg:#f6f8fb;--tb-card:#fff;--tb-text:#182433;--tb-muted:#667382;--tb-border:#e6e8eb;--tb-shadow:0 1px 2px rgba(24,36,51,.04),0 8px 24px rgba(24,36,51,.06);--tb-radius:10px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--tb-bg);color:var(--tb-text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.55}a{color:var(--tb-primary)}button,input,textarea,select{font:inherit}.tb-container{width:min(1200px,calc(100% - 32px));margin-inline:auto}.tb-skip{position:absolute;left:-9999px;top:8px;z-index:9999;padding:10px 14px;background:#fff;border-radius:8px}.tb-skip:focus{left:16px}.tb-page{min-height:65vh}.tb-navbar{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.96);border-bottom:1px solid var(--tb-border);backdrop-filter:blur(12px)}.tb-navbar-inner{min-height:68px;display:flex;align-items:center;justify-content:space-between;gap:24px}.tb-brand{display:flex;align-items:center;gap:11px;text-decoration:none;color:var(--tb-text)}.tb-brand-symbol,.tb-brand-logo{width:38px;height:38px;border-radius:8px}.tb-brand-symbol{display:grid;place-items:center;background:var(--tb-primary);color:#fff}.tb-brand-text{display:grid;line-height:1.2}.tb-brand-text strong{font-size:1rem}.tb-brand-text small{margin-top:3px;color:var(--tb-muted);font-size:.72rem}.tb-nav{display:flex;align-items:center;gap:4px}.tb-nav>a{padding:9px 11px;border-radius:7px;color:#4b5870;text-decoration:none;font-size:.875rem;font-weight:600}.tb-nav>a:hover{background:#f1f4f8;color:var(--tb-primary)}.tb-btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:40px;padding:9px 16px;border:1px solid transparent;border-radius:7px;text-decoration:none;font-weight:600;cursor:pointer}.tb-btn-primary{background:var(--tb-primary);border-color:var(--tb-primary);color:#fff!important;box-shadow:0 2px 4px rgba(32,107,196,.2)}.tb-btn-primary:hover{background:var(--tb-primary-dark)}.tb-btn-outline{background:#fff;border-color:#d9dde3;color:#334155}.tb-nav-cta{margin-left:8px}.tb-menu-toggle{display:none;width:42px;height:40px;padding:9px;border:1px solid var(--tb-border);border-radius:7px;background:#fff}.tb-menu-toggle span{display:block;width:20px;height:2px;margin:4px auto;background:#334155}.tb-hero{padding:56px 0 34px;background:#fff;border-bottom:1px solid var(--tb-border)}.tb-hero-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(340px,.65fr);gap:48px;align-items:center}.tb-badge{display:inline-flex;padding:6px 10px;border-radius:999px;background:#e9f2ff;color:var(--tb-primary);font-size:.76rem;font-weight:700}.tb-hero h1{max-width:780px;margin:16px 0 14px;font-size:clamp(2.3rem,5vw,4.25rem);line-height:1.05;letter-spacing:-.045em}.tb-hero-copy>p{max-width:740px;margin:0;color:var(--tb-muted);font-size:1.08rem}.tb-hero-actions{display:flex;gap:10px;margin-top:24px}.tb-feature-row{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:34px}.tb-feature-row div{display:grid}.tb-feature-row strong{font-size:1.25rem}.tb-feature-row span{color:var(--tb-muted);font-size:.78rem}.tb-card{background:var(--tb-card);border:1px solid var(--tb-border);border-radius:var(--tb-radius);box-shadow:var(--tb-shadow)}.tb-card-header{display:flex;align-items:center;gap:12px;min-height:58px;padding:14px 18px;border-bottom:1px solid var(--tb-border)}.tb-card-header h2{margin:0;font-size:1rem}.tb-card-body{padding:20px}.tb-icon-box{display:grid;place-items:center;width:40px;height:40px;border-radius:8px;background:#e9f2ff;color:var(--tb-primary);font-size:1.25rem;font-weight:800}.tb-pretitle{margin:0 0 4px;color:var(--tb-muted);font-size:.7rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase}.tb-overview-card h2{font-size:1.05rem}.tb-check-list{display:grid;gap:18px;margin:0;padding:0;list-style:none}.tb-check-list li{display:grid;grid-template-columns:28px 1fr;gap:10px}.tb-check-list li>span{display:grid;place-items:center;width:24px;height:24px;border-radius:50%;background:#dff7e8;color:#15803d;font-weight:800}.tb-check-list div{display:grid}.tb-check-list small{margin-top:3px;color:var(--tb-muted);line-height:1.45}.tb-stats-strip{padding:18px 0;border-bottom:1px solid var(--tb-border);background:#fbfcfe}.tb-stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.tb-stat{display:flex;align-items:center;gap:12px;padding:14px 16px}.tb-stat-icon{display:grid;place-items:center;width:38px;height:38px;border:1px solid #dce7f5;border-radius:8px;background:#fff;color:var(--tb-primary);font-weight:800}.tb-stat div{display:grid}.tb-stat strong{font-size:.9rem}.tb-stat small{color:var(--tb-muted)}.tb-section{padding:34px 0}.tb-tool-card>.tb-card-body{padding:24px}.tb-tool-card .wrap{width:100%}.section-head.compact-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:20px}.compact-head h2{margin:3px 0;font-size:1.45rem}.compact-head p{margin:0;color:var(--tb-muted)}.eyebrow{margin:0;color:var(--tb-primary);font-size:.72rem;font-weight:700;letter-spacing:.09em;text-transform:uppercase}.kk-tool-switch{display:inline-flex;gap:4px;padding:4px;border:1px solid var(--tb-border);border-radius:8px;background:#f3f5f8}.kk-tool-option{padding:9px 13px;border:0;border-radius:6px;background:transparent;color:#5b6675;font-weight:600;cursor:pointer}.kk-tool-option.is-active{background:#fff;color:var(--tb-primary);box-shadow:0 1px 3px rgba(0,0,0,.08)}.kk-view[hidden]{display:none}.kk-pocket-tip,.science-note{text-align:center;color:var(--tb-muted);font-size:.82rem}.kk-pocket{position:relative;width:min(450px,100%);margin:18px auto;padding:18px;border-radius:16px;background:#182433;box-shadow:0 18px 38px rgba(24,36,51,.18)}.kk-pocket-screen{padding:17px 16px 10px;margin-bottom:14px;border-radius:10px;background:#edf2e8;box-shadow:inset 0 2px 6px rgba(0,0,0,.15)}.kk-pocket-trail{height:22px;text-align:right;color:#697469;font-size:.82rem;overflow:hidden}.kk-pocket-screen input{width:100%;padding:0;border:0;background:transparent;color:#142015;text-align:right;font-size:2.75rem;font-weight:700;outline:0}.kk-quick-memory{position:absolute;top:24px;left:26px;color:#435047;font-size:.72rem;font-weight:800}.kk-pocket-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:8px}.kk-pocket-grid button{min-height:52px;padding:6px;border:0;border-radius:8px;background:#f5f7fa;color:#1f2937;font-weight:700;box-shadow:0 2px 0 #b9c0ca;cursor:pointer}.kk-pocket-grid button:active{transform:translateY(1px)}.kk-pocket-grid .kk-key--memory{background:#dce9ff;color:#174f91}.kk-pocket-grid .kk-key--operator{background:#dce9ff;color:#174f91}.kk-pocket-grid .kk-key--danger{background:#e03131;color:#fff}.kk-pocket-grid .kk-key--result{background:var(--tb-primary);color:#fff}.kk-science-studio{display:grid;grid-template-columns:minmax(220px,280px) minmax(430px,500px);justify-content:center;gap:18px;padding:18px;border:1px solid var(--tb-border);border-radius:12px;background:#f4f6f9}.kk-dock{overflow:hidden;border:1px solid var(--tb-border);border-radius:10px;background:#fff}.kk-dock-tabs{display:grid;grid-template-columns:1fr 1fr;gap:4px;padding:6px;background:#f3f5f8}.kk-dock-tabs button{padding:9px;border:0;border-radius:6px;background:transparent;font-weight:600}.kk-dock-tabs button.is-active{background:#fff;color:var(--tb-primary);box-shadow:0 1px 3px rgba(0,0,0,.08)}.kk-dock-head{display:flex;align-items:center;justify-content:space-between;padding:14px 15px;border-bottom:1px solid var(--tb-border)}.kk-dock-head button{border:0;background:transparent;color:var(--tb-primary)}.kk-history-feed{max-height:610px;padding:8px;overflow:auto}.kk-history-feed button{display:grid;width:100%;gap:5px;margin-bottom:6px;padding:10px;border:1px solid var(--tb-border);border-radius:7px;background:#fafbfc;text-align:left}.kk-history-feed button b{text-align:right}.kk-empty-note{padding:32px 8px;color:#98a2b3;text-align:center}.kk-variable-grid{display:grid;grid-template-columns:1fr auto;gap:12px;padding:16px}.kk-variable-grid button{border:0;background:transparent;color:var(--tb-primary)}.kk-console-shell{width:100%;padding:18px 16px 22px;border-radius:24px;background:repeating-linear-gradient(135deg,#181b20 0,#181b20 2px,#22262d 2px,#22262d 4px);color:#fff;box-shadow:0 20px 40px rgba(24,36,51,.24)}.kk-console-brand{display:flex;align-items:center;justify-content:space-between;padding:0 8px 10px}.kk-console-brand>div:first-child{display:grid}.kk-console-brand span{font-size:.58rem;letter-spacing:.17em;color:#aeb8c7}.kk-console-brand strong{font-size:1.2rem}.kk-console-brand small{color:#f6b73c}.kk-console-pulse{display:grid;grid-template-columns:repeat(4,16px);height:18px;border:2px solid #08090b}.kk-console-pulse i{background:#342f2a;border-right:1px solid #111}.kk-console-display{position:relative;min-height:202px;overflow:hidden;border:5px solid #090b0c;border-radius:8px;background:linear-gradient(#dceac8,#c9dcb2);color:#172116}.kk-console-indicators{position:absolute;z-index:3;display:flex;gap:8px;padding:5px 9px;font:bold .58rem ui-monospace,monospace}.kk-console-display math-field{display:block;min-height:150px;padding:34px 12px 10px;border:0;background:transparent;font-size:1.2rem}.kk-answer-bar{display:flex;align-items:end;justify-content:space-between;padding:6px 12px 10px;border-top:1px solid rgba(0,0,0,.12)}.kk-answer-bar span{font-size:.65rem}.kk-answer-bar output{font:800 1.35rem ui-monospace,monospace}.kk-mode-menu,.kk-screen-menu{position:absolute;inset:26px 8px 34px;z-index:5;display:grid;grid-template-columns:1fr 1fr;gap:6px;padding:8px;border:1px solid #839577;border-radius:5px;background:#dcebc8}.kk-mode-menu[hidden],.kk-screen-menu[hidden],.kk-work-panel[hidden]{display:none!important}.kk-mode-menu button,.kk-screen-menu button{padding:7px;border:1px solid #a8b99c;border-radius:4px;background:#edf6e5;color:#172116;text-align:left}.kk-work-panel{position:absolute;inset:26px 7px 35px;z-index:6;padding:8px;overflow:auto;background:#dcebc8;color:#172116;font-size:.75rem}.kk-work-panel__head{display:flex;justify-content:space-between;padding-bottom:5px;border-bottom:1px solid #91a286}.kk-work-panel input,.kk-work-panel textarea,.kk-work-panel select{width:100%;padding:6px;border:1px solid #819178;border-radius:4px;background:#f4faee}.kk-work-panel textarea{min-height:55px}.kk-work-panel pre{padding:6px;background:#edf6e4;color:#172116;white-space:pre-wrap}.kk-inline-fields{display:grid;grid-template-columns:repeat(3,1fr);gap:5px}.kk-module-actions{display:flex;flex-wrap:wrap;gap:5px;margin-top:6px}.kk-module-actions button,.kk-module-primary{padding:6px 8px;border:1px solid #6e8066;border-radius:4px;background:#eef7e7;color:#172116}.kk-command-strip{display:grid;grid-template-columns:1fr 126px 1fr;align-items:center;gap:10px;margin:17px 0 10px}.kk-command-group{display:flex;gap:14px}.kk-command-group--left{justify-content:flex-start}.kk-command-group--right{justify-content:flex-end}.kk-command-key{position:relative;width:35px;height:35px;border:2px solid #090a0b;border-radius:50%;background:radial-gradient(circle at 35% 25%,#71757b,#24272d 70%);color:#fff}.kk-command-key small,.kk-command-key em{position:absolute;left:50%;transform:translateX(-50%);white-space:nowrap;font-style:normal}.kk-command-key small{bottom:41px;font-size:.46rem}.kk-command-key em{bottom:50px;color:#f5ad20;font-size:.36rem}.kk-cursor-pad{display:grid;grid-template-columns:36px 48px 36px;grid-template-rows:22px 29px 22px;width:126px;height:75px;border:2px solid #090a0b;border-radius:45%;background:#25292f}.kk-cursor-pad button{display:grid;place-items:center;padding:0;border:0;background:transparent;color:#ddd}.kk-cursor-pad button:nth-child(1){grid-column:2}.kk-cursor-pad button:nth-child(2){grid-row:2;grid-column:1}.kk-cursor-pad span{grid-row:2;grid-column:2;width:32px;height:22px;margin:auto;border-radius:50%;background:#0d0f12}.kk-cursor-pad button:nth-child(4){grid-row:2;grid-column:3}.kk-cursor-pad button:nth-child(5){grid-row:3;grid-column:2}.kk-state-controls{display:grid;grid-template-columns:repeat(4,1fr);gap:4px;width:126px;margin:0 auto 16px}.kk-state-controls button,.kk-console-footer button{padding:5px;border:0;border-radius:4px;background:#30343a;color:#fff;font-size:.5rem}.kk-science-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:13px 8px}.kk-science-grid button{position:relative;display:flex;align-items:center;justify-content:center;height:39px;min-width:0;padding:3px;border:1px solid #292c31;border-radius:5px;background:linear-gradient(#51555b,#393d43);color:#fff;font-size:.72rem;font-weight:700;box-shadow:0 3px 0 #090a0b}.kk-science-grid button small{position:absolute;top:-10px;left:50%;transform:translateX(-50%);color:#f1a916;font-size:.39rem;white-space:nowrap}.kk-science-grid .num{background:linear-gradient(#fff,#e5e7eb);color:#111;font-size:1rem}.kk-science-grid .op{background:linear-gradient(#777,#555);font-size:1rem}.kk-science-grid .kk-key--delete{background:#c92a2a}.kk-science-grid .kk-key--clear{background:#1971c2}.kk-science-grid .equals{background:#2f9e44;font-size:1.15rem}.kk-science-grid .is-on{outline:3px solid rgba(255,193,7,.45)}.kk-console-footer{text-align:center;margin-top:14px}.tb-content-layout{display:grid;grid-template-columns:minmax(0,1fr) 250px;gap:18px;align-items:start}.tb-content-card .tb-card-body{padding:32px}.tb-side-info{position:sticky;top:88px}.tb-side-info .tb-card-body{display:grid;padding:10px}.tb-side-info a{padding:10px 11px;border-radius:6px;color:#4b5870;text-decoration:none}.tb-side-info a:hover{background:#edf4fc;color:var(--tb-primary)}.tb-prose{font-size:.98rem}.tb-prose h2{margin:1.8em 0 .6em;font-size:1.45rem}.tb-prose h3{margin:1.5em 0 .5em;font-size:1.12rem}.tb-prose p,.tb-prose li{color:#526071;line-height:1.75}.tb-prose a{color:var(--tb-primary)}.tb-prose table{width:100%;border-collapse:collapse}.tb-prose th,.tb-prose td{padding:10px;border:1px solid var(--tb-border);text-align:left}.tb-section-heading{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:18px}.tb-section-heading h2{margin:3px 0 0;font-size:1.55rem}.tb-section-heading>p{color:var(--tb-muted)}.tb-faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.tb-faq-item{overflow:hidden}.tb-faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:17px 18px;cursor:pointer;font-weight:650;list-style:none}.tb-faq-item summary::-webkit-details-marker{display:none}.tb-faq-item summary span{display:grid;place-items:center;width:26px;height:26px;border-radius:6px;background:#edf4fc;color:var(--tb-primary);font-size:1.1rem}.tb-faq-item[open] summary span{transform:rotate(45deg)}.tb-faq-item>div{padding:0 18px 17px;border-top:1px solid var(--tb-border)}.tb-faq-item p{margin:14px 0 0;color:var(--tb-muted)}.tb-page-header{padding:34px 0 28px;background:#fff;border-bottom:1px solid var(--tb-border)}.tb-page-header h1{margin:5px 0 8px;font-size:2rem}.tb-breadcrumb{display:flex;gap:8px;margin-bottom:18px;color:var(--tb-muted);font-size:.82rem}.tb-breadcrumb a{text-decoration:none}.tb-page-lead{max-width:820px;color:var(--tb-muted)}.tb-doc-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:18px;align-items:start}.tb-doc-grid-single{grid-template-columns:minmax(0,900px);justify-content:center}.tb-doc-card .tb-card-body{padding:32px}.tb-faq-side{position:sticky;top:88px}.tb-faq-side details{padding:12px 0;border-bottom:1px solid var(--tb-border)}.tb-faq-side summary{cursor:pointer;font-weight:600}.tb-faq-side p{color:var(--tb-muted);font-size:.9rem}.tb-contact-form{display:grid;gap:16px;margin-top:28px;padding-top:24px;border-top:1px solid var(--tb-border)}.tb-form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.tb-field{display:grid;gap:6px;font-weight:600}.tb-field input,.tb-field textarea{width:100%;padding:10px 12px;border:1px solid #d9dde3;border-radius:7px;background:#fff;color:var(--tb-text)}.tb-field input:focus,.tb-field textarea:focus{border-color:#90b8e8;outline:3px solid rgba(32,107,196,.1)}.tb-form-actions{display:flex;align-items:center;gap:14px}.tb-form-actions small{color:var(--tb-muted)}.tb-alert{margin-top:20px;padding:12px 14px;border-radius:7px}.tb-alert-success{background:#e8f7ed;color:#18733d}.tb-alert-danger{background:#feeeee;color:#b42318}.hp-field{position:absolute!important;left:-10000px!important;width:1px!important;height:1px!important;overflow:hidden!important}.tb-footer{margin-top:24px;padding:34px 0 22px;border-top:1px solid var(--tb-border);background:#fff}.tb-footer-grid{display:grid;grid-template-columns:1fr auto;gap:22px}.tb-footer-brand strong{font-size:.95rem}.tb-footer-brand p{margin:7px 0 0;color:var(--tb-muted);font-size:.86rem}.tb-footer-nav{display:flex;flex-wrap:wrap;gap:15px}.tb-footer-nav a{color:#536075;text-decoration:none;font-size:.84rem}.tb-footer-nav a:hover{color:var(--tb-primary)}.tb-footer-bottom{grid-column:1/-1;display:flex;justify-content:space-between;padding-top:18px;border-top:1px solid var(--tb-border);color:#8993a1;font-size:.78rem}
@media(max-width:900px){.tb-hero-grid,.tb-content-layout,.tb-doc-grid{grid-template-columns:1fr}.tb-overview-card{max-width:650px}.tb-side-info,.tb-faq-side{position:static}.kk-science-studio{grid-template-columns:minmax(380px,500px)}.kk-dock--records{order:2}.tb-menu-toggle{display:block}.tb-nav{position:absolute;top:calc(100% + 7px);left:16px;right:16px;display:none;padding:8px;border:1px solid var(--tb-border);border-radius:9px;background:#fff;box-shadow:var(--tb-shadow)}.site-header.is-open .tb-nav{display:grid}.tb-nav-cta{margin:4px 0 0}.site-header.is-open .tb-menu-toggle span:nth-child(1){transform:translateY(6px) rotate(45deg)}.site-header.is-open .tb-menu-toggle span:nth-child(2){opacity:0}.site-header.is-open .tb-menu-toggle span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}}
@media(max-width:680px){.tb-container{width:min(100% - 22px,1200px)}.tb-brand-text small{display:none}.tb-hero{padding-top:36px}.tb-hero-grid{gap:28px}.tb-feature-row,.tb-stats-grid,.tb-faq-grid,.tb-form-grid{grid-template-columns:1fr}.tb-feature-row{gap:10px}.tb-feature-row div{grid-template-columns:55px 1fr;align-items:center}.tb-hero-actions{display:grid}.tb-section-heading,.section-head.compact-head{align-items:stretch;flex-direction:column}.kk-tool-switch{display:grid;grid-template-columns:1fr 1fr}.tb-tool-card>.tb-card-body{padding:13px}.kk-science-studio{display:flex;flex-direction:column;padding:7px}.kk-console-shell{padding:15px 10px 20px}.kk-command-strip{grid-template-columns:1fr 106px 1fr;gap:5px}.kk-command-group{gap:7px}.kk-command-key{width:30px;height:30px}.kk-command-key small{bottom:36px}.kk-command-key em{bottom:44px}.kk-cursor-pad{width:106px;height:65px;grid-template-columns:30px 42px 30px;grid-template-rows:19px 26px 19px}.kk-state-controls{width:106px}.kk-science-grid{gap:12px 5px}.kk-science-grid button{height:37px;font-size:.62rem}.kk-pocket-grid{gap:6px}.kk-pocket-grid button{min-height:48px}.tb-doc-card .tb-card-body,.tb-content-card .tb-card-body{padding:20px}.tb-footer-grid{grid-template-columns:1fr}.tb-footer-nav{justify-content:flex-start}.tb-footer-bottom{display:grid;gap:6px}.tb-page-header h1{font-size:1.7rem}}


/* KalkulatorKu Studio v3 — independent tool interface */
.kk-tool-switch{display:inline-grid;grid-template-columns:1fr 1fr;gap:4px;padding:4px;border:1px solid #d7deea;border-radius:12px;background:#eef2f7}
.kk-tool-option{min-height:38px;padding:8px 15px;border:0;border-radius:9px;background:transparent;color:#526174;font-weight:700;cursor:pointer}
.kk-tool-option.is-active{background:#fff;color:#1d4ed8;box-shadow:0 2px 8px rgba(15,23,42,.1)}
.kk-view[hidden]{display:none!important}
.kk-pocket{width:min(100%,520px);margin:18px auto 0;padding:18px;border:1px solid #d9e1ec;border-radius:18px;background:#fff;box-shadow:0 16px 38px rgba(25,42,70,.11)}
.kk-pocket-screen{position:relative;min-height:128px;padding:20px;border:1px solid #ced8e6;border-radius:14px;background:linear-gradient(145deg,#f7fafc,#e8eef6);overflow:hidden}
.kk-pocket-screen::after{content:"QUICK DESK";position:absolute;left:18px;bottom:13px;color:#94a3b8;font-size:.66rem;font-weight:800;letter-spacing:.13em}
.kk-pocket-trail{min-height:25px;text-align:right;color:#64748b;font-size:.9rem}
.kk-pocket-screen input{width:100%;padding:8px 0 24px;border:0;background:transparent;color:#0f172a;text-align:right;font:800 clamp(2.5rem,7vw,4rem)/1 ui-monospace,SFMono-Regular,Menlo,monospace;outline:0}
.kk-pocket-memory{height:18px;margin:10px 4px 2px;color:#2563eb;font-size:.75rem;font-weight:900}
.kk-pocket-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:9px}
.kk-pocket-grid button{min-height:50px;padding:8px 4px;border:1px solid #d7dfeb;border-radius:11px;background:#f8fafc;color:#1e293b;font-size:1rem;font-weight:800;cursor:pointer;box-shadow:none;transition:transform .1s,background .15s,border-color .15s}
.kk-pocket-grid button:hover{background:#eef4fb;border-color:#becbdd}.kk-pocket-grid button:active{transform:scale(.97)}
.kk-pocket-grid .kk-key--memory{background:#eef2ff;color:#4338ca;border-color:#d9ddff}
.kk-pocket-grid .kk-key--operator{background:#e8f1ff;color:#1551a2;border-color:#cfe0f8}
.kk-pocket-grid .kk-key--danger{background:#fff0f1;color:#c52b38;border-color:#ffd3d7}
.kk-pocket-grid .kk-key--result{background:#206bc4;color:#fff;border-color:#206bc4}
.kk-pocket-tip{text-align:center;margin:13px 0 0;color:#77859a;font-size:.82rem}

.kk-science-studio{display:grid;grid-template-columns:minmax(0,1fr) 270px;grid-template-areas:"console dock";gap:18px;align-items:start;margin-top:18px}
.kk-formula-console{grid-area:console;border:1px solid #d7dfeb;border-radius:18px;background:#fff;box-shadow:0 18px 42px rgba(28,46,76,.1);overflow:hidden}
.kk-console-shell{max-width:none!important;width:100%!important;margin:0!important;padding:0!important;border:0!important;border-radius:18px!important;background:#fff!important;box-shadow:none!important;color:#182433!important}
.kk-console-brand{display:flex!important;align-items:center!important;justify-content:space-between!important;padding:18px 20px!important;margin:0!important;border-bottom:1px solid #e5eaf1;background:#f8fafc;color:#182433!important}
.kk-console-brand>div:first-child{display:flex!important;align-items:baseline!important;gap:10px!important}.kk-console-brand span{color:#206bc4!important;font-size:.7rem!important;letter-spacing:.12em}.kk-console-brand strong{font:800 1.08rem/1.2 Inter,sans-serif!important}.kk-console-brand small{color:#758397!important}
.kk-console-pulse{display:flex!important;gap:4px!important;height:auto!important;border:0!important}.kk-console-pulse i{display:block;width:8px;height:8px;border:0!important;border-radius:50%;background:#2fb344!important}.kk-console-pulse i:nth-child(n+2){opacity:.35}
.kk-console-display{position:relative!important;min-height:210px!important;margin:18px!important;border:1px solid #cfd9e7!important;border-radius:14px!important;background:linear-gradient(160deg,#f9fbff,#eef4fb)!important;box-shadow:inset 0 1px 2px rgba(15,23,42,.05)!important;color:#142033!important;overflow:hidden!important}
.kk-console-indicators{position:static!important;height:auto!important;display:flex!important;gap:6px!important;padding:11px 13px!important;border-bottom:1px solid #dfe6ef;color:#526174!important;font:800 .67rem Inter,sans-serif!important}.kk-console-indicators span{padding:3px 7px;border-radius:999px;background:#fff;border:1px solid #d9e1eb}
.kk-console-display math-field{display:block;min-height:108px!important;padding:22px 16px 12px!important;border:0;background:transparent;font-size:1.35rem!important;--caret-color:#206bc4}
.kk-answer-bar{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:12px 16px;border-top:1px solid #dfe6ef;background:#fff}.kk-answer-bar span{color:#667382;font-size:.78rem}.kk-answer-bar output{color:#15243a;font:800 1.6rem ui-monospace,monospace;text-align:right;overflow-wrap:anywhere}
.kk-screen-menu,.kk-work-panel{position:absolute!important;inset:48px 12px 46px!important;z-index:8;padding:12px!important;border:1px solid #ccd8e7!important;border-radius:10px!important;background:#fff!important;color:#182433!important;overflow:auto}
.kk-screen-menu[hidden],.kk-work-panel[hidden]{display:none!important}.kk-screen-menu{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}.kk-screen-title{grid-column:1/-1;font-weight:800}.kk-screen-menu button{display:flex;align-items:center;gap:8px;padding:10px;border:1px solid #dce4ee;border-radius:8px;background:#f7f9fc;color:#22324a;text-align:left}.kk-screen-menu button b{display:grid;place-items:center;width:22px;height:22px;border-radius:6px;background:#206bc4;color:#fff}
.kk-work-panel__head{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}.kk-work-panel__head button,.kk-module-actions button,.kk-module-primary{border:0;border-radius:8px;padding:8px 10px;background:#e9f2fc;color:#18549b;font-weight:800}.kk-module label{display:grid;gap:5px;margin:8px 0;font-size:.8rem;font-weight:700}.kk-module input,.kk-module textarea,.kk-module select{width:100%;padding:8px;border:1px solid #ccd7e5;border-radius:8px;background:#fff}.kk-module textarea{min-height:64px}.kk-module pre{min-height:42px;padding:9px;border-radius:8px;background:#f3f6fa;color:#24344c;white-space:pre-wrap}.kk-inline-fields{display:grid;grid-template-columns:repeat(3,1fr);gap:7px}.kk-module-actions{display:flex;gap:7px;flex-wrap:wrap}
.kk-command-strip{display:flex!important;align-items:center!important;justify-content:space-between!important;width:auto!important;margin:0!important;padding:0 18px 14px!important;border-bottom:1px solid #e5eaf1}
.kk-command-group{display:flex!important;gap:7px!important;width:auto!important;padding:0!important}.kk-command-key{position:static!important;width:auto!important;height:34px!important;min-width:58px!important;padding:0 11px!important;border:1px solid #d6dfeb!important;border-radius:8px!important;background:#f5f7fa!important;color:#334155!important;box-shadow:none!important}.kk-command-key small{position:static!important;transform:none!important;color:inherit!important;font-size:.68rem!important}.kk-command-key em{display:none}.kk-command-key--shift{background:#fff7df!important;color:#946200!important;border-color:#f1dea1!important}.kk-command-key--alpha{background:#fff0f3!important;color:#b42343!important;border-color:#f4c9d3!important}
.kk-cursor-pad{display:grid!important;grid-template-columns:repeat(3,30px)!important;grid-template-rows:repeat(3,25px)!important;width:98px!important;height:75px!important;padding:0!important;border:1px solid #d7e0eb!important;border-radius:12px!important;background:#f7f9fc!important;box-shadow:none!important}.kk-cursor-pad button{display:grid;place-items:center;padding:0!important;border:0!important;background:transparent!important;color:#526174!important}.kk-cursor-pad button:nth-child(1){grid-column:2}.kk-cursor-pad button:nth-child(2){grid-row:2;grid-column:1}.kk-cursor-pad span{grid-row:2;grid-column:2;width:24px;height:20px;margin:auto;border-radius:6px;background:#dfe7f1!important}.kk-cursor-pad button:nth-child(4){grid-row:2;grid-column:3}.kk-cursor-pad button:nth-child(5){grid-row:3;grid-column:2}
.kk-state-controls{display:flex!important;justify-content:flex-end!important;gap:6px!important;width:auto!important;margin:0!important;padding:12px 18px!important}.kk-state-controls button{min-height:30px;padding:5px 10px!important;border:1px solid #d8e1ec!important;border-radius:8px!important;background:#fff!important;color:#536276!important;font-size:.66rem!important}
.kk-science-grid{display:grid!important;grid-template-columns:repeat(6,minmax(0,1fr))!important;gap:8px!important;width:auto!important;padding:0 18px 18px!important}
.kk-science-grid button{position:relative!important;width:100%!important;height:42px!important;min-height:42px!important;padding:5px 3px!important;border:1px solid #d4deea!important;border-radius:9px!important;background:#f7f9fc!important;color:#24344c!important;box-shadow:none!important;font-size:.76rem!important;font-weight:800!important;overflow:visible!important}.kk-science-grid button:hover{background:#edf3fa}.kk-science-grid button small{position:absolute!important;top:-7px!important;left:50%!important;transform:translateX(-50%)!important;padding:0 3px;background:#fff;color:#a36c00!important;font-size:.43rem!important;white-space:nowrap}.kk-science-grid .num{background:#fff!important;color:#142033!important;font-size:1rem!important}.kk-science-grid .op{background:#eaf2fd!important;color:#18549b!important;font-size:1rem!important}.kk-science-grid .kk-key--delete{background:#fff2f3!important;color:#c12635!important}.kk-science-grid .kk-key--clear{background:#fff8e7!important;color:#946200!important}.kk-science-grid .equals{background:#206bc4!important;color:#fff!important;border-color:#206bc4!important}.kk-science-grid .is-on{outline:3px solid rgba(32,107,196,.24)}
.kk-console-footer{display:flex!important;justify-content:flex-end!important;margin:0!important;padding:0 18px 18px!important}.kk-console-footer button{padding:8px 12px;border:1px solid #d7e0eb;border-radius:8px;background:#fff;color:#3d4d63;font-weight:700}
.kk-dock{grid-area:dock;border:1px solid #d7dfeb;border-radius:16px;background:#fff;box-shadow:0 12px 28px rgba(28,46,76,.07);overflow:hidden}.kk-dock-tabs{display:grid;grid-template-columns:1fr 1fr;padding:5px;background:#f0f3f7}.kk-dock-tabs button{padding:9px;border:0;border-radius:8px;background:transparent;color:#657386;font-weight:800}.kk-dock-tabs button.is-active{background:#fff;color:#206bc4;box-shadow:0 1px 4px rgba(15,23,42,.09)}.kk-dock-head{display:flex;align-items:center;justify-content:space-between;padding:14px;border-bottom:1px solid #e6ebf2}.kk-dock-head button{border:0;background:transparent;color:#d63939;font-size:.78rem}.kk-history-feed{max-height:580px;padding:8px;overflow:auto}.kk-history-feed button{display:grid;width:100%;gap:5px;margin-bottom:7px;padding:10px;border:1px solid #e2e8f0;border-radius:9px;background:#fafbfd;text-align:left}.kk-history-feed button span{color:#667382;overflow:hidden;text-overflow:ellipsis}.kk-history-feed button b{text-align:right;color:#206bc4}.kk-empty-note{padding:28px 12px;color:#94a3b8;text-align:center}.kk-variable-grid{display:grid;grid-template-columns:1fr auto;gap:10px;padding:14px}.kk-variable-grid button{border:0;background:transparent;color:#206bc4;text-align:left}.kk-variable-grid output{font-weight:800}
@media(max-width:950px){.kk-science-studio{grid-template-columns:1fr;grid-template-areas:"console" "dock"}.kk-history-feed{max-height:260px}}
@media(max-width:650px){.kk-tool-switch{width:100%}.kk-pocket{padding:12px}.kk-pocket-grid{gap:6px}.kk-pocket-grid button{min-height:46px;font-size:.9rem}.kk-console-display{margin:10px!important}.kk-command-strip{padding-inline:10px!important}.kk-command-key{min-width:48px!important;padding-inline:7px!important}.kk-cursor-pad{width:88px!important}.kk-science-grid{grid-template-columns:repeat(5,minmax(0,1fr))!important;gap:7px 5px!important;padding:0 10px 14px!important}.kk-science-grid button{height:39px!important;font-size:.67rem!important}.kk-state-controls{padding-inline:10px!important}.kk-console-brand{padding:14px!important}.kk-console-brand small{display:none}.kk-inline-fields{grid-template-columns:1fr}.kk-screen-menu{grid-template-columns:1fr}}