:root{color-scheme:dark;--bg:#0a1220;--panel:#121e30;--panel2:#18273d;--border:#30425d;--accent:#65b7ff;--muted:#95a9bf;--text:#f3f7fd;--sub:#c4d1e1;--soft:#223550;--danger:#e9af80}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:14px}button,input,select{font:inherit}button{cursor:pointer}button:focus-visible,input:focus-visible,select:focus-visible,.brand:focus-visible{outline:2px solid var(--accent);outline-offset:3px}a{color:var(--accent)}.app-shell{min-height:100vh;display:flex}.sidebar{width:268px;flex-shrink:0;position:sticky;top:0;height:100vh;border-right:1px solid var(--border);background:#0b1526;display:flex;flex-direction:column;z-index:30}.sidebar-top{padding:32px 24px 25px}.brand{display:flex;align-items:center;gap:12px;cursor:pointer}.brand-mark{width:35px;height:35px;display:grid;grid-template-columns:1fr 1fr;gap:3px;transform:rotate(-3deg)}.brand-mark span{background:var(--accent);border-radius:4px}.brand-mark span:nth-child(2),.brand-mark span:nth-child(3){opacity:.42}.brand-name{font-size:19px;font-weight:800;letter-spacing:-1.05px;line-height:1.1}.brand-name>span{color:var(--accent)}.brand-name small{display:block;font-weight:700;letter-spacing:2.2px;font-size:8px;color:var(--muted);margin-top:5px}.sidebar-search{margin:0 18px 22px;border:1px solid var(--border);height:43px;border-radius:12px;display:flex;align-items:center;padding:0 10px;color:var(--muted);background:#142238}.sidebar-search input{min-width:0;width:100%;background:transparent;border:0;outline:none;color:var(--text);font-size:12px;padding:0 8px}.sidebar-search input::placeholder{color:#94a8bd}.search-icon{font-size:25px;line-height:1;transform:rotate(-25deg)}kbd{border:1px solid #3b536f;border-radius:4px;padding:1px 6px;font-size:10px}.nav{overflow-y:auto;min-height:0;padding:0 12px 24px;scrollbar-width:thin;scrollbar-color:#415979 transparent}.nav-head{color:#8099b7;text-transform:uppercase;letter-spacing:2px;font-weight:800;font-size:9px;padding:13px 14px 9px}.nav-item{border:0;width:100%;display:flex;align-items:center;gap:12px;color:#bdcce0;background:transparent;border-radius:11px;text-align:left;padding:11px 13px;font-size:12.5px;font-weight:560;transition:.15s}.nav-item:hover{background:#1a2d45;color:var(--text)}.nav-item.active{background:var(--accent);color:#0c213d;font-weight:800}.nav-item .nav-icon{width:23px;height:23px;display:grid;place-items:center;flex-shrink:0;border:1px solid #425a78;border-radius:7px;font-size:10px;font-weight:850;color:var(--accent)}.nav-item.active .nav-icon{border-color:#3577bd;color:#092f50}.nav-count{margin-left:auto;opacity:.65;font-size:10px}.sidebar-bottom{margin-top:auto;padding:18px 20px 25px;border-top:1px solid var(--border)}.sidebar-note{display:flex;align-items:center;gap:10px;padding:13px;border:1px solid #294a6b;background:#112b48;border-radius:12px}.sidebar-note .small-shape{color:var(--accent);font-size:24px}.sidebar-note b{display:block;font-size:11px}.sidebar-note small{font-size:10px;color:var(--muted);line-height:1.5;display:block;margin-top:3px}.version{display:flex;justify-content:space-between;margin-top:20px;font-size:9px;font-weight:800;letter-spacing:1.4px;color:#748ea9}.version span{letter-spacing:0}.main{flex:1;min-width:0;display:flex;flex-direction:column;min-height:100vh}.topbar{height:68px;min-height:68px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border);padding:0 clamp(22px,4.2vw,60px)}.top-left,.top-right{display:flex;align-items:center;gap:13px}.crumb{font-size:10px;letter-spacing:1.9px;color:#89a2c0;font-weight:800}.crumb strong{color:#f0f7ff;font-size:10px}.slash{color:#74879e;padding:0 8px}.top-right{color:#93a9c2;font-size:9px;letter-spacing:1.4px;font-weight:800}.online-dot{width:7px;height:7px;background:var(--accent);border-radius:50%;box-shadow:0 0 0 4px #65b7ff10}.top-separator{height:15px;border-left:1px solid var(--border);margin:0 10px}.main-content{width:100%;max-width:1570px;margin:0 auto;flex:1;padding:clamp(25px,4.5vw,58px) clamp(21px,4.2vw,60px) 50px}.site-footer{border-top:1px solid var(--border);margin-top:auto;padding:22px clamp(22px,4.2vw,60px);font-size:10px;color:#8197af;letter-spacing:.35px}.site-footer span{padding:0 10px}.eyebrow{font-size:10px;font-weight:850;letter-spacing:2.15px;color:var(--accent);text-transform:uppercase}.page-h1{font-size:clamp(38px,5.5vw,73px);line-height:1.03;letter-spacing:-3.5px;font-weight:820;margin:14px 0 15px}.page-h1 em{color:var(--accent);font-style:normal}.intro{font-size:14px;color:#a9bdd2;line-height:1.8;max-width:640px;margin:0}.hero{position:relative;overflow:hidden;border:1px solid #324762;background:radial-gradient(ellipse at 89% 17%,#2e5480 0%,transparent 42%),linear-gradient(135deg,#142941,#111e31 72%);border-radius:22px;padding:clamp(26px,4.5vw,55px);min-height:290px}.hero::after{content:"";position:absolute;width:370px;height:370px;right:-110px;top:6px;opacity:.25;pointer-events:none;background:repeating-linear-gradient(0deg,transparent 0px,transparent 36px,#76c0f5 37px,#76c0f5 38px),repeating-linear-gradient(90deg,transparent 0px,transparent 36px,#76c0f5 37px,#76c0f5 38px);transform:rotate(-26deg);mask-image:linear-gradient(to right,transparent,#000)}.hero .eyebrow,.hero .page-h1,.hero .intro{position:relative;z-index:1}.hero .page-h1{font-size:clamp(40px,5.5vw,70px);max-width:690px}.hero .intro{max-width:540px}.hero-meta{display:flex;gap:20px;align-items:center;margin-top:27px;color:#c5dafa;font-size:11px;position:relative;z-index:1}.hero-meta b{color:var(--accent);font-size:19px}.hero-meta span{display:flex;align-items:center;gap:8px}.section-row{display:flex;justify-content:space-between;align-items:end;gap:20px;margin:44px 0 19px}.section-row h2{font-size:23px;letter-spacing:-.8px;font-weight:750;margin:8px 0 0}.section-row p{margin:0;color:var(--muted);font-size:12px}.tool-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:13px}.tool-card{border:1px solid var(--border);background:linear-gradient(160deg,#142338,#121e30);border-radius:16px;min-height:214px;padding:22px;display:flex;flex-direction:column;align-items:flex-start;text-align:left;color:var(--text);transition:transform .2s,border-color .2s,background .2s}.tool-card:hover{border-color:#69b5ed;transform:translateY(-3px);background:#1d344d}.tool-card.featured{min-height:226px}.tool-card-top{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;width:100%;margin-bottom:16px}.tool-card-index{border:1px solid #40628b;color:var(--accent);font-size:10px;font-weight:800;min-width:33px;height:33px;border-radius:9px;display:grid;place-items:center;flex-shrink:0}.tool-illus{margin-left:auto;width:74px;height:46px;border-radius:12px;border:1px solid #335276;background:#12243a;display:grid;place-items:center;overflow:hidden}.tool-illus svg{width:100%;height:100%;display:block}.tool-illus .i{stroke:#b9e1ff;stroke-width:1.8;fill:none;stroke-linecap:round;stroke-linejoin:round}.tool-illus .if{fill:none;stroke:#b9e1ff;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.tool-illus .dot{fill:#b9e1ff;stroke:none}.tool-card h3{font-size:17px;letter-spacing:-.5px;margin:0 0 6px}.tool-card p{color:#9fb5ce;font-size:11px;line-height:1.58;margin:0;min-height:52px}.tool-card-foot{display:flex;align-items:center;width:100%;justify-content:space-between;margin-top:auto;padding-top:16px;color:#7e9fbe;font-size:9px;letter-spacing:1.2px;font-weight:800}.tool-card-foot .arrow{width:25px;height:25px;display:grid;place-items:center;border-radius:50%;color:var(--accent);border:1px solid #376b9b;font-size:17px}.categories{display:flex;gap:8px;flex-wrap:wrap}.category-chip{padding:8px 13px;border-radius:20px;color:#b8c9dc;background:#142339;border:1px solid var(--border);font-size:11px}.category-chip:hover,.category-chip.active{background:var(--accent);color:#112b47;border-color:var(--accent);font-weight:750}.home-bottom{display:grid;grid-template-columns:1.4fr 1fr;gap:13px;margin-top:22px}.info-panel{border:1px solid var(--border);border-radius:17px;padding:25px;background:var(--panel)}.info-panel h3{margin:4px 0 7px;letter-spacing:-.5px}.info-panel p{line-height:1.65;color:#a6b9d2;font-size:12px;margin:0}.info-panel strong{color:var(--accent)}.calculator-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:30px}.calculator-heading h1{margin:9px 0 9px;font-size:clamp(32px,4vw,52px);letter-spacing:-2.3px;line-height:1.12}.calculator-heading p{font-size:13px;color:var(--muted);margin:0;max-width:650px;line-height:1.65}.btn-ghost,.btn-primary,.btn-small{display:inline-flex;align-items:center;justify-content:center;gap:9px;border:1px solid var(--border);padding:12px 16px;border-radius:11px;background:#1b2c44;color:var(--text);font-size:12px;font-weight:700;white-space:nowrap;transition:.15s}.btn-ghost:hover,.btn-small:hover{border-color:var(--accent)}.btn-primary{background:var(--accent);border-color:var(--accent);color:#112941}.btn-primary:hover{filter:brightness(1.1)}.btn-small{padding:9px 12px;font-size:11px}.calc-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(340px,.88fr);gap:19px;align-items:start}.calc-panel{border:1px solid var(--border);border-radius:18px;background:var(--panel);overflow:hidden}.panel-head{padding:22px 25px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;gap:10px}.panel-title{font-size:15px;font-weight:800;letter-spacing:-.2px}.panel-kicker{font-size:9px;color:var(--muted);letter-spacing:1.4px;font-weight:750}.panel-body{padding:25px}.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.field{min-width:0}.field.wide{grid-column:1/-1}.field label{display:block;font-weight:720;font-size:11px;color:#d4e2ef;margin-bottom:9px}.field small{display:block;color:#8daac3;font-size:10px;line-height:1.5;margin:6px 0 0}.input-wrap{display:flex;align-items:center;position:relative}.field input,.field select{appearance:none;border:1px solid #374f6b;border-radius:10px;background:#0e1c30;width:100%;min-width:0;padding:13px 13px;height:47px;color:#f0f7ff;outline:none;font-weight:650;font-size:14px;transition:border-color .14s}.field input:hover,.field select:hover{border-color:#738faa}.field input:focus,.field select:focus{border-color:var(--accent);box-shadow:0 0 0 3px #65b7ff15}.field input[type=number]{padding-right:42px}.input-unit{position:absolute;right:13px;font-size:10px;color:#87a4bf;pointer-events:none;font-weight:750}.field .select-wrap:after{content:"⌄";position:absolute;right:13px;pointer-events:none;color:var(--accent);font-size:19px;top:8px}.field select{padding-right:28px}.input-note{border-top:1px solid var(--border);margin-top:22px;padding-top:18px;color:#92aac5;line-height:1.65;font-size:11px}.input-note b{color:#d3e1f2}.presets{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:22px}.preset-label{font-size:10px;color:#879fba;letter-spacing:1px;font-weight:800;width:100%;margin-bottom:2px}.preset-btn{font-size:11px;border:1px solid #3a506a;border-radius:30px;color:#a5bed8;padding:8px 13px;background:#1a2c45}.preset-btn:hover{border-color:var(--accent);color:var(--accent)}.result-panel{background:linear-gradient(160deg,#1b3049,#121e30 60%)}.result-top{padding:28px 27px 25px;background:radial-gradient(ellipse at 100% 0,#326491 0,transparent 64%);border-bottom:1px solid var(--border)}.result-top .mini-label{font-size:10px;letter-spacing:2px;font-weight:800;color:#a6c8ed}.result-hero{display:flex;gap:10px;align-items:baseline;flex-wrap:wrap;margin:16px 0 9px}.result-hero strong{font-size:clamp(38px,4.5vw,63px);line-height:1;letter-spacing:-2.5px;color:var(--accent);word-break:break-word}.result-hero small{font-size:14px;color:#bbd1e6;font-weight:730}.result-top p{line-height:1.7;color:#b3c8de;font-size:12px;margin:0}.result-metrics{display:grid;grid-template-columns:1fr 1fr;gap:12px;padding:22px}.metric{border-radius:11px;background:#0d1e32;border:1px solid #2b425f;padding:18px 14px;min-height:98px}.metric .metric-label{font-size:10px;color:#9bb3ce;line-height:1.4;margin-bottom:10px}.metric .metric-value{font-weight:850;font-size:20px;letter-spacing:-.6px;overflow-wrap:anywhere}.metric .metric-unit{font-size:10px;color:#8fa6c2;font-weight:500;margin-left:4px}.result-note{margin:0 22px 22px;padding:13px 15px;border-left:2px solid var(--accent);background:#223a59;color:#bdd5ed;font-size:11px;line-height:1.65;border-radius:0 7px 7px 0}.result-note.warn{border-color:var(--danger);color:#ecc4a7;background:#362a21}.result-actions{padding:0 22px 23px;display:flex;gap:9px;flex-wrap:wrap}.result-actions .btn-primary,.result-actions .btn-ghost{flex:1}.formula-block{border-top:1px solid var(--border);padding:0 23px}.formula-block summary{cursor:pointer;padding:18px 0;font-size:11px;font-weight:750;color:#98b2c8;display:flex;justify-content:space-between;list-style:none}.formula-block summary:after{content:'+';font-size:19px}.formula-block[open] summary:after{content:'−'}.formula-block p{color:#a8bcd4;font-size:11px;line-height:1.8;margin:0 0 18px}.viz-box{margin:20px 22px 22px;border:1px solid #375372;border-radius:13px;overflow:hidden;background:#0c192b}.viz-head{display:flex;justify-content:space-between;align-items:center;padding:13px 16px;color:#a0bddd;font-size:10px;letter-spacing:1px;font-weight:800}.viz-head span:last-child{color:#849fbc;font-size:9px;font-weight:600;letter-spacing:0}.viz-canvas-wrap{padding:12px 16px 18px;background:#0e2138}.viz-canvas-wrap canvas{display:block;width:100%;height:230px;border-radius:5px}.light-viz{display:grid;gap:10px;padding:16px 24px 28px;grid-template-columns:repeat(var(--cols),minmax(0,1fr));place-items:center;min-height:165px}.light-bulb{border:1px solid #65b7ff70;background:radial-gradient(circle,#e8f6ff 0,#8fd2ff 16%,#66a9ed5a 36%,transparent 75%);width:42px;height:42px;border-radius:50%;box-shadow:0 0 22px #65b7ff20}.saved-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.saved-card{background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:22px}.saved-card h3{margin:8px 0 9px;font-size:18px}.saved-card small{font-size:10px;color:#8ba6bf}.saved-card p{font-size:12px;line-height:1.6;color:#b5c8dc}.saved-card .saved-actions{display:flex;gap:9px;margin-top:19px}.empty{border:1px dashed #405d7b;border-radius:13px;padding:50px 20px;text-align:center;color:#a1b9d2}.empty .big{font-size:46px;margin-bottom:15px}.empty b{display:block;font-size:17px;color:#eaf5ff}.empty p{font-size:12px}.about-links{display:grid;gap:12px;margin-top:22px}.about-link{border:1px solid var(--border);padding:19px;border-radius:12px;display:flex;align-items:center;justify-content:space-between;gap:14px;background:var(--panel);color:#dfedfa;text-decoration:none;font-size:12px}.about-link:hover{border-color:var(--accent)}.about-link small{color:#90a9c2;display:block;margin-top:4px}.toast{position:fixed;bottom:26px;right:25px;z-index:100;background:var(--accent);color:#122c44;padding:12px 17px;border-radius:10px;box-shadow:0 12px 50px #0008;font-size:12px;font-weight:800;opacity:0;transform:translateY(16px);pointer-events:none;transition:opacity .2s,transform .2s}.toast.show{opacity:1;transform:translateY(0)}.mobile-close,.hamburger{display:none}.overlay{display:none}.tag{font-size:10px;padding:6px 10px;border:1px solid #456a91;border-radius:20px;background:#203a57;color:#65b7ff;font-weight:700}.backlink{border:0;background:transparent;color:#b9cde2;font-size:12px;font-weight:750;padding:0;cursor:pointer;margin-bottom:15px}.backlink:hover{color:var(--accent)}.calc-subtitle{font-size:11px;color:#80a5c7;letter-spacing:1px;font-weight:700}@media(min-width:1400px){.calc-grid{grid-template-columns:minmax(0,1fr) minmax(380px,.82fr)}}@media(max-width:1180px){.tool-grid{grid-template-columns:repeat(3,1fr)}.calc-grid{grid-template-columns:minmax(0,1fr) minmax(300px,1fr)}.panel-body{padding:20px}.result-metrics{padding:16px}}@media(max-width:920px){.sidebar{position:fixed;left:0;transform:translateX(-100%);transition:transform .24s;width:285px;box-shadow:10px 0 60px #0008}.sidebar.open{transform:translateX(0)}.overlay.show{display:block;position:fixed;inset:0;background:#0009;z-index:25}.mobile-close{display:block;margin-left:auto;border:0;background:transparent;color:var(--text);font-size:26px}.sidebar-top{display:flex;align-items:center}.hamburger{display:flex;flex-direction:column;gap:4px;width:34px;height:34px;justify-content:center;background:none;border:0;padding:6px}.hamburger span{display:block;height:2px;width:20px;background:#d5e5f4;border-radius:3px}.calc-grid{grid-template-columns:1fr}.tool-grid{grid-template-columns:repeat(2,1fr)}.result-panel{max-width:none}.calculator-heading{align-items:flex-start}}@media(max-width:580px){.topbar{height:59px;min-height:59px;padding:0 19px}.top-right .top-separator,.top-right #clockLabel{display:none}.top-right{font-size:8px;letter-spacing:.4px}.main-content{padding:25px 16px 36px}.hero{padding:27px 23px;min-height:250px}.hero .page-h1{font-size:clamp(38px,10vw,57px);letter-spacing:-2.5px}.hero::after{right:-230px}.hero .intro{font-size:12px}.hero-meta{font-size:10px;gap:14px}.section-row{margin-top:31px}.section-row h2{font-size:21px}.section-row p{display:none}.tool-grid{gap:10px}.tool-card,.tool-card.featured{min-height:196px;padding:15px;border-radius:13px}.tool-card-top{margin-bottom:13px}.tool-illus{width:70px;height:42px;border-radius:11px}.tool-card h3{font-size:15px}.tool-card p{font-size:10px;min-height:44px}.tool-card-foot{font-size:8px}.home-bottom{grid-template-columns:1fr}.calculator-heading{flex-direction:column;margin-bottom:23px}.calculator-heading h1{font-size:39px}.calculator-heading .btn-ghost{display:none}.field-grid{gap:12px}.panel-head{padding:18px}.panel-body{padding:17px}.field label{font-size:10px;line-height:1.4}.field input,.field select{height:45px;padding:10px 11px;font-size:13px}.field input[type=number]{padding-right:37px}.input-unit{right:10px}.result-hero strong{font-size:47px}.result-metrics{gap:9px}.metric{padding:14px 12px}.metric .metric-value{font-size:17px}.viz-canvas-wrap canvas{height:185px}.site-footer{padding:19px;font-size:9px}.saved-grid{grid-template-columns:1fr}.result-actions .btn-primary,.result-actions .btn-ghost{font-size:11px;padding:11px}}
@media print{.sidebar,.topbar,.site-footer,.result-actions,.presets,.backlink,.formula-block summary,.hamburger,.calc-panel:first-child .panel-head,.site-footer{display:none!important}.main-content{padding:0}.calc-grid{display:block}.calc-panel{break-inside:avoid;margin-bottom:15px}body{background:#fff;color:#000}.calc-panel{border-color:#aaa;background:#fff}.result-top,.result-panel{background:#fff}.result-hero strong{color:#000}.result-top p,.metric,.metric-value,.panel-title{color:#000}.metric{background:#fff}.field input,.field select{color:#000;background:white}.calculator-heading p{color:#555}}

/* Lighting options: designer chooses the number of points; app estimates lumen & watts per point. */
.lamp-choices{margin:0 22px 20px;border:1px solid #335d87;border-radius:13px;padding:16px;background:#0d243f}.lamp-choices-head{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px;margin-bottom:14px}.lamp-choices-head b{font-size:10px;letter-spacing:1.2px;color:#65b7ff}.lamp-choices-head small{color:#90b8db;font-size:10px}.lamp-choice-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px}.lamp-choice{display:flex;flex-direction:column;gap:7px;min-width:0;border:1px solid #354f70;border-radius:11px;background:#112b48;padding:13px 10px}.lamp-choice.recommended{border-color:#65b7ff;background:#243d5b}.lamp-choice-tag{font-weight:750;font-size:8px;letter-spacing:.65px;color:#afc8e3}.lamp-choice.recommended .lamp-choice-tag{color:#65b7ff}.lamp-choice strong{font-size:26px;letter-spacing:-1px;color:#f4f9ff}.lamp-choice>span:not(.lamp-choice-tag){font-size:11px;font-weight:650;color:#e5f1fc}.lamp-choice>small{font-size:10px;color:#a9c7e6}@media(max-width:580px){.lamp-choices{margin-left:14px;margin-right:14px;padding:12px}.lamp-choice-grid{gap:6px}.lamp-choice{padding:12px 8px}.lamp-choice strong{font-size:22px}.lamp-choice>span:not(.lamp-choice-tag){font-size:10px}}

/* Hitung Agent — all-blue design system */
.hero{background-image:radial-gradient(ellipse at 95% 0%,rgba(52,119,228,.23),transparent 50%),linear-gradient(145deg,rgba(20,38,64,.55),transparent)}
.tool-card.featured{background-image:linear-gradient(150deg,rgba(38,78,129,.30),rgba(17,30,50,.8))}
.brand-name>span{color:#7ac5ff}
@media(max-width:920px){.sidebar:not(.open){box-shadow:none;visibility:hidden}.sidebar.open{box-shadow:15px 0 45px #040e1eaa}}@media(max-width:580px){.tool-card p{font-size:11px;line-height:1.45}}

/* v3 documentation system */
.version{margin-top:0}.top-right{letter-spacing:1.35px;font-size:9px}
.calc-explanation{border-top:1px solid var(--border);padding:18px 20px 23px}
.guide-head{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}.guide-head>span{font-size:9px;color:var(--accent);font-weight:800;letter-spacing:1.5px}.guide-head strong{font-size:10px;color:#c5d7f1;border-radius:6px;border:1px solid #375778;padding:5px 9px;background:#163050}
.guide-warning{font-size:12px;line-height:1.75;color:var(--sub);margin:12px 0 14px}.guide-section{background:#0f2138;border:1px solid #294767;border-radius:10px;margin-top:10px;overflow:hidden}
.guide-section>summary,.input-explainer>summary{padding:14px;font-size:12px;font-weight:800;cursor:pointer;color:#d9eafa}
.guide-section>p:not(.guide-subheading){padding:0 14px;font-size:11px;line-height:1.7;color:var(--muted)}.guide-subheading{font-size:9px!important;letter-spacing:1.25px;font-weight:800;color:#80beff!important;margin:14px 0 8px!important;padding:0 14px}.actual-formula{font-size:12px;line-height:1.75;background:#0a192b;color:#dcecff;margin:0 13px 15px;padding:14px;border-radius:8px;overflow-wrap:anywhere}
.glossary{margin:0 13px 15px}.glossary>div{padding:10px 0;border-bottom:1px solid #28415d}.glossary>div:last-child{border:0}.glossary dt{font-weight:750;font-size:11px;color:#e5f3ff}.glossary dd{font-size:11px;color:#9eb6d0;margin:6px 0 0;line-height:1.65}
.ref-items{display:grid;gap:10px;margin:10px 0}.ref-item{text-decoration:none;border:1px solid #305075;border-radius:10px;background:#13263e;padding:13px 14px;display:flex;align-items:center;gap:15px;justify-content:space-between;color:#9fceff}.ref-item b{font-weight:750;display:block;color:#d9e9fa;font-size:12px;line-height:1.55}.ref-item small{color:#8caac9;font-size:10px;display:block;margin-top:4px;line-height:1.45}.guide-section .ref-items{margin:8px 13px 15px}.guide-section .result-note{margin:12px 13px 16px}.no-ref{font-size:11px;line-height:1.75;color:#9cb8d1;margin:12px 13px 16px}
.input-explainer{margin-top:13px;border:1px solid #2c4665;border-radius:11px;background:#102136}.input-explainer>summary{color:#91c8f9}.input-explainer-rows{padding:0 12px 12px;display:grid;gap:8px}.input-explainer-rows>div{display:grid;grid-template-columns:minmax(120px,40%) 1fr;border-top:1px solid #2b415c;padding:10px 0;gap:9px}.input-explainer-rows b{font-size:11px;font-weight:760;color:#e3efff}.input-explainer-rows span{font-size:11px;line-height:1.65;color:#a3bdd5}
.source-intro{padding:24px;border:1px solid #335375;background:#10253d;border-radius:16px;margin-bottom:20px}.source-intro h3{margin:0 0 18px;font-size:18px}.source-trio{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.source-trio>div{background:#0c1e32;padding:15px;border-radius:10px;border:1px solid #2a4662}.source-trio b{font-size:12px;color:#90caff}.source-trio p{font-size:11px;line-height:1.6;color:#aac0d8;margin:6px 0 0}.source-final{font-size:12px;color:#9bb5d1;line-height:1.8;margin:15px 0 35px}
@media(max-width:700px){.source-trio{grid-template-columns:1fr}.source-intro{padding:15px}.guide-head strong{font-size:9px}.calc-explanation{padding:14px}.input-explainer-rows>div{grid-template-columns:1fr;gap:2px}.top-right{font-size:8px;letter-spacing:.4px}}

/* v3.1 — no decorative brand icon */
.brand{gap:0}.brand-name{font-size:22px;letter-spacing:-1.1px}.brand-name small{font-size:8px;letter-spacing:2px}.sidebar-top{padding-top:36px}
.audit-banner{border:1px solid #3b6083;border-left:3px solid var(--accent);background:#12283f;border-radius:12px;padding:16px 18px;margin-bottom:15px}
.audit-banner strong{font-size:13px;color:#d4eaff;display:block}.audit-banner p{font-size:11px;color:#aec6dd;line-height:1.75;margin:6px 0 0}
.source-proof{padding:0 14px 14px;font-size:11px;color:#aaccdf;line-height:1.65}.source-proof strong{color:#d9eaff}.source-proof>span{display:block;padding:5px 0}
.source-table{overflow-x:auto;border:1px solid #2c4968;border-radius:12px;margin:16px 0 27px}.source-table table{border-collapse:collapse;width:100%;min-width:720px}.source-table th{font-size:10px;letter-spacing:.3px;color:#86c3fd;background:#0c243c;text-align:left;padding:12px;border-bottom:1px solid #385375}.source-table td{font-size:11px;color:#bdd1e7;vertical-align:top;padding:12px;border-bottom:1px solid #263c55;line-height:1.65}.source-table tr:last-child td{border:0}.source-table td:first-child{color:#e3f1fc;font-weight:740}.source-table a{font-weight:700}.source-table small{display:block;color:#85a3c4;margin-top:2px}.audit-heading{font-size:18px;margin:26px 0 10px}.proof-label{font-size:9px;color:#9ecaf7;letter-spacing:1px;text-transform:uppercase;margin-top:14px;display:block}

/* Professional Workspace */
.project-strip,.project-summary,.project-home-shortcut{border:1px solid #365574;border-radius:15px;background:#15263c;padding:18px 22px;display:flex;align-items:center;gap:16px;justify-content:space-between;margin:18px 0 24px;flex-wrap:wrap}.project-strip b,.project-summary b,.project-home-shortcut strong{display:block;font-size:16px}.project-strip small,.project-home-shortcut span{color:#a7bfd8;display:block;margin-top:6px}.project-summary h2{font-size:24px;margin:8px 0}.project-summary p{color:#b1c5da}.project-form{display:grid;grid-template-columns:1fr 1fr auto;gap:12px;align-items:end;border:1px solid #304760;border-radius:14px;padding:20px;margin-bottom:14px;background:#121f32}.project-form label{display:grid;gap:9px;color:#adcae6;font-size:11px;font-weight:700}.project-form input,.project-form select{min-width:0;width:100%;background:#0c192b;color:#e7f3ff;border:1px solid #3e5877;border-radius:9px;padding:12px;font-size:13px}.project-actions{display:flex;gap:9px;flex-wrap:wrap}.project-entries{display:grid;gap:9px}.project-entry{display:flex;align-items:center;gap:10px;border:1px solid #334963;background:#13243a;padding:16px;border-radius:12px}.project-entry>div{flex:1;min-width:0;display:grid;gap:4px}.project-entry small{color:#83aac9}.project-entry b{font-size:14px}.project-entry span{color:#afd4f3;font-size:12px}.empty-small{border:1px dashed #486082;border-radius:13px;padding:28px;color:#a9bfd4}.schedule-scroll{overflow-x:auto;border:1px solid #344e6c;border-radius:14px}.schedule-table{width:100%;border-collapse:collapse;min-width:620px}.schedule-table th,.schedule-table td{text-align:left;border-bottom:1px solid #324760;padding:13px;vertical-align:top;font-size:12px}.schedule-table th{background:#1d3652;color:#a9d8ff}.schedule-table td{color:#d7e5f4}.schedule-note{color:#9eb4cd;font-size:12px;line-height:1.7}@media(max-width:700px){.project-form{grid-template-columns:1fr}.project-summary,.project-strip{align-items:stretch}.project-entry{flex-wrap:wrap}}


/* Hitung Agent Pro v4.1 — appearance toggle */
.theme-switch{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:34px;padding:7px 12px;color:#d3eaff;border:1px solid #425a79;border-radius:10px;background:#1b2e48;font-size:11px;font-weight:750;letter-spacing:.1px;white-space:nowrap}
.theme-switch:hover{border-color:var(--accent)}.theme-switch-icon{font-size:16px;line-height:1}.theme-switch:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
@media(max-width:580px){.theme-switch{padding:7px 10px}.top-info-label{display:none}}
html[data-theme="light"]{color-scheme:light;--bg:#f4f8fd;--panel:#fff;--panel2:#edf3fb;--border:#d5e0ec;--accent:#1668ba;--muted:#62758d;--text:#16273b;--sub:#344c64;--soft:#eaf2fd;--danger:#b14e37}
html[data-theme="light"] body{background:var(--bg);color:var(--text)}
html[data-theme="light"] .sidebar{background:#fff;border-color:#dce5ef}
html[data-theme="light"] .main,html[data-theme="light"] .topbar,html[data-theme="light"] .site-footer{background:#f4f8fd;border-color:#d9e2ed}
html[data-theme="light"] .crumb,html[data-theme="light"] .top-right,html[data-theme="light"] .site-footer,html[data-theme="light"] .version{color:#58718b}
html[data-theme="light"] .crumb strong,html[data-theme="light"] .page-h1,html[data-theme="light"] .section-row h2,html[data-theme="light"] .calculator-heading h1{color:#172a40}
html[data-theme="light"] .brand-name,html[data-theme="light"] .nav-item,html[data-theme="light"] .intro,html[data-theme="light"] .section-row p{color:#34465b}
html[data-theme="light"] .brand-name>span{color:#1668ba}
html[data-theme="light"] .sidebar-search{background:#f0f5fb;border-color:#d4dfeb;color:#536d88}
html[data-theme="light"] .sidebar-search input,html[data-theme="light"] .sidebar-search input::placeholder{color:#5d748d}
html[data-theme="light"] .nav-head,html[data-theme="light"] .nav-count,html[data-theme="light"] .nav-item .nav-icon{color:#47617c}
html[data-theme="light"] .nav-item:hover{background:#ecf4fd;color:#163b64}
html[data-theme="light"] .nav-item.active{background:#1668ba;color:#fff}
html[data-theme="light"] .nav-item.active .nav-icon{color:#fff;border-color:#aad6ff}
html[data-theme="light"] .nav-item .nav-icon{border-color:#c6d6e5}
html[data-theme="light"] .hamburger span{background:#254762}
html[data-theme="light"] .mobile-close{color:#18304c}
html[data-theme="light"] .theme-switch{background:#e8f2ff;color:#165797;border-color:#b9d4ef}
html[data-theme="light"] .hero{background:radial-gradient(ellipse at 90% 16%,#d5e8fe 0%,transparent 48%),linear-gradient(135deg,#fff,#ecf4ff);border-color:#c9ddf1}
html[data-theme="light"] .hero::after{opacity:.11}
html[data-theme="light"] .hero .intro,html[data-theme="light"] .hero-meta{color:#46627e}
html[data-theme="light"] .tool-card,html[data-theme="light"] .calc-panel,html[data-theme="light"] .info-panel,html[data-theme="light"] .saved-card{background:#fff;color:#1b3048;border-color:#d6e1ed}
html[data-theme="light"] .tool-card.featured{background:linear-gradient(160deg,#ffffff,#f0f7ff)}
html[data-theme="light"] .tool-card:hover{background:#f0f7ff;border-color:#8bbbe8}
html[data-theme="light"] .tool-card h3,html[data-theme="light"] .info-panel h3,html[data-theme="light"] .saved-card h3,html[data-theme="light"] .panel-title{color:#1b3048}
html[data-theme="light"] .tool-card p,html[data-theme="light"] .info-panel p,html[data-theme="light"] .saved-card p,html[data-theme="light"] .tool-card-foot{color:#5a7088}
html[data-theme="light"] .tool-card-index,html[data-theme="light"] .tool-card-foot .arrow{border-color:#b8d1e9}
html[data-theme="light"] .tool-illus{background:#eff6ff;border-color:#c3daee}
html[data-theme="light"] .tool-illus .i,html[data-theme="light"] .tool-illus .if{stroke:#2772b5}
html[data-theme="light"] .tool-illus .dot{fill:#2772b5}
html[data-theme="light"] .category-chip{background:#fff;color:#536a82;border-color:#cedceb}
html[data-theme="light"] .category-chip:hover,html[data-theme="light"] .category-chip.active{background:#1668ba;color:#fff;border-color:#1668ba}
html[data-theme="light"] .panel-head,html[data-theme="light"] .formula-block{border-color:#d9e3ed}
html[data-theme="light"] .panel-kicker,html[data-theme="light"] .field small,html[data-theme="light"] .field label,html[data-theme="light"] .input-note,html[data-theme="light"] .formula-block summary,html[data-theme="light"] .formula-block p{color:#4d6580}
html[data-theme="light"] .field input,html[data-theme="light"] .field select,html[data-theme="light"] .project-form input,html[data-theme="light"] .project-form select{background:#fff;border-color:#bdcddd;color:#1c344d}
html[data-theme="light"] .input-unit{color:#607d98}
html[data-theme="light"] .input-note{border-color:#d8e2ee}
html[data-theme="light"] .preset-btn{background:#edf5ff;border-color:#c6dbea;color:#215f9e}
html[data-theme="light"] .btn-ghost,html[data-theme="light"] .btn-small{background:#edf4fc;color:#244c72;border-color:#bfd2e6}
html[data-theme="light"] .btn-primary{background:#1668ba;border-color:#1668ba;color:#fff}
html[data-theme="light"] .result-panel{background:#fff}
html[data-theme="light"] .result-top{background:radial-gradient(ellipse at 98% 0%,#d7ebfe 0%,#eef6ff 65%);border-color:#d0e0ee}
html[data-theme="light"] .result-top .mini-label,html[data-theme="light"] .result-top p,html[data-theme="light"] .result-hero small{color:#425c77}
html[data-theme="light"] .metric{background:#f2f7fd;border-color:#d5e2ee}
html[data-theme="light"] .metric .metric-label,html[data-theme="light"] .metric .metric-unit{color:#5a7188}
html[data-theme="light"] .metric .metric-value{color:#1b344d}
html[data-theme="light"] .result-note{background:#eaf4ff;color:#345c80}
html[data-theme="light"] .result-note.warn{background:#fff1e8;color:#855037}
html[data-theme="light"] .viz-box,html[data-theme="light"] .viz-canvas-wrap{background:#edf4fc;border-color:#d3e0ec}
html[data-theme="light"] .viz-head,html[data-theme="light"] .viz-head span:last-child{color:#56718a}
html[data-theme="light"] .about-link,html[data-theme="light"] .project-form,html[data-theme="light"] .project-entry,html[data-theme="light"] .project-strip,html[data-theme="light"] .project-summary,html[data-theme="light"] .project-home-shortcut{background:#fff;border-color:#d3e0ec;color:#1c344b}
html[data-theme="light"] .about-link small,html[data-theme="light"] .project-form label,html[data-theme="light"] .project-entry small,html[data-theme="light"] .project-entry span,html[data-theme="light"] .project-strip small,html[data-theme="light"] .project-summary p,html[data-theme="light"] .project-home-shortcut span,html[data-theme="light"] .schedule-note,html[data-theme="light"] .empty-small{color:#536e87}
html[data-theme="light"] .schedule-scroll,html[data-theme="light"] .schedule-table th,html[data-theme="light"] .schedule-table td{border-color:#d7e2ee}
html[data-theme="light"] .schedule-table th{background:#e5f1ff;color:#235c92}
html[data-theme="light"] .schedule-table td{background:#fff;color:#2c455d}
html[data-theme="light"] .empty,html[data-theme="light"] .empty-small{background:#fff;color:#58718a;border-color:#b5cddd}
html[data-theme="light"] .empty b{color:#1d354f}
html[data-theme="light"] .tag{background:#e9f4ff;color:#176bb4;border-color:#b8d9f3}
html[data-theme="light"] .backlink,html[data-theme="light"] .calc-subtitle{color:#3a668d}
html[data-theme="light"] .toast{background:#1668ba;color:#fff}
@media print{.theme-switch{display:none!important}}

/* ===================== v5.0 additions ===================== */
.field input.num{padding-right:46px}
.field textarea{appearance:none;border:1px solid #374f6b;border-radius:10px;background:#0e1c30;width:100%;padding:12px 13px;color:#f0f7ff;font:inherit;font-size:13px;line-height:1.6;resize:vertical;outline:none}
.field textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px #65b7ff15}
.input-wrap.invalid input{border-color:var(--danger)!important;box-shadow:0 0 0 3px #e9af8022}
.input-wrap.invalid .input-unit{color:var(--danger)}
/* recent + callout */
.recent-row{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin:22px 0 0}
.recent-chips{display:flex;gap:8px;flex-wrap:wrap}
.recent-chip{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--border);background:var(--panel);color:var(--text);border-radius:999px;padding:7px 13px 7px 8px;font-size:11.5px;font-weight:650}
.recent-chip b{font-size:9.5px;color:var(--accent);border:1px solid var(--border);border-radius:999px;padding:2px 6px}
.recent-chip:hover{border-color:var(--accent)}
.setup-callout{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;border:1px dashed #4a6c90;border-radius:15px;padding:16px 20px;margin:-8px 0 8px;background:transparent}
.setup-callout strong{display:block;font-size:14px}.setup-callout span{display:block;color:var(--muted);font-size:12px;margin-top:4px}
/* room chips */
.room-chips{display:flex;gap:7px;flex-wrap:wrap;margin-top:10px}
.room-chip{border:1px solid var(--border);background:transparent;color:var(--sub);border-radius:999px;padding:6px 12px;font-size:11px;font-weight:650}
.room-chip.active{background:var(--accent);border-color:var(--accent);color:#0c213d;font-weight:800}
.room-chip.add{border-style:dashed;color:var(--accent)}
.room-chip:hover{border-color:var(--accent)}
.room-group-head{font-size:11px;font-weight:850;letter-spacing:1.4px;text-transform:uppercase;color:var(--accent);margin:14px 2px 2px}
.room-group-head small{color:var(--muted);letter-spacing:0;text-transform:none;font-weight:600;margin-left:6px}
.move-room{background:var(--panel);color:var(--text);border:1px solid var(--border);border-radius:8px;padding:8px;font-size:11px;max-width:150px}
.project-edit{border:1px solid var(--border);border-radius:14px;padding:14px 18px;margin:-10px 0 18px;background:var(--panel)}
.project-edit summary{cursor:pointer;font-weight:750;font-size:12.5px;color:var(--sub)}
.project-edit-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:14px 0}
.project-edit label{display:grid;gap:7px;font-size:11px;font-weight:700;color:var(--muted)}
.project-edit input,.extra-grid input,.rab-toolbar input{min-width:0;width:100%;background:#0c192b;color:#e7f3ff;border:1px solid #3e5877;border-radius:9px;padding:11px;font-size:13px}
.backup-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;border-top:1px solid var(--border);margin-top:26px;padding-top:18px}
.backup-row>div{flex:1;min-width:220px}.backup-row b{display:block;font-size:13px}.backup-row small{color:var(--muted);font-size:11px}
/* buy box on result */
.buy-box{margin:0 22px 16px;border:1px solid #2f5579;border-radius:12px;background:#0f2238;padding:12px 14px}
.buy-head{display:flex;justify-content:space-between;gap:10px;align-items:baseline;flex-wrap:wrap;margin-bottom:6px}
.buy-head b{font-size:9.5px;letter-spacing:1.6px;color:var(--accent)}.buy-head small{font-size:10px;color:var(--muted)}
.buy-row{display:flex;justify-content:space-between;gap:12px;padding:7px 0;border-top:1px solid #23405e;font-size:12px;color:var(--sub)}
.buy-row b{color:var(--text);white-space:nowrap}
.result-actions{display:grid;grid-template-columns:1fr 1fr;gap:9px}
.result-actions .btn-primary,.result-actions .btn-ghost{width:100%}
/* RAB */
.rab-toolbar{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin:0 0 14px}
.rab-toolbar label{display:flex;align-items:center;gap:8px;font-size:11.5px;font-weight:700;color:var(--muted)}
.rab-toolbar .pct{display:inline-flex;align-items:center;gap:5px;color:var(--text)}
.rab-toolbar .pct input{width:64px;text-align:right;padding:8px}
.seg{display:inline-flex;border:1px solid var(--border);border-radius:11px;padding:3px;background:var(--panel);margin-right:auto}
.seg button{border:0;background:transparent;color:var(--sub);padding:8px 13px;border-radius:8px;font-size:11.5px;font-weight:700}
.seg button.active{background:var(--accent);color:#0c213d}
.rab-table{min-width:760px}
.rab-table td.num,.rab-table th.num{text-align:right;white-space:nowrap}
.rab-table .item-name{display:block;font-weight:700;color:var(--text)}
.rab-table td small{display:block;color:var(--muted);font-size:10.5px;margin-top:3px}
.rab-table tr.room-row td{background:#132b45;color:#cfe6ff;font-size:11.5px;letter-spacing:.3px}
.rab-table tr.excluded td{opacity:.45}
.price-input{width:100%;min-width:120px;text-align:right;background:#0c192b;color:#e7f3ff;border:1px solid #3e5877;border-radius:8px;padding:9px 10px;font-size:13px;font-weight:650}
.price-input:focus{outline:none;border-color:var(--accent)}
.icon-btn{border:1px solid var(--border);background:transparent;color:var(--muted);width:28px;height:28px;border-radius:8px;font-size:16px;line-height:1}
.icon-btn:hover{color:var(--danger);border-color:var(--danger)}
.extra-form{border:1px dashed #486082;border-radius:14px;padding:14px 16px;margin:14px 0}
.extra-form>b{font-size:12.5px}.extra-form>small{color:var(--muted);font-size:11px;margin-left:8px}
.extra-grid{display:grid;grid-template-columns:1.1fr 2fr .8fr .8fr 1.1fr auto;gap:8px;margin-top:10px}
.rab-bottom{display:flex;gap:18px;justify-content:space-between;align-items:flex-start;flex-wrap:wrap;margin:18px 0 8px}
.rab-exports{display:flex;gap:9px;flex-wrap:wrap}
.rab-totals{min-width:min(100%,360px);border:1px solid var(--border);border-radius:14px;background:var(--panel);padding:8px 16px 14px}
.rab-totals>div{display:flex;justify-content:space-between;gap:16px;padding:9px 0;border-bottom:1px solid var(--border);font-size:12.5px;color:var(--sub)}
.rab-totals>div b{color:var(--text)}
.rab-totals .grand{border-bottom:0;font-size:15px}.rab-totals .grand span{font-weight:850;color:var(--text)}.rab-totals .grand b{color:var(--accent);font-size:18px}
.rab-totals small{display:block;color:var(--muted);font-size:11px;line-height:1.5;font-style:italic}
/* settings */
.settings-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.settings-actions{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0}
.logo-box{display:flex;gap:16px;align-items:center;flex-wrap:wrap}
.logo-box img{max-width:160px;max-height:80px;border-radius:10px;background:#fff;padding:6px;border:1px solid var(--border)}
.logo-empty{display:grid;place-items:center;width:160px;height:80px;border:1px dashed var(--border);border-radius:10px;color:var(--muted);font-size:11px}
.logo-box small{display:block;color:var(--muted);font-size:10.5px;margin-top:8px}
/* update bar */
.update-bar{position:fixed;left:50%;bottom:22px;transform:translateX(-50%);z-index:120;display:flex;gap:14px;align-items:center;background:#16314f;border:1px solid var(--accent);color:var(--text);padding:10px 12px 10px 18px;border-radius:12px;box-shadow:0 12px 50px #0008;font-size:12px;font-weight:650}
@media(max-width:920px){.settings-grid{grid-template-columns:1fr}.extra-grid{grid-template-columns:1fr 1fr}.extra-grid input:nth-child(3){grid-column:1/-1}}
@media(max-width:580px){.result-actions{padding:0 14px 18px}.buy-box{margin:0 14px 14px}.project-edit-grid{grid-template-columns:1fr}.rab-toolbar{gap:10px}.seg{width:100%}.seg button{flex:1}.rab-exports{width:100%}.rab-exports button{flex:1 1 45%}.recent-row .eyebrow{width:100%}.field input.num{padding-right:40px}.project-entry{flex-wrap:wrap}.move-room{max-width:none;flex:1}}
/* light theme */
html[data-theme="light"] .field textarea,html[data-theme="light"] .project-edit input,html[data-theme="light"] .extra-grid input,html[data-theme="light"] .rab-toolbar input,html[data-theme="light"] .price-input{background:#fff;color:#16273b;border-color:#c9d6e5}
html[data-theme="light"] .buy-box{background:#f2f8ff;border-color:#cfe0f3}
html[data-theme="light"] .buy-row{border-color:#dbe7f4}
html[data-theme="light"] .rab-table tr.room-row td{background:#eaf3ff;color:#1d4f80}
html[data-theme="light"] .room-chip.active,html[data-theme="light"] .seg button.active{color:#fff}
html[data-theme="light"] .update-bar{background:#fff;color:#16273b}
html[data-theme="light"] .setup-callout{border-color:#b8cde4}
@media print{.update-bar,.rab-exports,.extra-form,.seg{display:none!important}}
/* RAB: tata letak kartu di HP agar harga bisa diisi tanpa geser horizontal */
@media(max-width:700px){
.schedule-scroll:has(.rab-table){overflow:visible}
.rab-table{min-width:0;display:block}.rab-table thead{display:none}.rab-table tbody{display:block}
.rab-table tr{display:grid;grid-template-columns:26px auto auto 1fr 30px;align-items:center;gap:6px 8px;padding:12px;border-bottom:1px solid var(--border)}
.rab-table td{border:0!important;padding:0!important;background:transparent!important}
.rab-table tr>td:nth-child(1){grid-column:1;grid-row:1}
.rab-table tr>td:nth-child(2){grid-column:2/6;grid-row:1}
.rab-table tr>td:nth-child(3){grid-column:2;grid-row:2;font-weight:800;color:var(--text)}
.rab-table tr>td:nth-child(4){grid-column:3;grid-row:2;color:var(--muted)}
.rab-table tr>td:nth-child(5){grid-column:4;grid-row:2}
.rab-table tr>td:nth-child(6){grid-column:2/6;grid-row:3;text-align:right;font-weight:800;color:var(--accent)}
.rab-table tr>td:nth-child(7){grid-column:5;grid-row:2}
.rab-table tr.room-row{grid-template-columns:1fr auto;background:#132b45}
.rab-table tr.room-row>td:nth-child(1){grid-column:1}.rab-table tr.room-row>td:nth-child(2){grid-column:2;grid-row:1;color:var(--text)}.rab-table tr.room-row>td:nth-child(3){display:none}
.rab-table tr>td[colspan="8"]{grid-column:1/-1}
.price-input{min-width:0}
html[data-theme="light"] .rab-table tr.room-row{background:#eaf3ff}
}

/* ===================== v5.2 — keterbacaan, tema terang, target sentuh ===================== */
/* ukuran huruf minimum: label penting ≥ 11px, label dekoratif ≥ 9.5px */
.eyebrow,.preset-label,.metric .metric-label,.metric .metric-unit,.input-unit,.crumb,.crumb strong,.result-top .mini-label{font-size:11px}
.panel-kicker,.nav-head,.version,.top-info-label,.viz-head,.guide-head>span,.guide-head strong,.guide-subheading,.lamp-choices-head b,.lamp-choices-head small{font-size:10px!important}
.brand-name small{font-size:9px}.lamp-choice-tag{font-size:9.5px}.tool-card-foot{font-size:9.5px}.tool-card-index{font-size:11px}
.backlink{padding:8px 0;min-height:36px}
.footer-link{background:none;border:0;padding:4px 0;color:var(--accent);font:inherit;cursor:pointer;text-decoration:underline;text-underline-offset:3px}
@media(max-width:580px){.tool-card p{font-size:11px}.tool-card-foot{font-size:9.5px}.crumb,.crumb strong{font-size:10.5px}.nav-item{min-height:44px}.btn-small{min-height:40px}.room-chip,.recent-chip{min-height:36px}}
/* halaman S&K */
.terms{display:grid;gap:12px;max-width:860px}
.terms-sec{border:1px solid var(--border);border-radius:14px;background:var(--panel);padding:16px 20px}
.terms-sec h3{margin:0 0 6px;font-size:15px}.terms-sec p{margin:0;color:var(--sub);font-size:13px;line-height:1.75}
.terms-bar{max-width:min(760px,calc(100% - 32px));flex-wrap:wrap;line-height:1.5}
.terms-bar span{flex:1 1 260px}
/* ---- tema terang: komponen yang sebelumnya masih berwarna gelap ---- */
html[data-theme="light"]{--muted:#566a82}
html[data-theme="light"] .slash{color:#566a82}
html[data-theme="light"] .audit-banner{background:#eef5fd;border-color:#c9dbef}
html[data-theme="light"] .audit-banner strong{color:#16273b}html[data-theme="light"] .audit-banner p{color:#344c64}
html[data-theme="light"] .source-intro{background:#fff;border-color:var(--border)}html[data-theme="light"] .source-intro h3{color:#16273b}
html[data-theme="light"] .source-trio>div{background:#f4f8fd;border-color:var(--border)}html[data-theme="light"] .source-trio b{color:#1668ba}html[data-theme="light"] .source-trio p{color:#344c64}
html[data-theme="light"] .source-final{color:#465d75}
html[data-theme="light"] .source-table{border-color:var(--border)}
html[data-theme="light"] .source-table th{background:#e5f1ff;color:#1d4f80;border-color:var(--border)}
html[data-theme="light"] .source-table td{background:#fff;color:#344c64;border-color:#e3eaf3}
html[data-theme="light"] .source-table td:first-child{color:#16273b}html[data-theme="light"] .source-table small{color:#566a82}
html[data-theme="light"] .input-explainer{background:#f4f8fd;border-color:var(--border)}html[data-theme="light"] .input-explainer>summary{color:#1668ba}
html[data-theme="light"] .input-explainer-rows>div{border-color:#dde6f0}html[data-theme="light"] .input-explainer-rows b{color:#16273b}html[data-theme="light"] .input-explainer-rows span{color:#465d75}
html[data-theme="light"] .input-note{color:#465d75}html[data-theme="light"] .input-note b{color:#16273b}
html[data-theme="light"] .preset-label{color:#566a82}html[data-theme="light"] .preset-btn{background:#fff;border-color:#c9d6e5;color:#344c64}
html[data-theme="light"] .guide-head strong{background:#e5f1ff;color:#1d4f80;border-color:#c9dbef}
html[data-theme="light"] .guide-section{background:#f4f8fd;border-color:var(--border)}html[data-theme="light"] .guide-section>summary{color:#16273b}
html[data-theme="light"] .guide-subheading{color:#1668ba!important}
html[data-theme="light"] .actual-formula{background:#fff;color:#16273b;border:1px solid var(--border)}
html[data-theme="light"] .glossary>div{border-color:#dde6f0}html[data-theme="light"] .glossary dt{color:#16273b}html[data-theme="light"] .glossary dd{color:#465d75}
html[data-theme="light"] .ref-item{background:#fff;border-color:var(--border);color:#1668ba}html[data-theme="light"] .ref-item b{color:#16273b}html[data-theme="light"] .ref-item small{color:#566a82}
html[data-theme="light"] .no-ref{color:#465d75}
html[data-theme="light"] .source-proof{color:#465d75}html[data-theme="light"] .source-proof strong{color:#16273b}
html[data-theme="light"] .lamp-choices{background:#f2f8ff;border-color:#cfe0f3}html[data-theme="light"] .lamp-choices-head b{color:#1668ba}html[data-theme="light"] .lamp-choices-head small{color:#566a82}
html[data-theme="light"] .lamp-choice{background:#fff;border-color:#d5e0ec}html[data-theme="light"] .lamp-choice.recommended{background:#e5f1ff;border-color:#1668ba}
html[data-theme="light"] .lamp-choice-tag{color:#465d75}html[data-theme="light"] .lamp-choice.recommended .lamp-choice-tag{color:#1668ba}
html[data-theme="light"] .lamp-choice strong{color:#16273b}html[data-theme="light"] .lamp-choice>span:not(.lamp-choice-tag){color:#344c64}html[data-theme="light"] .lamp-choice>small{color:#566a82}
html[data-theme="light"] .terms-sec p{color:#344c64}
html[data-theme="light"] .input-unit{color:#4f647c}
.calculator-heading .eyebrow .slash{padding:0 8px}
.site-footer .footer-link{font-size:11px}
@media(max-width:580px){.crumb-prefix{display:none}
.update-bar{left:12px;right:12px;bottom:12px;transform:none;flex-wrap:wrap;gap:10px;padding:12px 14px}
.terms-bar span{flex:1 1 100%;font-size:12px;font-weight:600}.terms-bar button{flex:1}}

/* ===================== v5.3 — kompatibilitas perangkat ===================== */
/* dropdown: awalan untuk Safari/iOS < 15.4 */
.field select,.move-room,.project-form select{-webkit-appearance:none;appearance:none}
/* tinggi layar dinamis (toolbar Safari/Chrome HP tidak memotong menu) */
.app-shell,.main{min-height:100vh;min-height:100dvh}
.sidebar{height:100vh;height:100dvh}
/* notch / status bar / home indicator saat di-install (iPhone, iPad, Android) */
.topbar{padding-top:env(safe-area-inset-top);height:calc(68px + env(safe-area-inset-top));min-height:calc(68px + env(safe-area-inset-top))}
.sidebar-top{padding-top:calc(32px + env(safe-area-inset-top))}
.sidebar-bottom{padding-bottom:calc(25px + env(safe-area-inset-bottom))}
.main-content,.topbar,.site-footer{padding-left:max(clamp(21px,4.2vw,60px),env(safe-area-inset-left));padding-right:max(clamp(21px,4.2vw,60px),env(safe-area-inset-right))}
.site-footer{padding-bottom:calc(22px + env(safe-area-inset-bottom))}
.toast{bottom:calc(26px + env(safe-area-inset-bottom))}
@media(max-width:580px){.topbar{height:calc(59px + env(safe-area-inset-top));min-height:calc(59px + env(safe-area-inset-top));padding-left:max(19px,env(safe-area-inset-left));padding-right:max(19px,env(safe-area-inset-right))}.update-bar{bottom:calc(12px + env(safe-area-inset-bottom))}}
/* iPhone/iPad: Safari otomatis zoom bila font input < 16px → paksa 16px khusus iOS */
@supports (-webkit-touch-callout:none){
 .field input,.field select,.field textarea,.price-input,.project-form input,.project-form select,.project-edit input,.extra-grid input,.rab-toolbar input,.move-room,.room-new-input,.sidebar-search input{font-size:16px!important}
}
/* sentuhan: tanpa jeda ketuk ganda & sorot abu-abu */
button,a,input,select,textarea,.nav-item,.tool-card{touch-action:manipulation;-webkit-tap-highlight-color:transparent}
/* kolom ruangan baru */
.room-new{display:inline-flex;gap:6px;flex-wrap:wrap;align-items:center}
.room-new-input{min-width:160px;background:var(--panel);color:var(--text);border:1px solid var(--accent);border-radius:999px;padding:7px 12px;font-size:12px;outline:none}
/* tablet: grid kartu & kalkulator */
@media(min-width:700px) and (max-width:1180px){.tool-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(min-width:581px) and (max-width:699px){.tool-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
.result-actions .btn-primary,.result-actions .btn-ghost{white-space:normal;text-align:center;line-height:1.3;min-height:44px}

/* ===================== v5.4 — ikon kalkulator ===================== */
.tool-illus svg{width:30px;height:30px}
.tool-illus .i{stroke-width:1.6}
.tool-illus .f{fill:#65b7ff;opacity:.22;stroke:none}
html[data-theme="light"] .tool-illus .f{fill:#1668ba;opacity:.14}
.tool-card:hover .tool-illus .f{opacity:.34}
@media(max-width:580px){.tool-illus svg{width:26px;height:26px}}
.ref-item.ref-nolink{cursor:default}
.ref-item.ref-nolink>span:last-child{color:var(--muted)}