/* ARC Design System v1.6 — source-independent, mobile-first components. */
:root{--v16-blue:#8cb9ff;--v16-blue-soft:rgba(104,166,255,.17);--v16-border:rgba(155,185,234,.17);--v16-panel:#111c30;--v16-safe-bottom:env(safe-area-inset-bottom,0px);--v16-ease:cubic-bezier(.2,.8,.2,1)}
.arc-v16-overline{font-size:10px;font-weight:750;letter-spacing:.16em;color:#98b9e8;text-transform:uppercase}
/* Konsta + Framework7-informed mobile tab navigation; original markup & CSS. */
.arc-mobile-dock{display:none}
.arc-v16-sheet-open{overflow:hidden}
.arc-v16-drawer-backdrop,.arc-v16-help-backdrop{position:fixed;inset:0;z-index:101;background:rgba(1,5,15,.72);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);display:grid;align-items:end;justify-content:center}
.arc-v16-drawer{width:min(100%,560px);max-height:min(88dvh,800px);display:flex;flex-direction:column;border-radius:26px 26px 0 0;border:1px solid rgba(173,203,253,.24);background:linear-gradient(145deg,#18253a,#09111f 70%);padding:9px 22px calc(18px + var(--v16-safe-bottom));box-shadow:0 -24px 80px #0008;animation:arc-v16-sheet-in .32s var(--v16-ease)}
.arc-v16-sheet-handle{width:37px;height:4px;border-radius:99px;background:#7588a7;margin:1px auto 16px;opacity:.68}
.arc-v16-drawer-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:15px}.arc-v16-drawer-head h2{font-size:23px;margin:3px 0 0;letter-spacing:-.04em}
.arc-v16-close,.arc-v16-help header button{border:1px solid #ffffff26;width:39px;height:39px;border-radius:50%;background:#ffffff0c;color:#e4f1ff;font-size:25px;cursor:pointer}
.arc-v16-search-label{display:flex;gap:12px;align-items:center;border:1px solid #9bbaf331;border-radius:15px;padding:0 14px;background:#ffffff0a;color:#a6bce1;font-size:23px}
.arc-v16-search-label:focus-within{border-color:#91bcff;box-shadow:0 0 0 3px #6fafff21}.arc-v16-search-label input{width:100%;height:48px;border:0;outline:0;background:transparent;color:#f0f7ff;font-size:15px}
.arc-v16-drawer-list{min-height:60px;max-height:52dvh;overflow-y:auto;margin:14px 0 0;display:grid;gap:5px;overscroll-behavior:contain}
.arc-v16-drawer-item{border:1px solid transparent;border-radius:13px;padding:12px 15px;min-height:48px;display:flex;justify-content:space-between;align-items:center;text-align:left;background:#ffffff09;color:#e2edff;font-size:14px;cursor:pointer;animation:arc-v16-row-in .28s both;animation-delay:calc(var(--arc-index) * 22ms)}
.arc-v16-drawer-item:hover,.arc-v16-drawer-item:focus-visible{background:#90bfff18;border-color:#a7caff2e}.arc-v16-drawer-item span:last-child{color:#a9cfff}
.arc-v16-no-results{padding:16px;color:#95aaca;font-size:13px}.arc-v16-nav-help{margin:12px 0 0;text-align:center;font-size:11px;color:#90a4c4;line-height:1.6}
@keyframes arc-v16-sheet-in{from{opacity:0;transform:translateY(45px)}to{opacity:1;transform:translateY(0)}}
@keyframes arc-v16-row-in{from{opacity:0;transform:translateY(7px)}to{opacity:1;transform:translateY(0)}}
/* shadcn-informed shared interaction states, consistent across the entire platform. */
button,select,input,textarea{font:inherit}
button:not(:disabled){cursor:pointer}
button:disabled{cursor:not-allowed;opacity:.55}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,[tabindex="0"]:focus-visible{outline:2px solid #9ecbff!important;outline-offset:3px}
.btn,.arc-control,.arc-dock-item,.arc-v16-drawer-item{transition:transform .22s var(--v16-ease),border-color .22s,background-color .22s,box-shadow .22s}
.btn:active,.arc-control:active,.arc-v16-drawer-item:active{transform:translateY(1px) scale(.98)}
.arc-v16-page-enter{animation:arc-v16-page .28s var(--v16-ease) both}@keyframes arc-v16-page{from{opacity:.5;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
/* Global density setting applies to existing views without changing API data. */
:root[data-arc-density="compact"] .data-table th,:root[data-arc-density="compact"] .data-table td{padding:10px 12px}
:root[data-arc-density="compact"] .panel{padding:17px}
:root[data-arc-density="compact"] .arc-dashboard-card{padding:17px}
:root[data-arc-density="compact"] .navitem{min-height:34px;padding-top:8px;padding-bottom:8px}
:root[data-arc-density="compact"] .field input,:root[data-arc-density="compact"] .field select{padding-top:9px;padding-bottom:9px}
/* Design knowledge + interaction lab: Magic UI inspired bento, original implementation. */
.arc-v16-lab{margin:26px 0 35px;position:relative;isolation:isolate;color:#e9f3ff}
.arc-v16-lab-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin:0 0 20px}
.arc-v16-lab-heading h2{font-size:clamp(23px,3vw,32px);letter-spacing:-.06em;margin:7px 0}.arc-v16-lab-heading p:not(.arc-v16-overline){font-size:12px;color:#99abc5;line-height:1.75;margin:0}
.arc-v16-mode{display:flex;flex-shrink:0;padding:4px;border:1px solid #ffffff20;border-radius:12px;background:#ffffff09;gap:4px}
.arc-v16-mode button{border:0;background:transparent;color:#aebed5;font-size:12px;padding:9px 13px;border-radius:8px}.arc-v16-mode button[aria-pressed="true"]{color:#fff;background:linear-gradient(145deg,#3e6a9e,#414c87);box-shadow:0 4px 12px #0004}
.arc-v16-bento{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px}
.arc-v16-bento-card{display:flex;flex-direction:column;min-height:222px;border:1px solid var(--v16-border);border-radius:19px;background:linear-gradient(145deg,#1a2c42bb,#0a1223ec);padding:21px;position:relative;overflow:hidden;box-shadow:inset 0 1px 0 #ffffff10;transition:border-color .3s,transform .3s var(--v16-ease)}
.arc-v16-bento-card::before{content:"";position:absolute;inset:-30%;pointer-events:none;opacity:.24;background:radial-gradient(circle at 85% 14%,#6e8dff54,transparent 35%);transform:translateX(15%);transition:transform .5s,opacity .5s}
.arc-v16-bento-card:hover{transform:translateY(-3px);border-color:#9cbfff66}.arc-v16-bento-card:hover::before{transform:translateX(0);opacity:.5}
.arc-v16-card-head{display:flex;align-items:center;justify-content:space-between;color:#8eafd9;font-size:10px;letter-spacing:.14em;font-weight:750;position:relative;z-index:1}
.arc-v16-bento-card h3{font-size:20px;letter-spacing:-.03em;margin:22px 0 7px;position:relative}.arc-v16-bento-card strong{font-size:13px;font-weight:550;color:#c7d7ee;position:relative}.arc-v16-bento-card p{font-size:12px;color:#92abc9;line-height:1.7;margin:11px 0 18px;position:relative;flex:1}.arc-v16-bento-card a{width:fit-content;font-size:12px;color:#a7d1ff;text-decoration:none;position:relative}.arc-v16-bento-card a:hover{text-decoration:underline}
.arc-v16-tools{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin-top:16px}.arc-v16-keyboard-panel,.arc-v16-behavior-panel{min-width:0;border:1px solid var(--v16-border);border-radius:20px;padding:24px;background:linear-gradient(146deg,#132136,#0a1222);overflow:hidden}.arc-v16-tools h3{font-size:19px;letter-spacing:-.04em;margin:17px 0 7px}.arc-v16-tools p{font-size:12px;line-height:1.7;color:#99acc9;margin:0 0 17px}
.arc-v16-keyboard{display:flex;flex-direction:column;gap:8px;padding:17px;border:1px solid #ffffff16;border-radius:17px;background:linear-gradient(150deg,#1e2736,#0e1420);box-shadow:inset 0 3px 12px #0006}
.arc-v16-key-row{display:flex;gap:8px;justify-content:center}.arc-v16-key{min-width:43px;min-height:40px;flex:1;max-width:92px;background:linear-gradient(180deg,#313c51,#1c2637);color:#e5efff;border:1px solid #ffffff23;border-bottom:3px solid #0009;border-radius:9px;box-shadow:0 3px 7px #0004,inset 0 1px #ffffff29;transition:transform .11s,background .2s;font-size:12px}.arc-v16-key.is-pressed,.arc-v16-key:active{transform:translateY(2px);border-bottom-width:1px;background:#4b6895}
.arc-v16-tools p.arc-v16-key-foot{margin:11px 0;font-size:10px}.arc-v16-key-action{border:1px solid #8cbaff45;border-radius:12px;background:#719fff14;color:#cce6ff;padding:11px 13px;font-size:12px}
.arc-v16-behavior-row{display:flex;flex-wrap:wrap;gap:9px;margin:29px 0}.arc-v16-behavior-row button{min-height:43px}.arc-v16-magic{border-color:#8a91ff73;background:linear-gradient(125deg,#32274c,#3f376c);position:relative}.arc-v16-magic span{color:#c1a9ff}
.arc-v16-process{display:flex;align-items:center;justify-content:space-between;gap:7px;border:1px solid #ffffff15;background:#101c2d;border-radius:15px;padding:16px 12px;margin:0 0 14px;font-size:11px;color:#b7d1f5}.arc-v16-process i{height:1px;flex:1;background:linear-gradient(90deg,#9ccaff,#a68dff);opacity:.68}
.arc-v16-behavior-panel small{font-size:11px;line-height:1.6;color:#859cb9}
.arc-v16-status{position:fixed;right:20px;bottom:20px;z-index:130;padding:13px 17px;border:1px solid #96bbec77;border-radius:13px;background:#1a3348;color:#eaf4ff;box-shadow:0 18px 50px #0008;font-size:12px;animation:arc-v16-sheet-in .25s var(--v16-ease)}
.arc-v16-help-backdrop{align-items:center;padding:22px}.arc-v16-help{width:min(460px,100%);border-radius:22px;border:1px solid #ffffff29;background:linear-gradient(155deg,#1a2a41,#0b1322);padding:26px;box-shadow:0 24px 90px #000b}.arc-v16-help header{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:22px}.arc-v16-help h2{font-size:24px;letter-spacing:-.04em;margin:6px 0 0}.arc-v16-help-row{display:flex;align-items:center;gap:8px;padding:11px 0;border-bottom:1px solid #ffffff14}.arc-v16-help-row span{flex:1;color:#d8e6fb;font-size:12px}.arc-v16-help kbd{white-space:nowrap;border:1px solid #ffffff26;border-bottom-width:3px;border-radius:7px;background:#ffffff15;padding:6px 8px;color:#e3eeff;font-size:11px}.arc-v16-help p{font-size:11px;color:#8fa5c4;line-height:1.7;margin:16px 0 0}
@media(max-width:1020px){.arc-v16-bento{grid-template-columns:repeat(2,minmax(0,1fr))}.arc-v16-tools{grid-template-columns:1fr}}
@media(max-width:760px){
 .arc-mobile-dock{position:fixed;display:flex;inset:auto 0 0;z-index:25;justify-content:space-around;gap:3px;align-items:center;border-top:1px solid #accaff24;border-radius:18px 18px 0 0;background:rgba(13,22,38,.93);-webkit-backdrop-filter:blur(24px);backdrop-filter:blur(24px);padding:9px 11px calc(9px + var(--v16-safe-bottom));box-shadow:0 -10px 35px #0005}
 .arc-dock-item{min-width:0;flex:1;min-height:47px;border:0;border-radius:12px;background:transparent;color:#8b9db7;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;font-size:10px;line-height:1.1}
 .arc-dock-icon{font-size:20px;line-height:22px}.arc-dock-item.is-active{color:#c9e6ff;background:#8bb8ff1b}.arc-dock-item.is-active .arc-dock-icon{color:#a6caff}
 .main{padding-bottom:calc(102px + var(--v16-safe-bottom))!important}
 .arc-v16-lab-heading{flex-direction:column;align-items:flex-start}.arc-v16-bento{grid-template-columns:1fr 1fr;gap:10px}.arc-v16-bento-card{padding:17px;min-height:207px}
 .arc-v16-status{bottom:calc(91px + var(--v16-safe-bottom));left:14px;right:14px;text-align:center}
}
@media(max-width:480px){.arc-v16-bento{grid-template-columns:minmax(0,1fr)}.arc-v16-bento-card{min-height:174px}.arc-v16-bento-card h3{margin-top:15px}.arc-v16-keyboard-panel,.arc-v16-behavior-panel{padding:18px}.arc-v16-process{font-size:10px;gap:5px}.arc-v16-drawer{padding-left:18px;padding-right:18px}.arc-v16-keyboard{padding:12px}.arc-v16-key-row{gap:5px}.arc-v16-key{min-width:0}}
@media(prefers-reduced-motion:reduce){.arc-v16-page-enter,.arc-v16-drawer,.arc-v16-drawer-item,.arc-v16-status{animation:none!important}.arc-v16-bento-card,.arc-v16-bento-card::before,.arc-dock-item,.arc-v16-key,.btn{transition:none!important}}