/* v29: premium compact center, linked from the initial viewport and every room. */
.center-top-link,.center-hero-link,.room-center-link{border:1px solid #cee2fb;background:#f0f7ff;color:#417dc6;border-radius:12px;padding:10px 13px;font:800 12px/1.3 system-ui,sans-serif;cursor:pointer;white-space:nowrap}
.center-top-link:hover,.center-hero-link:hover,.room-center-link:hover{background:#e0eeff;border-color:#91baed}
.center-hero-link{display:inline-flex;align-items:center;gap:12px;padding:12px 17px;margin:0 10px 10px 0;background:linear-gradient(105deg,#4d95ed,#649adc);color:white;border-color:transparent;box-shadow:0 7px 18px #528acf36}
.center-hero-link:hover{background:linear-gradient(105deg,#4184d6,#5189ce)}
.room-center-link{background:#4e91e2;color:white;border:0;padding:11px 13px}
.center-overlay{position:fixed;inset:0;z-index:100050;display:grid;place-items:center;padding:14px;background:rgba(14,28,46,.61);backdrop-filter:blur(9px)}.center-overlay[hidden]{display:none!important}
body.center-open{overflow:hidden}
.center-shell{display:flex;flex-direction:column;width:min(1080px,100%);max-height:calc(100dvh - 28px);background:#fff;color:#1e2e41;border-radius:25px;box-shadow:0 30px 95px #091c346e;overflow:hidden}
.center-header{display:flex;justify-content:space-between;align-items:flex-start;gap:15px;padding:22px 25px 16px;background:linear-gradient(110deg,#f8fbff,#f4f8ff);border-bottom:1px solid #e3eaf3}
.center-brand{display:flex;align-items:center;gap:16px;min-width:0}.center-icon{display:grid;place-items:center;background:linear-gradient(130deg,#4893ee,#6bdfe1);color:white;width:52px;height:52px;flex:none;border-radius:16px;font-size:29px;box-shadow:0 9px 20px #5a8cca24}
.center-kicker{font:900 10px/1.5 system-ui,sans-serif;letter-spacing:.13em;color:#508ad2}
.center-header h2{font:850 clamp(21px,3.1vw,31px)/1.08 system-ui,sans-serif;letter-spacing:-.055em;margin:3px 0 5px;color:#14273e}
.center-header p{font:400 12px/1.55 system-ui,sans-serif;margin:0;color:#667383}
.center-close{border:1px solid #dde8f6;background:#fff;border-radius:12px;padding:10px 13px;cursor:pointer;color:#3b5a81}
.center-toolbar{padding:13px 25px 7px;display:flex;gap:11px}.center-search-label{flex:1;display:flex;align-items:center;gap:11px;background:#f5f8fc;border:1px solid #dbe7f6;border-radius:12px;padding:0 13px;color:#5389ca}.center-search-label input{background:transparent;min-width:0;border:0!important;outline:0!important;box-shadow:none!important;flex:1;padding:13px 0;color:#192d45;font:13px system-ui,sans-serif}
.center-file-pick{display:flex;align-items:center;justify-content:center;padding:12px 17px;background:#488ada;color:white;border-radius:12px;font:800 12px system-ui,sans-serif;cursor:pointer;white-space:nowrap}
.center-categories{display:flex;gap:5px;overflow-x:auto;scrollbar-width:thin;padding:8px 25px 13px;border-bottom:1px solid #e8eff7}.center-categories button{background:white;border:1px solid #e2ebf5;white-space:nowrap;border-radius:30px;padding:8px 12px;color:#546880;font:750 12px system-ui,sans-serif;cursor:pointer}.center-categories button.active{color:#fff;background:#478bdf;border-color:#478bdf}
.center-main{padding:16px 25px 20px;overflow:auto;min-height:0;flex:1}.center-tools{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}.center-group{padding:15px;background:linear-gradient(125deg,#fff,#fbfdff);border:1px solid #e2ebf7;border-radius:17px;min-width:0}.center-group h3{display:flex;align-items:center;gap:11px;margin:0 0 12px;font:850 15px system-ui,sans-serif;color:#1e3046}
.center-tool-icon{width:41px;height:41px;border-radius:12px;display:grid;place-items:center;background:#eaf3ff;color:#4486d7}.center-tool-icon svg{width:23px;height:23px}
.center-tool-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:7px}.center-tool{display:flex;align-items:center;gap:9px;min-width:0;min-height:43px;text-align:left;background:#f5f9fe;color:#335175;border:1px solid #deeaf9;border-radius:11px;padding:8px 9px;font:700 11px/1.4 system-ui,sans-serif;cursor:pointer;overflow-wrap:anywhere}.center-tool:hover{background:#e8f1fd;border-color:#b5d2f5}.center-tool-small{flex:none;display:grid;place-items:center;color:#4589dc}.center-tool-small svg{width:18px;height:18px}
.center-type-pdf{color:#df6b4c}.center-type-image{color:#359c8b}.center-type-word{color:#4276c6}.center-type-sheet{color:#339367}.center-type-slides{color:#ca7846}.center-type-video{color:#5b8cb4}.center-type-convert{color:#649bde}
.center-disclaimer{margin:15px 0 0;color:#6d7c8e;font:11px/1.6 system-ui,sans-serif}
.center-incoming{background:#eefcf7;border:1px solid #9edecb;margin:12px 25px 0;padding:13px 16px;border-radius:14px}.center-incoming strong{font:800 13px system-ui,sans-serif;color:#185b54}.center-incoming p{color:#30685f;font:12px/1.5 system-ui,sans-serif;margin:5px 0 9px}.center-incoming-actions{display:flex;flex-wrap:wrap;gap:8px}.center-incoming-actions button{border:1px solid #7bc7b1;border-radius:10px;padding:8px 11px;color:#116858;font:750 12px system-ui,sans-serif;background:#fff;cursor:pointer}
.center-downloads h3{font:850 19px system-ui,sans-serif;color:#22344a}.center-downloads>p{font:12px/1.6 system-ui,sans-serif;color:#637183}.center-download-row{display:flex;gap:9px;align-items:center;border-bottom:1px solid #e6eef8;padding:12px 0;flex-wrap:wrap}.center-download-row span{flex:1;min-width:210px;overflow-wrap:anywhere;font:750 12px system-ui,sans-serif}.center-download-row button{border:1px solid #cddff6;background:#f0f7ff;color:#497dbd;padding:8px 11px;border-radius:10px;cursor:pointer;font:750 12px system-ui,sans-serif}.center-empty{grid-column:1/-1;color:#6b7c91;padding:15px}
body.dark .center-shell{background:#212f40;color:#eff6ff}body.dark .center-header{background:#25303e;border-color:#445365}body.dark .center-header h2,body.dark .center-group h3{color:#fff}body.dark .center-group{background:#2a3849;border-color:#445263}body.dark .center-tool{background:#313f50;color:#eaf3ff;border-color:#4a5f78}body.dark .center-search-label{background:#2e3b4a;border-color:#516174}body.dark .center-search-label input{color:white}body.dark .center-categories button{background:#2c3a4c;color:white;border-color:#4a5e76}body.dark .center-categories button.active{background:#4b8edf}body.dark .center-close{background:#2b3c51;color:white}
@media(max-width:950px){.center-tools{grid-template-columns:1fr}.center-header{padding:16px}.center-toolbar{padding:12px 16px 5px}.center-categories{padding-inline:16px}.center-main{padding:14px 16px}.center-incoming{margin-inline:16px}}
@media(max-width:700px){.center-top-link{font-size:0;padding:9px}.center-top-link::after{content:'✦';font-size:17px}.center-shell{max-height:calc(100dvh - 12px);border-radius:18px}.center-overlay{padding:6px}.center-icon{width:41px;height:41px;font-size:22px}.center-header h2{font-size:21px}.center-header p{font-size:11px}.center-tool-grid{grid-template-columns:1fr 1fr}.center-hero-link{font-size:11px;padding:10px}.room-center-link{font-size:11px;padding:9px}.center-categories button{font-size:11px;padding:8px 11px}}
@media(max-width:380px){.center-tool-grid{grid-template-columns:1fr}.center-header h2{font-size:18px}.center-header p{display:none}.center-toolbar{flex-wrap:wrap}.center-file-pick{flex:1}.center-search-label{flex-basis:100%}}