:root{--green:#235848;--deep:#153f34;--mint:#e4eee7;--paper:#f6f5f0;--line:#dfe5df;--ink:#20392f;--muted:#6a7c72;--orange:#e3b36d;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--paper);font-size:15px}*{box-sizing:border-box}body{margin:0}button,input,textarea,select{font:inherit}button,a,input,textarea,select{outline-offset:3px}button{cursor:pointer;border:1px solid var(--line);background:white;color:var(--ink);border-radius:9px;padding:9px 13px}button:hover{background:var(--mint)}button:disabled{cursor:wait;opacity:.55}a{color:var(--green);overflow-wrap:anywhere}.primary{background:var(--green);color:white;border-color:var(--green);font-weight:650}.primary:hover{background:var(--deep)}[hidden]{display:none!important}.brand{font-size:26px;letter-spacing:-1px;font-weight:750;white-space:nowrap}.brand span{display:block;font-size:10px;letter-spacing:3px;font-weight:650;margin:3px 0 0 32px;color:var(--muted)}h1,h2,p{margin-top:0}h1{font-size:30px;letter-spacing:-1px}h2{font-size:21px}p{line-height:1.65}small,.muted{color:var(--muted)}label{display:block;font-size:13px;font-weight:600;margin:13px 0}input,textarea,select{display:block;width:100%;padding:11px 12px;border:1px solid #cbd5cd;border-radius:8px;margin-top:7px;background:white;color:var(--ink)}input:focus,textarea:focus{border-color:var(--green);outline:2px solid #23584822}.login-screen{min-height:100dvh;display:grid;place-items:center;background:radial-gradient(ellipse at 5% 20%,#dce9df,transparent 65%),var(--paper);padding:25px}.login-card{width:min(100%,460px);padding:35px}.login-card .brand{margin-bottom:65px}.eyebrow{font-size:10px;letter-spacing:2px;color:var(--green);margin-bottom:20px;font-weight:700}.login-card h1{font-size:44px;line-height:1.12}.login-card p{color:var(--muted);font-size:14px}.login-card form{margin:30px 0}.login-card .primary{width:100%;margin-top:12px;padding:13px}.workspace{display:grid;grid-template-columns:290px 1fr;height:100dvh;overflow:hidden}.sidebar{background:#eef2ec;border-right:1px solid var(--line);padding:29px 19px 19px;display:flex;flex-direction:column;min-height:0}.sidebar .brand{margin:0 8px 30px}.sidebar>.primary{margin:0 7px 16px}.search-label{font-size:11px;color:var(--muted);margin:0 7px 24px}.search-label input{background:#ffffffaa}.section-label{font-size:10px;letter-spacing:1.8px;font-weight:700;color:var(--muted);margin:0 12px 14px}nav{overflow-y:auto;flex:1}.room{display:flex;align-items:center;gap:11px;width:100%;text-align:left;background:transparent;border-color:transparent;padding:12px 10px;margin-bottom:5px}.room.active{background:#dce7dc;border-color:#d0ddcf}.avatar{width:38px;height:38px;display:grid;place-items:center;background:#fff9;border:1px solid #d7e0d7;border-radius:12px;font-weight:700;font-size:20px;flex-shrink:0}.room-text{flex:1;min-width:0}.room-text strong{font-size:13px;display:block;overflow:hidden;text-overflow:ellipsis}.room-text small{font-size:11px;display:block;margin-top:4px}.badge{font-size:11px;background:var(--green);color:white;padding:3px 6px;border-radius:10px}footer{padding:20px 7px 0;border-top:1px solid var(--line)}#profile{font-weight:700;font-size:14px}.footer-actions{display:flex;flex-wrap:wrap;gap:5px;margin:12px 0}.footer-actions button{font-size:11px;padding:6px 8px}footer small{font-size:10px}.chat{display:flex;flex-direction:column;min-width:0;min-height:0;background:#fafaf7}.chat-header{background:#fff;padding:23px 32px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:15px}.chat-header>div{min-width:0;flex:1}.chat-header h1{font-size:21px;margin:0 0 5px;letter-spacing:-.5px}.chat-header p{font-size:12px;color:var(--muted);margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}#connection{font-size:11px;color:var(--muted);white-space:nowrap}#connection.connected{color:var(--green)}#back{display:none}.messages{flex:1;min-height:0;overflow:auto;padding:25px 32px;scroll-behavior:auto}#message-list{display:flex;flex-direction:column;gap:16px}.message{max-width:min(78%,690px);align-self:flex-start;border:1px solid var(--line);border-radius:3px 15px 15px 15px;padding:13px 16px;background:white;overflow-wrap:anywhere}.message.mine{align-self:flex-end;background:#e5eee5;border-color:#d5e1d5;border-radius:15px 3px 15px 15px}.message-meta{display:flex;gap:14px;align-items:baseline;margin-bottom:7px;font-size:11px;flex-wrap:wrap}.message-meta time{font-size:10px;color:var(--muted)}.message-body{white-space:pre-wrap;font-size:14px;line-height:1.6}.attachment{display:flex;align-items:center;gap:10px;margin-top:10px;background:#ffffffaa;border:1px solid #cad9cc;padding:10px 12px;border-radius:8px;text-decoration:none;font-size:13px}.attachment small{white-space:nowrap}.empty{text-align:center;color:var(--muted);margin:80px 0;font-size:14px}#older{display:block;margin:0 auto 25px;font-size:12px}.composer{background:white;border-top:1px solid var(--line);padding:18px 32px 20px}.composer textarea{resize:vertical;min-height:62px;max-height:180px;background:#fafbf8;margin:0}.composer-tools{display:flex;align-items:center;gap:12px;margin-top:10px}.composer-tools .primary{margin-left:auto;min-width:95px}.file-button{display:inline-block;border:1px solid var(--line);padding:9px 12px;border-radius:8px;cursor:pointer;margin:0;font-size:12px}.file-button input{max-width:180px;font-size:10px;padding:0;border:0;margin:6px 0 0}#upload-hint{font-size:11px;color:var(--muted)}.composer>small{display:block;font-size:10px;margin-top:12px}#selected-file{display:flex;align-items:center;gap:10px;font-size:12px;margin-top:6px;overflow-wrap:anywhere}#selected-file:empty{display:none}#selected-file button{font-size:11px;padding:4px 7px}.banner{background:#fff2d8;border-bottom:1px solid #eed7ad;padding:10px 25px;font-size:13px}.error{color:#a23628;font-size:13px;white-space:pre-wrap}.error:empty{display:none}dialog{border:1px solid var(--line);border-radius:18px;box-shadow:0 20px 90px #18372c33;width:min(530px,calc(100% - 30px));padding:25px;max-height:85dvh;overflow:auto}dialog::backdrop{background:#143a3266;backdrop-filter:blur(3px)}.modal-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.modal-top h2{margin:0}.modal-top button{padding:5px 9px}dialog p{font-size:13px}dialog form>.primary{margin-top:10px}.people-picker{max-height:240px;overflow:auto;border:1px solid var(--line);border-radius:8px;padding:7px 12px}.check{display:flex;align-items:center;gap:10px}.check input{width:auto;margin:0}.staff-list{margin-top:30px}.staff-row{border-top:1px solid var(--line);padding:14px 0}.staff-row strong,.staff-row small{display:block;margin-bottom:6px}.staff-row button{font-size:11px;margin:4px 7px 0 0}.setup{padding:30px 15px}.setup-card{max-width:540px;margin:auto;background:white;padding:30px;border-radius:18px;border:1px solid var(--line)}.setup-card .brand{margin-bottom:35px}.setup-card h2{margin-top:28px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}@media(max-width:760px){.workspace{grid-template-columns:245px 1fr}.sidebar{padding:20px 12px}.chat-header,.messages,.composer{padding:18px}.message{max-width:95%}#upload-hint{display:none}.chat-header #connection{font-size:10px}}@media(max-width:580px){.workspace{display:block}.sidebar{height:100dvh;padding:24px 18px}.chat{display:none;height:100dvh}.show-chat .sidebar{display:none}.show-chat .chat{display:flex}#back{display:block;padding:3px 11px;font-size:25px}.chat-header{padding:14px 12px}.chat-header h1{font-size:18px}.messages{padding:18px 12px}.composer{padding:12px}.composer>small{font-size:9px}.message{max-width:90%}.login-card{padding:15px}.login-card .brand{margin-bottom:45px}.login-card h1{font-size:38px}}

.file-button{position:relative}.file-button input{position:absolute;width:1px;height:1px;opacity:0;overflow:hidden;padding:0;margin:0}.file-button:focus-within{outline:2px solid var(--green);outline-offset:3px}
/* v0.2: unobtrusive message actions and secure in-chat previews */
.chat-actions{display:flex;align-items:center;gap:7px;flex-wrap:wrap;justify-content:flex-end}
.chat-actions button{padding:5px 8px;font-size:11px}
.message-actions{display:flex;justify-content:flex-end;gap:6px;margin-top:7px}
.message-actions button{font-size:10px;padding:3px 7px;background:transparent;border-color:transparent;color:var(--muted)}
.message-actions button:hover{background:#fff8;border-color:var(--line)}
.message-edited{font-size:10px;color:var(--muted);font-style:italic}
.message-deleted{color:var(--muted);font-style:italic}
.inline-image{display:block;max-width:min(100%,360px);max-height:280px;object-fit:contain;border-radius:8px;margin-top:10px;cursor:zoom-in}
.inline-video{display:block;width:min(100%,390px);max-height:320px;margin-top:10px;border-radius:8px;background:#16221f}
.inline-audio{display:block;max-width:100%;margin-top:10px}
.attachment{flex-wrap:wrap;max-width:100%}.attachment:hover{background:white}
.attachment-actions{display:flex;gap:10px;align-items:center;margin-top:5px;font-size:12px}
.recovery-row{border-top:1px solid var(--line);padding:12px 0;font-size:12px;overflow-wrap:anywhere}
.recovery-row strong{display:block;font-size:13px;margin-bottom:4px}.recovery-row p{margin:4px 0 10px;white-space:pre-wrap;color:var(--muted);font-size:12px}
.recovery-row button{font-size:12px}.recovery-heading{margin-top:20px}
.preview-modal{width:min(900px,calc(100vw - 30px))}.preview-modal img{max-width:100%;max-height:75vh;object-fit:contain}
@media(max-width:760px){.chat-actions{gap:3px}.chat-actions button{font-size:10px;padding:5px}.chat-header{flex-wrap:wrap}.chat-header .chat-actions{margin-left:auto}}

.hidden-chats{display:block;background:transparent;border:0;text-align:left;margin:-7px 0 7px 8px;font-size:11px;color:var(--muted);padding:5px 7px}

.password-wrap{display:flex;gap:6px;align-items:center}.password-wrap input{min-width:0;flex:1}.password-eye{white-space:nowrap;padding:9px 10px;font-size:12px;border:1px solid #bbc7bf;border-radius:8px;background:#fafbf9;color:#314f40;cursor:pointer}
.urgent-toggle{display:inline-flex;align-items:center;gap:5px;color:#a21c27;font-weight:700;white-space:nowrap}.urgent-toggle input{accent-color:#c71f2c}.urgent-stamp{color:#c71f2c;font-weight:800;border:1px solid #c71f2c;border-radius:5px;padding:1px 5px;font-size:11px}.message-urgent{border-left:3px solid #c71f2c}.badge-urgent{background:#c71f2c;color:white}

/* v0.3.1: persistent urgent marker, independent from unread counters. */
.urgent-pin{display:inline-grid;place-items:center;flex-shrink:0;width:22px;height:22px;border-radius:50%;background:#c71f2c;color:#fff;font-size:14px;font-weight:800;line-height:1}
.room .badge{flex-shrink:0;min-width:18px;text-align:center}

/* v0.4 availability and sounds */
.status-choice{border:1px solid var(--line);border-radius:8px;padding:9px 12px;margin:8px 0;font-weight:600;cursor:pointer}.status-choice input{display:inline-block;vertical-align:middle;width:auto;margin:0 8px 0 0;accent-color:var(--green)}.status-choice small{display:block;margin:3px 0 0 23px;color:var(--muted);font-weight:400}.recovery-row button{margin-right:7px;margin-top:5px}.recovery-row button:last-child{border-color:#a73d3d;color:#9c2525}.message-actions button{cursor:pointer}

/* v0.4.1: batch permanent deletion in Recovery */
.recovery-bulk{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;border:1px solid var(--line);border-radius:10px;background:#f7f8f5;padding:12px;margin:12px 0}
.recovery-bulk-delete{border:1px solid #a73d3d;color:#9c2525;font-weight:650}
.recovery-bulk-delete:disabled{opacity:.5}
.recovery-select-all{display:flex;align-items:center;gap:8px;margin:7px 0;color:var(--muted);font-size:12px}
.recovery-select-all input,.recovery-select-one{appearance:auto;width:17px;height:17px;accent-color:#a73d3d;cursor:pointer}
.recovery-select-all input{margin:0}
.recovery-select-one{display:inline-block;float:left;margin:3px 12px 10px 0}