:root{color-scheme:light dark;--paper:light-dark(#fff,#182327);--bg:light-dark(#f4f6f7,#10191d);--ink:light-dark(#152a35,#e5edee);--muted:light-dark(#62747b,#a7b7bc);--line:light-dark(#e6ecee,#2c3b40);--chat:light-dark(#f0eeea,#0d171b);--out:light-dark(#dcefe4,#23443c);--header:#172a3c;--brand:#f07544;--green:light-dark(#176b51,#89cfb5);--softgreen:light-dark(#e7f3eb,#23443c);--warn:light-dark(#fcf1db,#403322);--warntext:light-dark(#754f16,#efc37a)}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.45 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}button,input,textarea{font:inherit}button{cursor:pointer;border:0;color:inherit}button:disabled{cursor:default;opacity:.5}[hidden]{display:none!important}svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}.icon-sprite{position:absolute;width:0;height:0;overflow:hidden}#support-app{max-width:760px;margin:auto;height:100dvh;display:flex;flex-direction:column;background:var(--paper);position:relative}.view{display:flex;flex-direction:column;flex:1;min-height:0}.app-header{display:flex;align-items:center;gap:10px;padding:12px 14px;background:var(--header);color:#fff;flex-shrink:0}.app-header h1{margin:0;font-size:18px;font-weight:600}.app-header p{margin:2px 0 0;font-size:12px;color:#bed0da}.header-text{flex:1;min-width:0}.brand{width:42px;height:42px;border-radius:13px;flex:0 0 42px}.icon-button{width:44px;height:44px;flex:0 0 44px;background:none;display:inline-flex;align-items:center;justify-content:center;border-radius:50%}.icon-button:hover{background:light-dark(#859baa20,#d5e3ea13)}.primary,.secondary{display:inline-flex;justify-content:center;align-items:center;gap:8px;border-radius:14px;padding:12px 18px;min-height:46px;font-weight:600}.primary{background:var(--brand);color:#172a3c}.secondary{background:var(--bg);color:var(--ink);border:1px solid var(--line)}.text-button{background:none;padding:10px 8px;color:var(--green);font-size:13px;min-height:44px}.small{font-size:12px;color:var(--muted)}.landing-content{padding:32px 24px;max-width:460px;margin:auto;text-align:center;overflow:auto}.landing-content h2{font-size:25px;margin:17px 0 10px}.landing-content p{color:var(--muted);margin:10px 0 24px}.landing-content>button{width:100%;margin-bottom:10px}.large-icon{display:grid;place-items:center;width:74px;height:74px;border-radius:24px;background:var(--softgreen);color:var(--green);margin:auto}.large-icon svg{width:36px;height:36px}#notice{padding:10px 16px;background:var(--warn);color:var(--warntext);font-size:13px;flex-shrink:0;overflow-wrap:anywhere}.agency-context{display:flex;flex-direction:column;gap:3px;padding:15px 18px;background:var(--bg);border-bottom:1px solid var(--line)}.agency-context strong{font-size:16px;font-weight:600}.push-banner{padding:8px 14px;background:var(--softgreen);color:var(--green);display:flex;align-items:center;gap:8px;justify-content:space-between;font-size:12px}.case-list{overflow:auto;flex:1}.case-row{width:100%;display:flex;text-align:left;gap:12px;padding:17px 16px;background:var(--paper);border-bottom:1px solid var(--line)}.case-row:hover{background:var(--bg)}.case-avatar{width:44px;height:44px;flex:0 0 44px;border-radius:15px;background:var(--bg);color:var(--muted);display:grid;place-items:center}.case-copy{min-width:0;flex:1}.case-top{display:flex;justify-content:space-between;gap:8px;align-items:flex-start}.case-title{font-weight:600;font-size:15px}.case-time{font-size:11px;white-space:nowrap;color:var(--muted)}.case-meta{font-size:12px;color:var(--muted);margin-top:3px}.case-bottom{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-top:5px}.case-preview{font-size:13px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.unread{display:grid;place-items:center;flex:0 0 auto;min-width:21px;height:21px;padding:0 5px;border-radius:15px;background:var(--brand);color:#172a3c;font-size:11px;font-weight:600}.pos-hint{display:flex;align-items:center;gap:8px;padding:10px 15px;background:var(--bg);font-size:12px;color:var(--muted);flex-shrink:0}.pos-hint span{flex:1}.case-context{display:flex;align-items:center;gap:9px;padding:10px 14px;border-bottom:1px solid var(--line);flex-shrink:0}.case-context>div{flex:1;min-width:0}.case-context strong{display:block;font-size:13px;font-weight:600}.case-context .small{font-size:11px;overflow-wrap:anywhere}.status-tag{display:inline-flex;align-items:center;white-space:nowrap;border-radius:14px;padding:4px 8px;background:var(--softgreen);color:var(--green);font-size:11px}.status-tag.waiting{background:var(--warn);color:var(--warntext)}.messages{flex:1;overflow-y:auto;overscroll-behavior:contain;padding:15px 13px 18px;background-color:var(--chat);background-image:radial-gradient(light-dark(#adb4ac32,#a9bbb01a) .8px,transparent .8px);background-size:19px 19px;overflow-wrap:anywhere}#message-list{display:flex;flex-direction:column;gap:8px}.bubble{max-width:87%;padding:9px 11px 6px;border-radius:13px 13px 13px 3px;align-self:flex-start;background:var(--paper);box-shadow:0 1px 1px #00000012;min-width:90px}.bubble.sent{align-self:flex-end;background:var(--out);border-radius:13px 13px 3px 13px}.bubble.system{align-self:center;max-width:90%;background:var(--bg);font-size:12px;color:var(--muted);text-align:center;border-radius:9px;box-shadow:none}.bubble p{margin:0;white-space:pre-wrap}.message-author{display:block;font-size:11px;color:var(--green);font-weight:600;margin-bottom:3px}.message-time{display:block;text-align:right;color:var(--muted);font-size:11px;margin-top:4px}.bubble img{max-width:100%;max-height:300px;display:block;border-radius:9px}.photo-button{background:none;padding:0;display:block}.date-chip{align-self:center;background:var(--paper);color:var(--muted);padding:4px 10px;border-radius:9px;font-size:11px;margin:5px 0 7px}.older-button{display:block;background:var(--paper);color:var(--green);padding:9px 12px;border-radius:12px;font-size:12px;margin:0 auto 12px;min-height:44px}.composer{padding:10px 10px max(12px,env(safe-area-inset-bottom));border-top:1px solid var(--line);background:var(--bg);flex-shrink:0}.composer form{display:flex;gap:7px;align-items:flex-end}.input-wrap{display:flex;align-items:flex-end;border:1px solid var(--line);border-radius:25px;background:var(--paper);min-width:0;flex:1;padding:1px 3px}.input-wrap .icon-button{color:var(--muted)}textarea{resize:none;min-width:0;flex:1;width:100%;border:0;background:none;color:var(--ink);font-size:16px;line-height:1.4;padding:11px 5px 10px;min-height:44px;max-height:120px}textarea::placeholder{font-size:14px;color:var(--muted)}.send-button{width:46px;height:46px;flex:0 0 46px;display:grid;place-items:center;background:var(--brand);color:#172a3c;border-radius:50%}.sender-identity{font-size:11px;color:var(--muted);text-align:center;padding-top:6px}.attachment-preview{display:flex;align-items:center;gap:9px;padding:5px 10px;background:var(--paper);border-radius:13px;margin-bottom:7px}.attachment-preview span{flex:1;min-width:0;overflow-wrap:anywhere;font-size:12px}.resolved-note{margin:0;padding:12px 16px;background:var(--bg);font-size:12px;text-align:center;color:var(--muted)}.settings-content{padding:22px 18px;overflow:auto;flex:1;background:var(--bg)}.device-card{padding:22px 18px;text-align:center;background:var(--paper);border:1px solid var(--line);border-radius:18px;margin-bottom:14px}.device-logo{width:62px;height:62px;border-radius:19px}.device-card h2{font-size:19px;margin:10px 0 3px}.device-card p{font-size:13px;color:var(--muted);margin:0 0 12px}.setting-row{display:flex;align-items:center;gap:12px;padding:15px 0;border-bottom:1px solid var(--line)}.setting-row>div{flex:1;min-width:0}.setting-row strong{font-size:14px}.setting-row p{font-size:12px;color:var(--muted);margin:4px 0}.settings-content>button{display:flex;width:100%;margin-top:15px}.danger{color:light-dark(#a72d29,#ffaaaa)}.empty{text-align:center;color:var(--muted);padding:40px 24px;font-size:14px}.modal{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;background:#06151db3;z-index:10;padding:20px}.modal-content{background:var(--paper);border-radius:20px;padding:19px;width:min(100%,440px);max-height:90dvh;overflow:auto}.modal-top{display:flex;align-items:center;gap:8px}.modal-top h2{flex:1;font-size:18px;margin:0}.modal-content p{font-size:14px;color:var(--muted);white-space:pre-line;overflow-wrap:anywhere}.modal-content>.primary,.modal-content .secondary{width:100%;margin:9px 0}.modal-content label{display:block;font-size:13px;color:var(--muted);margin-top:14px}.modal-content input[type=url]{width:100%;padding:11px;border:1px solid var(--line);border-radius:11px;background:var(--bg);color:var(--ink);font-size:16px;margin:5px 0 10px}.modal-content video{width:100%;max-height:45dvh;background:#10191d;border-radius:12px}.modal-content img{width:100%;height:auto;border-radius:12px}.modal-content #modal-confirm{width:100%}@media(min-width:760px){#support-app{border-left:1px solid var(--line);border-right:1px solid var(--line)}.messages{padding:20px 28px}.bubble{max-width:75%}}@media(max-width:350px){.app-header{gap:5px;padding:10px}.app-header h1{font-size:16px}.case-context{flex-wrap:wrap}.bubble{max-width:94%}.landing-content{padding:22px 18px}}@media(prefers-reduced-motion:no-preference){button{transition:background-color .12s}}