:root{--bg:#f4f6fa;--panel:#fff;--line:#dfe4ee;--text:#1d2433;--muted:#6b7488;--blue:#2f6fed;--navy:#1f3a68;--red:#d93a4a;--orange:#e8890c;--green:#1e9e63;--yellow:#fff6d6;
  font-family:"Segoe UI","PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;font-size:15px;color:var(--text);background:var(--bg);-webkit-text-size-adjust:100%}
*{box-sizing:border-box}body{margin:0;min-height:100vh}a{color:var(--blue);text-decoration:none}[hidden]{display:none!important}
button,.button,input,select,textarea{font:inherit;color:inherit}
button,.button{display:inline-flex;align-items:center;justify-content:center;gap:4px;border:1px solid var(--line);background:#fff;border-radius:8px;padding:8px 14px;cursor:pointer;min-height:38px;white-space:nowrap}
button:hover,.button:hover{border-color:#b8c3d8}button:disabled{opacity:.5;cursor:default}
.primary{background:var(--blue);border-color:var(--blue);color:#fff}.primary:hover{background:#255fd6}.danger{color:var(--red)}button.danger:hover{border-color:var(--red)}
.small{padding:4px 10px;min-height:30px;font-size:13px}.link{border:0;background:none;color:var(--blue);padding:0;min-height:0}.block{width:100%}
input,select,textarea{width:100%;border:1px solid var(--line);border-radius:8px;padding:9px 11px;background:#fff;min-height:40px}textarea{resize:vertical}
input:focus,select:focus,textarea:focus{outline:2px solid #bcd0ff;border-color:var(--blue)}
.muted{color:var(--muted)}.small{font-size:13px}.pad{padding:12px 16px}.right{margin-left:auto}.nowrap{white-space:nowrap}.error{color:var(--red);min-height:1em}
.field{display:block;margin:0 0 12px}.field>span{display:block;font-size:13px;color:var(--muted);margin-bottom:4px}.field small{display:block;margin-top:4px}
.check{display:grid;grid-template-columns:auto 1fr;gap:2px 8px;align-items:center;margin:0 0 12px}.check input{width:18px;min-height:18px}.check small{grid-column:2}
.grid2{display:grid;grid-template-columns:1fr;gap:0 14px}@media(min-width:640px){.grid2{grid-template-columns:1fr 1fr}}

/* top bar */
.top{position:sticky;top:0;z-index:5;display:flex;align-items:center;gap:10px;height:54px;padding:0 14px;padding-top:env(safe-area-inset-top);background:var(--navy);color:#fff}
.brand{display:flex;align-items:center;gap:8px;color:#fff;font-weight:600;font-size:17px}.brand img{width:28px;height:28px}
.back{color:#fff;font-size:34px;line-height:1;padding:0 8px 4px 0}.top .title{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:16px}
.menu{margin-left:auto;position:relative}.menu summary{list-style:none;width:34px;height:34px;border-radius:50%;background:#ffffff26;display:grid;place-items:center;cursor:pointer;font-weight:600}.menu summary::-webkit-details-marker{display:none}
.menu-list{position:absolute;right:0;top:42px;background:#fff;color:var(--text);border:1px solid var(--line);border-radius:10px;box-shadow:0 10px 30px #0002;min-width:220px;padding:6px;display:grid}
.menu-list>*{padding:10px 12px;border-radius:6px;text-align:left;border:0;background:none;justify-content:flex-start;min-height:0}.menu-list a:hover,.menu-list button:hover{background:#eef3ff}

/* login */
.login{min-height:100vh;display:grid;place-items:center;padding:20px;background:linear-gradient(160deg,#1f3a68,#2f6fed)}
.login-card{width:min(380px,100%);background:#fff;border-radius:16px;padding:28px 24px;box-shadow:0 20px 50px #0003}.login-card h1{margin:8px 0 4px}.logo{width:52px;height:52px}

/* phone: one column */
.content{padding:14px;padding-bottom:90px;max-width:760px;margin:0 auto}
.cards{display:grid;gap:12px}.card{display:block;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:14px 16px;color:inherit}
.todo-card{display:grid;grid-template-columns:1fr auto;align-items:center;background:var(--navy);color:#fff;border:0;margin-bottom:18px}.todo-card .big{font-size:30px;font-weight:700;grid-row:span 2}.todo-card small{color:#c9d6f3}
.project-card strong{display:block;font-size:16px;margin-bottom:4px}.clamp{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.stats{display:flex;gap:12px;margin:8px 0 4px;font-size:13px}.warn{color:var(--red);font-weight:600}.info{color:var(--blue)}
.section-title{display:flex;justify-content:space-between;align-items:center;margin:4px 2px 10px;font-weight:600;color:var(--muted)}
.fab{position:fixed;right:18px;bottom:calc(22px + env(safe-area-inset-bottom));width:58px;height:58px;border-radius:50%;background:var(--blue);color:#fff;font-size:32px;display:grid;place-items:center;box-shadow:0 8px 20px #2f6fed66}
.empty{color:var(--muted);text-align:center;padding:40px 10px}

/* lists */
.list-head,.detail-head{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;margin-bottom:10px}.list-head h2,.detail-head h2{margin:0;font-size:19px}.actions{display:flex;gap:8px}
.desc{margin:-4px 0 10px}.filters{display:grid;gap:8px;margin-bottom:10px}.chips{display:flex;gap:6px;overflow-x:auto;padding-bottom:2px;scrollbar-width:none}.chips::-webkit-scrollbar{display:none}@media(min-width:960px){.chips{flex-wrap:wrap}}
.chip{border-radius:999px;padding:4px 12px;min-height:30px;font-size:13px}.chip.on{background:var(--navy);border-color:var(--navy);color:#fff}
.rows{display:grid;gap:8px}.row{display:block;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:10px 12px;color:inherit}.row:hover{border-color:#b8c3d8}.row.active{border-color:var(--blue);box-shadow:0 0 0 2px #2f6fed33}
.row-top{display:flex;gap:6px;align-items:baseline}.row .title{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.row.unread .title{font-weight:700}
.num{color:var(--muted);font-variant-numeric:tabular-nums}.row-meta{display:flex;flex-wrap:wrap;gap:4px 10px;align-items:center;font-size:12.5px;margin-top:6px}
.status{padding:1px 8px;border-radius:999px;font-size:12px;background:#eef1f6}.s-new{background:#ffe7e9;color:var(--red)}.s-in_progress{background:#e4edff;color:var(--blue)}.s-waiting_customer{background:#fff1dc;color:#b86a00}.s-done{background:#e2f5ec;color:var(--green)}
.prio{font-size:12px;font-weight:600}.p-low{color:var(--muted)}.p-high{color:var(--orange)}.p-urgent{color:#fff;background:var(--red);padding:1px 7px;border-radius:999px}
.need{color:var(--red);font-weight:600}.dot{width:8px;height:8px;border-radius:50%;background:var(--blue);display:inline-block;flex:none}.device{background:#eef1f6;padding:1px 8px;border-radius:6px}
.count{background:var(--red);color:#fff;border-radius:999px;font-size:12px;padding:1px 7px;font-style:normal}

/* thread */
.controls{display:flex;flex-wrap:wrap;gap:8px 14px;align-items:center;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:10px 12px;margin-bottom:12px}
.inline{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--muted)}.inline select{width:auto;min-height:34px;padding:4px 8px;color:var(--text)}
.fresh{width:100%;margin-bottom:10px;background:#e4edff;border-color:#bcd0ff;color:var(--blue)}
.thread{display:grid;gap:10px;margin-bottom:14px}.msg{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:12px 14px}
.msg.staff{border-left:3px solid var(--blue)}.msg.internal{background:var(--yellow);border-color:#f1dc94}.msg.draft{border-style:dashed;border-color:#9aa8c4;background:#fafbfd}
.msg-head{display:flex;gap:8px;align-items:center;flex-wrap:wrap;font-size:13px;margin-bottom:6px}.tag{font-size:12px;padding:1px 7px;border-radius:6px}.tag.internal{background:#f6d973}.tag.draft{background:#dfe5f2}
.body{white-space:pre-wrap;word-break:break-word;margin:0 0 6px;line-height:1.6}.msg-tools{display:flex;gap:6px;margin-top:8px}
.atts{display:flex;flex-wrap:wrap;gap:8px;margin-top:6px}.thumb{padding:0;border:0;border-radius:8px;overflow:hidden;width:120px;height:120px;background:#eef1f6}.thumb img{width:100%;height:100%;object-fit:cover}
.media{display:grid;gap:4px;width:100%;max-width:520px}.media video{width:100%;max-height:360px;border-radius:8px;background:#000}.media.audio audio{width:100%}.file{display:inline-block;background:#eef1f6;border-radius:8px;padding:8px 12px;color:inherit}
#viewer{border:0;padding:0;background:transparent;max-width:96vw;max-height:96vh}#viewer::backdrop{background:#000c}#viewer img{max-width:94vw;max-height:84vh;display:block;margin:0 auto 10px;border-radius:6px}#viewer .button{margin:0 auto;display:flex;width:max-content}
#viewer .close{position:fixed;top:12px;right:12px;width:44px;height:44px;border-radius:50%;font-size:26px;background:#fff}

/* composer */
.composer{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:12px;display:grid;gap:10px}.composer.internal{background:var(--yellow)}.composer.drop{outline:3px dashed var(--blue)}
.kinds{display:flex;gap:6px}.kind input{display:none}.kind span{display:inline-block;padding:5px 12px;border:1px solid var(--line);border-radius:999px;font-size:13px;cursor:pointer;background:#fff}.kind input:checked+span{background:var(--navy);color:#fff;border-color:var(--navy)}
.tools{display:flex;flex-wrap:wrap;gap:6px}.tool{display:inline-flex;align-items:center;border:1px solid var(--line);background:#f7f9fc;border-radius:8px;padding:7px 12px;font-size:14px;cursor:pointer;min-height:38px}.tool.rec{background:#ffe7e9;border-color:var(--red);color:var(--red);animation:pulse 1.2s infinite}
@keyframes pulse{50%{opacity:.6}}
.tray{display:flex;flex-wrap:wrap;gap:8px}.tray:empty{display:none}.att{position:relative;width:110px;border:1px solid var(--line);border-radius:8px;overflow:hidden;background:#f7f9fc;font-size:11.5px}
.att img,.att video{width:100%;height:76px;object-fit:cover;display:block;background:#000}.att .icon{display:grid;place-items:center;height:76px;font-size:30px}
.att-name{display:block;padding:3px 6px 0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.att-size{display:block;padding:0 6px 4px;color:var(--muted)}.att progress{width:100%;height:4px;display:block}
.att .x{position:absolute;top:3px;right:3px;width:24px;height:24px;min-height:0;padding:0;border-radius:50%;background:#000a;color:#fff;border:0;font-size:16px}.att.bad{border-color:var(--red)}.att.bad .att-size{color:var(--red)}
.send{display:flex;align-items:center;justify-content:flex-end;gap:10px}.hint{margin-top:-4px}

/* panels & tables */
.panel{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:16px;margin-bottom:14px}.panel h3{margin:0 0 10px;font-size:16px}
.table{width:100%;border-collapse:collapse;margin-top:10px}.table td{border-top:1px solid var(--line);padding:9px 6px;vertical-align:middle;font-size:14px}.table td button,.table td .button{margin-right:6px}.table tr.off{opacity:.55}.table select{width:auto}
.add-row{display:grid;grid-template-columns:1fr;gap:8px;margin-top:12px}@media(min-width:640px){.add-row{grid-template-columns:2fr 1fr auto}}
.key{background:#f2f6ff;border:1px solid #bcd0ff;border-radius:8px;padding:10px 12px;margin:10px 0}.key code{display:block;word-break:break-all;background:#fff;border:1px solid var(--line);padding:8px;border-radius:6px;font-size:12.5px;user-select:all}
#toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%,20px);opacity:0;pointer-events:none;background:#1d2433;color:#fff;padding:10px 16px;border-radius:10px;transition:.2s;z-index:20;max-width:90vw}#toast.show{opacity:1;transform:translate(-50%,0)}#toast.bad{background:var(--red)}

/* computer: projects | list | detail */
@media(min-width:960px){
  .layout{display:grid;grid-template-columns:230px 380px 1fr;height:calc(100vh - 54px)}.layout.two{grid-template-columns:230px 1fr}
  .sidebar{background:#fff;border-right:1px solid var(--line);overflow:auto;padding:10px 8px}
  .nav{display:flex;align-items:center;gap:8px;padding:9px 12px;border-radius:8px;color:inherit}.nav:hover{background:#f0f3f9}.nav.active{background:#e4edff;color:var(--blue);font-weight:600}.nav .name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .nav-head{display:flex;justify-content:space-between;padding:16px 12px 6px;font-size:12px;color:var(--muted);text-transform:uppercase}
  .list{overflow:auto;padding:14px;border-right:1px solid var(--line)}.detail{overflow:auto;padding:18px 24px}.layout.two .detail{max-width:1000px}
  .placeholder{height:100%;display:grid;place-content:center;justify-items:center;color:var(--muted);text-align:center}.placeholder img{width:64px;opacity:.25}
  .detail .detail-head h2{font-size:21px}
}