:root{--bg:#F6F7F9;--panel:#fff;--text:#17202A;--muted:#667085;--line:#E4E7EC;--brand:#F4C542;--brand-soft:#FFF8DD;--danger:#B42318;--danger-bg:#FEF3F2;--ok:#067647;--ok-bg:#ECFDF3;--info:#175CD3;--info-bg:#EFF8FF;--r:12px;--shadow:0 8px 26px rgba(16,24,40,.06)}*{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;background:var(--bg);color:var(--text)}button,input,select,textarea{font:inherit}button{cursor:pointer}.hidden{display:none!important}.center{min-height:100vh;display:grid;place-items:center;padding:20px}.auth{width:min(980px,100%);display:grid;grid-template-columns:1fr 430px;background:var(--panel);border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:var(--shadow)}.auth-brand{padding:52px;background:linear-gradient(145deg,var(--brand-soft),#fff);display:flex;flex-direction:column;justify-content:center}.logo{font-weight:900;font-size:34px;letter-spacing:-1px}.logo-mark{display:inline-grid;place-items:center;width:38px;height:38px;border-radius:11px;background:var(--brand);margin-right:10px}.auth-brand h1{font-size:34px;line-height:1.15;margin:24px 0 10px}.auth-brand p{color:var(--muted);max-width:480px}.auth-form{padding:42px}.auth-form h2{margin:0 0 8px;font-size:28px}.hint{font-size:13px;color:var(--muted)}.field{display:grid;gap:7px;margin-top:14px}.field label{font-size:13px;font-weight:700}.input,.field input,.field select,.field textarea{width:100%;border:1px solid var(--line);background:#fff;color:var(--text);border-radius:8px;min-height:42px;padding:10px 12px;outline:none}.field textarea{min-height:100px;resize:vertical}.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--info);box-shadow:0 0 0 3px rgba(23,92,211,.12)}.btn{border:1px solid var(--line);background:#fff;color:var(--text);border-radius:8px;min-height:42px;padding:9px 14px;font-weight:700}.btn:hover{background:#f9fafb}.btn.primary{background:var(--brand);border-color:var(--brand);color:var(--text)}.btn.info{background:var(--info);border-color:var(--info);color:#fff}.btn.success{background:var(--ok);border-color:var(--ok);color:#fff}.btn.danger{background:var(--danger);border-color:var(--danger);color:#fff}.btn.ghost{background:transparent}.btn.sm{min-height:34px;padding:6px 10px;font-size:13px}.btn:disabled{opacity:.55;cursor:not-allowed}.error{margin-top:12px;background:var(--danger-bg);color:var(--danger);padding:10px 12px;border-radius:8px;font-size:13px}.shell{min-height:100vh;display:grid;grid-template-columns:248px 1fr}.sidebar{position:sticky;top:0;height:100vh;background:#fff;border-right:1px solid var(--line);padding:18px 14px;overflow:auto}.side-logo{display:flex;align-items:center;font-size:22px;font-weight:900;padding:6px 8px 18px}.side-logo .logo-mark{width:32px;height:32px}.nav-group{margin:16px 0 7px;padding:0 10px;color:#98A2B3;text-transform:uppercase;letter-spacing:.08em;font-weight:800;font-size:10px}.nav{display:grid;gap:3px}.nav button{display:flex;gap:10px;align-items:center;width:100%;border:0;background:transparent;border-radius:8px;padding:9px 10px;color:#475467;text-align:left}.nav button:hover{background:#F9FAFB}.nav button.active{background:var(--brand-soft);color:var(--text);font-weight:800}.nav .ico{width:22px;text-align:center}.main{min-width:0}.topbar{height:64px;position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 28px}.top-actions{display:flex;gap:8px;align-items:center}.avatar{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:var(--brand-soft);font-weight:900}.content{padding:28px;max-width:1500px;margin:auto}.page-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:20px}.page-head h1{font-size:28px;line-height:36px;margin:0}.page-head p{margin:4px 0 0;color:var(--muted)}.actions-row{display:flex;gap:8px;flex-wrap:wrap}.metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-bottom:18px}.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:20px}.metric strong{display:block;font-size:30px;font-variant-numeric:tabular-nums}.metric span{color:var(--muted);font-size:13px}.grid2{display:grid;grid-template-columns:2fr 1fr;gap:18px}.grid2.equal{grid-template-columns:1fr 1fr}.stack{display:grid;gap:14px}.section-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.section-title h2{font-size:18px;margin:0}.empty{text-align:center;padding:28px;color:var(--muted);border:1px dashed var(--line);border-radius:10px}.task-card{border:1px solid var(--line);border-radius:10px;padding:13px;display:grid;gap:8px;background:#fff;cursor:pointer}.task-card:hover{border-color:#C8CDD5}.task-top{display:flex;justify-content:space-between;gap:10px}.task-title{font-weight:800}.meta{display:flex;flex-wrap:wrap;gap:7px;color:var(--muted);font-size:12px}.badge{display:inline-flex;align-items:center;border-radius:999px;padding:4px 8px;font-size:11px;font-weight:800;background:#F2F4F7;color:#475467}.badge.NEW{background:#F2F4F7}.badge.IN_PROGRESS{background:var(--info-bg);color:var(--info)}.badge.REVIEW{background:var(--brand-soft);color:#7A5B00}.badge.DONE,.badge.APPROVED{background:var(--ok-bg);color:var(--ok)}.badge.CANCELLED,.badge.REJECTED{background:var(--danger-bg);color:var(--danger)}.badge.HIGH{background:var(--danger-bg);color:var(--danger)}.badge.MEDIUM{background:var(--brand-soft);color:#7A5B00}.badge.LOW{background:var(--info-bg);color:var(--info)}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:12px;background:#fff}.table{width:100%;border-collapse:collapse;min-width:760px}.table th,.table td{padding:11px 12px;border-bottom:1px solid var(--line);text-align:left;font-size:13px;vertical-align:top}.table th{background:#F9FAFB;color:#475467;font-size:11px;text-transform:uppercase;letter-spacing:.04em}.table tr:last-child td{border-bottom:0}.link{color:var(--info);font-weight:700;cursor:pointer}.filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}.filters .input{width:auto;min-width:160px}.drawer-bg,.modal-bg{position:fixed;inset:0;background:rgba(16,24,40,.38);z-index:50}.drawer-bg{display:flex;justify-content:flex-end}.drawer{width:min(680px,100%);height:100%;background:#fff;overflow:auto;box-shadow:-20px 0 50px rgba(16,24,40,.12)}.drawer-head,.modal-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;padding:18px 20px;border-bottom:1px solid var(--line);position:sticky;top:0;background:#fff;z-index:3}.drawer-body{padding:20px}.drawer-section{padding:18px 0;border-bottom:1px solid var(--line)}.drawer-section:last-child{border-bottom:0}.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.kv{padding:10px;background:#F9FAFB;border-radius:8px}.kv small{display:block;color:var(--muted);margin-bottom:4px}.history{display:grid;gap:10px}.history-item{display:grid;grid-template-columns:140px 1fr;gap:10px;font-size:13px}.modal-bg{display:grid;place-items:center;padding:20px}.modal{width:min(720px,100%);max-height:92vh;overflow:auto;background:#fff;border-radius:14px;box-shadow:var(--shadow)}.modal-body{padding:20px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.span2{grid-column:span 2}.check-row{display:flex;gap:10px;align-items:flex-start;padding:10px;border:1px solid var(--line);border-radius:9px}.check-row input{width:20px;height:20px}.notice{padding:11px 12px;border-radius:9px;background:var(--brand-soft);margin:10px 0}.toolbar{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.module-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.module-card{padding:17px;background:#fff;border:1px solid var(--line);border-radius:12px;cursor:pointer}.module-card:hover{box-shadow:var(--shadow)}.module-card h3{margin:0 0 6px;font-size:16px}.chat-layout{display:grid;grid-template-columns:300px 1fr;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#fff;min-height:560px}.chat-list{border-right:1px solid var(--line);padding:10px}.chat-item{padding:11px;border-radius:8px;cursor:pointer}.chat-item:hover,.chat-item.active{background:var(--brand-soft)}.chat-main{display:grid;grid-template-rows:1fr auto}.messages{padding:18px;overflow:auto;display:grid;align-content:start;gap:10px}.msg{max-width:70%;padding:9px 11px;border-radius:10px;background:#F2F4F7}.msg.mine{margin-left:auto;background:var(--brand-soft)}.msg small{display:block;color:var(--muted);margin-bottom:4px}.composer{padding:12px;border-top:1px solid var(--line);display:flex;gap:8px}.composer input{flex:1}.toast{position:fixed;right:18px;bottom:18px;z-index:90;max-width:380px;padding:12px 14px;border-radius:10px;background:#17202A;color:#fff;box-shadow:var(--shadow)}.toast.err{background:var(--danger)}.mobile-nav{display:none}.menu-btn{display:none}.progress{height:7px;background:#F2F4F7;border-radius:99px;overflow:hidden}.progress>i{display:block;height:100%;background:var(--brand)}@media(max-width:1050px){.metrics{grid-template-columns:repeat(2,1fr)}.grid2{grid-template-columns:1fr}.module-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:820px){.auth{grid-template-columns:1fr}.auth-brand{display:none}.shell{grid-template-columns:1fr}.sidebar{display:none}.sidebar.open{display:block;position:fixed;z-index:60;width:270px;left:0;top:0}.menu-btn{display:inline-flex}.topbar{padding:0 16px}.content{padding:18px 16px 86px}.page-head h1{font-size:24px;line-height:32px}.mobile-nav{display:grid;grid-template-columns:repeat(5,1fr);position:fixed;bottom:0;left:0;right:0;z-index:40;background:#fff;border-top:1px solid var(--line);padding:max(6px,env(safe-area-inset-bottom)) 5px 6px}.mobile-nav button{border:0;background:transparent;padding:7px 3px;font-size:10px;color:var(--muted)}.mobile-nav button b{display:block;font-size:18px}.form-grid{grid-template-columns:1fr}.span2{grid-column:span 1}.chat-layout{grid-template-columns:1fr}.chat-list{border-right:0}.chat-main{min-height:520px}.history-item{grid-template-columns:1fr}.detail-grid{grid-template-columns:1fr}}@media(max-width:560px){.metrics{grid-template-columns:1fr 1fr;gap:9px}.card{padding:15px}.module-grid{grid-template-columns:1fr}.page-head{align-items:flex-start}.top-actions .hide-mobile{display:none}.auth-form{padding:26px 20px}.task-top{display:block}.grid2.equal{grid-template-columns:1fr}}
.global-search{height:38px;min-width:320px;max-width:520px;display:flex;align-items:center;gap:8px;background:#F9FAFB;border:1px solid var(--line);border-radius:9px;padding:0 10px;margin-left:12px}.global-search input{border:0;outline:0;background:transparent;width:100%;font:inherit;color:var(--text)}.search-result{width:100%;display:grid;grid-template-columns:82px 1fr;gap:12px;align-items:start;text-align:left;border:0;border-bottom:1px solid var(--line);background:#fff;padding:13px 8px}.search-result:hover{background:#F9FAFB}.search-result small{display:block;color:var(--muted);margin-top:3px}.search-type{font-size:10px;font-weight:800;text-transform:uppercase;letter-spacing:.05em;background:var(--brand-soft);padding:4px 7px;border-radius:999px;text-align:center}.media-layout{display:grid;grid-template-columns:240px 1fr;gap:16px;align-items:start}.media-side{position:sticky;top:82px;padding:14px}.folder-row{width:100%;display:flex;justify-content:space-between;gap:10px;align-items:center;border:0;background:transparent;border-radius:8px;padding:9px 10px;text-align:left;color:#475467}.folder-row:hover,.folder-row.active{background:var(--brand-soft);color:var(--text);font-weight:800}.tag-cloud{display:flex;gap:6px;flex-wrap:wrap}.tag-pill{border:0;background:#F2F4F7;color:#475467;border-radius:999px;padding:5px 8px;font-size:11px}.tag-pill:hover{background:var(--brand-soft)}.tag-pill.static{cursor:default;padding:3px 7px}.media-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.media-card{border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#fff;cursor:pointer;min-width:0}.media-card:hover{box-shadow:var(--shadow);transform:translateY(-1px)}.media-preview{height:150px;display:grid;place-items:center;font-size:42px;background:#F8FAFC;border-bottom:1px solid var(--line)}.media-preview.image{background:#FFF8DD}.media-preview.video{background:#EFF8FF}.media-preview.audio{background:#ECFDF3}.media-card-body{padding:12px;display:grid;gap:7px}.media-card-body b{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:block}.media-full{width:100%;max-height:440px;object-fit:contain;border:1px solid var(--line);border-radius:10px;background:#F9FAFB}.media-detail{width:min(900px,100%)}.media-metrics{grid-template-columns:repeat(4,minmax(0,1fr))}.chat-room-head{height:56px;padding:10px 14px;border-bottom:1px solid var(--line);display:flex;gap:10px;align-items:center;justify-content:space-between}.chat-files{display:flex;gap:7px;flex-wrap:wrap;padding:12px;border-top:1px dashed var(--line);margin-top:10px}.file-chip{border:1px solid var(--line);background:#fff;border-radius:999px;padding:6px 9px;font-size:12px}.reply-chip{font-size:11px;color:var(--muted);border-left:2px solid var(--brand);padding-left:6px;margin-bottom:4px}.system-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}.system-grid .kv b{display:block;margin-top:3px}.span2.card{grid-column:span 2}@media(max-width:1200px){.media-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.system-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.global-search{min-width:240px}}@media(max-width:900px){.media-layout{grid-template-columns:1fr}.media-side{position:static}.media-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.span2.card{grid-column:span 1}}@media(max-width:560px){.media-grid{grid-template-columns:1fr}.media-metrics{grid-template-columns:1fr 1fr}.system-grid{grid-template-columns:1fr}.media-preview{height:120px}}
.voice-record-box{margin-top:10px;padding:12px;border:1px dashed var(--line);border-radius:10px;background:#F9FAFB;display:grid;gap:9px}.voice-hold{touch-action:none;user-select:none;-webkit-user-select:none}.voice-hold.recording{background:var(--danger);border-color:var(--danger);color:#fff;box-shadow:0 0 0 4px rgba(180,35,24,.12)}.voice-hold.compact{min-width:46px;padding:9px 11px}.voice-status{font-size:12px;color:var(--muted);min-height:18px}.chat-voice-status{padding:5px 12px 0}.voice-player{width:min(100%,360px);height:38px;margin-top:8px}.voice-attachment{padding:10px 0;border-bottom:1px solid var(--line);display:grid;gap:5px}.msg .voice-player{width:260px;max-width:100%}@media(max-width:560px){.composer{gap:5px}.voice-hold.compact{min-width:42px;padding:8px}.msg{max-width:88%}}
.msg-delete{border:0;background:transparent;color:var(--danger);padding:0 2px;font-size:11px;font-weight:700;cursor:pointer}.msg-delete:hover{text-decoration:underline}

/* 6.6 employee/task participant UI */
.person-picker{border:1px solid var(--line);border-radius:11px;padding:10px;background:#fff}.person-add-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px}.person-add-row select{min-width:0}.person-selected{display:flex;flex-wrap:wrap;gap:8px;margin-top:9px}.person-chip{display:inline-flex;align-items:center;gap:8px;background:var(--brand-soft);border:1px solid #F1D77B;border-radius:10px;padding:6px 7px 6px 9px}.person-chip span{display:grid;line-height:1.15}.person-chip small{font-size:10px;color:var(--muted);margin-top:2px}.person-chip button{width:24px;height:24px;border:0;border-radius:7px;background:#fff;cursor:pointer;font-size:18px;line-height:20px}.person-chip button:hover{background:var(--danger-bg);color:var(--danger)}
@media(max-width:560px){.person-add-row{grid-template-columns:1fr}.person-add-row .btn{width:100%}}