:root{
  --bg:#07111d;
  --bg-deep:#050b13;
  --rail:#07101a;
  --pane:#0a1421;
  --pane-2:#0d1928;
  --pane-3:#102033;
  --hover:#12243a;
  --active:#153765;
  --line:rgba(151,181,219,.105);
  --line-strong:rgba(151,181,219,.19);
  --text:#f3f7fd;
  --text-2:#d6e1ef;
  --muted:#8598b0;
  --muted-2:#60758e;
  --accent:#2e82f7;
  --accent-2:#63a7ff;
  --success:#42d792;
  --danger:#ff667c;
  --warning:#f1b653;
  --shadow:0 22px 70px rgba(0,0,0,.32);
  --radius:14px;
  --radius-lg:18px;
  --ease:cubic-bezier(.2,.8,.2,1);
}
*{box-sizing:border-box}
html,body,#root{height:100%;min-height:100%;margin:0}
body{font-family:"Microsoft YaHei","PingFang SC","Noto Sans CJK SC","Segoe UI",Arial,sans-serif;background:var(--bg);color:var(--text);overflow:hidden;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
button,input,textarea,select{font:inherit;color:inherit}
button{border:0}
button,input,select,textarea{-webkit-tap-highlight-color:transparent}
button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:2px solid rgba(67,145,255,.8);outline-offset:2px}
.hidden{display:none!important}
.icon{display:block;width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex:none}
.icon.s16{width:16px;height:16px}.icon.s18{width:18px;height:18px}.icon.s22{width:22px;height:22px}.icon.s24{width:24px;height:24px}
.brand-mark{width:36px;height:36px;border-radius:11px;background:linear-gradient(145deg,#5ba9ff 0%,#1c71ec 67%,#075bcf 100%);display:grid;place-items:center;box-shadow:0 8px 26px rgba(32,119,245,.26);flex:none}.brand-mark svg{width:21px;height:21px}

/* buttons */
.primary-btn,.secondary-btn,.ghost-btn,.danger-btn,.mini-btn,.head-icon-btn,.icon-btn,.send-btn,.file-btn,.profile-action{cursor:pointer;transition:background .16s var(--ease),border-color .16s var(--ease),color .16s var(--ease),transform .16s var(--ease),opacity .16s}
.primary-btn,.secondary-btn,.ghost-btn,.danger-btn{height:44px;border-radius:11px;padding:0 16px;display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:13px;font-weight:750}
.primary-btn{background:linear-gradient(180deg,#3489fb,#216fe8);color:#fff;box-shadow:0 10px 26px rgba(28,111,230,.22)}.primary-btn:hover{filter:brightness(1.05);transform:translateY(-1px)}.primary-btn:disabled{opacity:.55;cursor:not-allowed;transform:none}.primary-btn.full{width:100%;height:48px}.primary-btn.compact{height:39px;padding:0 14px}
.secondary-btn{background:#14263b;border:1px solid var(--line-strong);color:#d9e6f7}.secondary-btn:hover{background:#19304c}
.ghost-btn{background:transparent;color:#8da1ba}.ghost-btn:hover{background:rgba(255,255,255,.045);color:#e5edf8}
.danger-btn{background:rgba(255,91,113,.11);border:1px solid rgba(255,91,113,.17);color:#ff8999}.danger-btn:hover{background:rgba(255,91,113,.17)}
.mini-btn{height:32px;padding:0 10px;border-radius:9px;background:#14253a;color:#93a8c0;display:inline-flex;align-items:center;gap:6px;font-size:11px}.mini-btn:hover{background:#19304d;color:#e2ebf7}
.head-icon-btn,.icon-btn{width:38px;height:38px;border-radius:10px;background:transparent;color:#8296af;display:grid;place-items:center}.head-icon-btn:hover,.icon-btn:hover{background:#13243a;color:#dce7f4}

/* authentication — intentionally flat, not card-in-card */
.auth-screen{height:100%;min-height:100%;display:grid;place-items:center;overflow:auto;padding:32px;background:radial-gradient(circle at 50% 118%,rgba(27,108,230,.25),transparent 32%),linear-gradient(145deg,#050a11,#081321 55%,#081728)}
.auth-screen:before{content:"";position:fixed;inset:0;pointer-events:none;background-image:linear-gradient(rgba(255,255,255,.018) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.014) 1px,transparent 1px);background-size:48px 48px;mask-image:linear-gradient(to bottom,transparent,black 35%,black 80%,transparent)}
.auth-card{position:relative;z-index:1;width:min(100%,390px);animation:authIn .42s var(--ease) both}
.auth-logo{display:flex;align-items:center;gap:12px;margin-bottom:38px}.auth-logo>div{min-width:0}.auth-logo strong{display:block;font-size:22px;line-height:1.1;letter-spacing:-.025em}.auth-logo>div>span{display:block;color:#788da8;font-size:12px;margin-top:5px}
.auth-title{font-size:30px;line-height:1.15;letter-spacing:-.045em;margin:0 0 8px;font-weight:780}.auth-foot{color:#7287a2;text-align:center;font-size:12px;margin:22px 0 0}.auth-foot button{background:none;color:#68a8ff;padding:0;cursor:pointer;font-weight:700}
.auth-tabs{height:43px;display:flex;gap:25px;border-bottom:1px solid var(--line);margin-bottom:24px}.auth-tab{height:43px;padding:0 1px;background:none;color:#6e829c;font-size:13px;font-weight:700;cursor:pointer;position:relative}.auth-tab.active{color:#f0f5fc}.auth-tab.active:after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;border-radius:2px;background:#3288ff;box-shadow:0 0 14px rgba(50,136,255,.35)}
.field{display:block;margin-bottom:16px}.field>.field-label{display:block;margin-bottom:7px;color:#8da0b8;font-size:12px;font-weight:680;line-height:1.3}.field>.input-wrap{display:flex!important;align-items:center!important;gap:10px!important;height:50px!important;margin:0!important;padding:0 14px!important;border:1px solid var(--line-strong)!important;border-radius:11px!important;background:#0b1726!important;color:#667d99!important;transition:.18s var(--ease)!important}.field>.input-wrap:focus-within{border-color:rgba(51,133,250,.78)!important;box-shadow:0 0 0 4px rgba(47,125,246,.095)!important;background:#0c1929!important}.field>.input-wrap input,.field>.input-wrap select,.field>.input-wrap textarea{display:block!important;flex:1!important;min-width:0!important;width:100%!important;border:0!important;outline:0!important;background:transparent!important;color:#f3f7fd!important;-webkit-text-fill-color:#f3f7fd!important;caret-color:#62a7ff!important;font-size:14px!important;line-height:normal!important;padding:0!important;margin:0!important}.field>.input-wrap input::placeholder{color:#526983!important;-webkit-text-fill-color:#526983!important}.field>.input-wrap input:-webkit-autofill{-webkit-box-shadow:0 0 0 1000px #0b1726 inset!important;-webkit-text-fill-color:#f3f7fd!important}.password-toggle{width:30px;height:30px;display:grid;place-items:center;flex:none;background:transparent;color:#71859f;border-radius:8px;cursor:pointer}.password-toggle:hover{background:#122239;color:#a9bbd1}
.form-note{font-size:11px;color:#60758f;line-height:1.6;margin:-5px 0 14px}.auth-error{min-height:19px;font-size:12px;color:#ff7489;margin:-4px 0 11px}.spinner{width:15px;height:15px;border-radius:50%;border:2px solid rgba(255,255,255,.24);border-top-color:#fff;animation:spin .7s linear infinite}

/* app */
.app-shell{height:100%;display:grid;grid-template-columns:76px 304px minmax(390px,1fr) 294px;background:var(--bg);animation:fade .2s ease both}
.nav-rail{min-width:0;background:var(--rail);border-right:1px solid var(--line);padding:15px 11px 13px;display:flex;flex-direction:column;align-items:center;position:relative;z-index:10}.nav-rail>.brand-mark{margin:3px 0 23px}.rail-nav{display:flex;flex-direction:column;gap:5px;width:100%}.rail-btn{position:relative;width:100%;height:49px;border-radius:11px;background:transparent;color:#71859e;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:3px;font-size:9px;font-weight:700;cursor:pointer}.rail-btn:hover{background:#0f1d2e;color:#b8c7da}.rail-btn.active{background:rgba(46,130,247,.12);color:#66a9ff}.rail-btn.active:before{content:"";position:absolute;left:-11px;width:3px;height:24px;border-radius:0 4px 4px 0;background:#3289ff}.rail-spacer{flex:1}.me-mini{width:42px;height:42px;border-radius:50%;background:transparent;padding:0;position:relative;cursor:pointer}.presence-dot{position:absolute;right:0;bottom:1px;width:10px;height:10px;border:2px solid var(--rail);border-radius:50%;background:#3fda90}
.nav-badge,.count-badge,.inline-badge,.title-badge{display:inline-grid;place-items:center;min-width:18px;height:18px;padding:0 5px;border-radius:9px;background:#ef4058;color:#fff;font-size:10px;font-weight:800;line-height:1}.nav-badge{position:absolute;top:4px;right:7px}.inline-badge{margin-left:auto}.title-badge{margin-left:6px;vertical-align:middle}.count-badge{background:#2c82f6}
.avatar{display:grid;place-items:center;flex:none;border-radius:50%;overflow:hidden;color:#fff;font-weight:800;user-select:none}.avatar img{width:100%;height:100%;object-fit:cover}.avatar.xs{width:28px;height:28px;font-size:10px}.avatar.sm{width:36px;height:36px;font-size:11px}.avatar.md{width:44px;height:44px;font-size:13px}.avatar.lg{width:62px;height:62px;font-size:18px}.avatar.xl{width:84px;height:84px;font-size:25px}
.list-pane{min-width:0;background:var(--pane);border-right:1px solid var(--line);display:flex;flex-direction:column}.pane-head{height:67px;display:flex;align-items:center;gap:8px;padding:0 15px;border-bottom:1px solid var(--line)}.pane-head h2{margin:0;flex:1;font-size:18px;letter-spacing:-.025em}.search-box{height:39px;margin:12px 13px 7px;padding:0 11px;display:flex;align-items:center;gap:8px;border-radius:10px;background:#0f1c2d;border:1px solid rgba(255,255,255,.035);color:#647b98}.search-box input{flex:1;min-width:0;background:none;border:0;outline:0;color:#dce7f4;font-size:12px}.search-box input::placeholder{color:#536a85}.list-scroll{flex:1;min-height:0;overflow:auto;padding:5px 8px 14px;scrollbar-width:thin;scrollbar-color:#273b55 transparent}.conv-row{height:66px;display:flex;align-items:center;gap:10px;padding:7px 8px;border-radius:11px;cursor:pointer;transition:.15s}.conv-row:hover,.contact-row:hover,.side-list-row:hover{background:#0f1e31}.conv-row.active{background:linear-gradient(100deg,rgba(38,122,239,.27),rgba(26,84,166,.11));box-shadow:inset 0 0 0 1px rgba(62,137,244,.1)}.conv-main{flex:1;min-width:0}.conv-top,.conv-bottom{display:flex;align-items:center;gap:6px}.conv-name{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13px;font-weight:760}.conv-time{font-size:10px;color:#61758f}.conv-preview{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-top:4px;font-size:11px;color:#768ba5}.section-empty,.page-empty{padding:42px 20px;text-align:center;color:#667b95;font-size:12px;line-height:1.7}.section-empty .empty-icon{width:54px;height:54px;margin:0 auto 12px;border-radius:15px;background:#102035;color:#6d829c;display:grid;place-items:center}.page-empty.small{padding:20px 8px}
.contact-list{padding:4px 8px}.contact-row,.side-list-row,.request-row,.request-entry{display:flex;align-items:center;gap:10px;min-height:58px;padding:8px;border-radius:11px;cursor:pointer}.contact-row>div,.side-list-row>div,.request-main{min-width:0;flex:1}.contact-row strong,.side-list-row strong,.request-row strong{display:block;font-size:12px}.contact-row span,.side-list-row span,.request-row span{display:block;color:#72869f;font-size:10px;margin-top:3px}.request-banner{margin:4px 8px 8px;border-radius:11px;background:rgba(239,64,88,.08);border:1px solid rgba(239,64,88,.12);color:#ff8495;padding:10px 11px;font-size:11px}.row-icon{width:32px;height:32px;border-radius:9px;background:#10233a;color:#75aaff;display:grid;place-items:center;flex:none}

.chat-pane{min-width:0;position:relative;background:linear-gradient(180deg,#091522,#08121e);display:flex;flex-direction:column}.chat-pane:before{content:"";position:absolute;inset:68px 0 70px;pointer-events:none;background-image:radial-gradient(rgba(126,157,195,.045) 1px,transparent 1px);background-size:24px 24px;mask-image:linear-gradient(to bottom,transparent,#000 12%,#000 88%,transparent)}.chat-head{height:67px;display:flex;align-items:center;gap:10px;padding:0 15px;border-bottom:1px solid var(--line);position:relative;z-index:1}.mobile-back{display:none}.chat-head-info{min-width:0;flex:1}.chat-title{font-size:13px;font-weight:780;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-sub{font-size:10px;color:#71869f;margin-top:3px}.chat-actions{display:flex;gap:2px}.messages{position:relative;z-index:1;flex:1;min-height:0;overflow:auto;padding:24px 8% 22px;scrollbar-width:thin;scrollbar-color:#263a54 transparent}.day-sep{text-align:center;color:#536982;font-size:10px;margin:5px 0 18px}.message-row{display:flex;align-items:flex-end;gap:8px;margin:9px 0}.message-row.mine{justify-content:flex-end}.message-row.mine .avatar{display:none}.bubble{max-width:min(72%,620px);padding:10px 12px;border-radius:13px 13px 13px 4px;background:#122238;border:1px solid rgba(255,255,255,.035);font-size:12px;line-height:1.6;color:#dce6f3}.message-row.mine .bubble{border-radius:13px 13px 4px 13px;background:linear-gradient(145deg,#1e66b7,#185594);border-color:rgba(66,149,242,.15);color:#fff}.bubble-meta{margin-top:5px;font-size:9px;color:#6e839d;text-align:right}.message-row.mine .bubble-meta{color:#9bc5ef}.system-message{width:max-content;max-width:82%;margin:12px auto;padding:6px 10px;border-radius:9px;background:rgba(255,255,255,.035);color:#71869e;font-size:10px}.chat-empty{height:100%;display:grid;place-items:center;text-align:center;color:#6d819a}.empty-orb{width:82px;height:82px;border-radius:50%;display:grid;place-items:center;margin:0 auto 15px;background:radial-gradient(circle at 36% 28%,#539cff,#1c4b88 58%,#10243d 100%);box-shadow:0 18px 60px rgba(29,102,207,.18)}.chat-empty strong{display:block;color:#cbd8e7;font-size:15px;margin-bottom:5px}.composer{height:70px;position:relative;z-index:2;border-top:1px solid var(--line);padding:10px 13px;display:flex;align-items:center;gap:7px;background:rgba(8,18,30,.88);backdrop-filter:blur(14px)}.composer-box{height:46px;flex:1;min-width:0;border-radius:12px;background:#0e1b2c;border:1px solid var(--line);display:flex;align-items:center;padding:0 12px;color:#637992}.composer-box input{flex:1;min-width:0;border:0;outline:0;background:transparent;color:#dfe9f5;font-size:12px}.composer-box input::placeholder{color:#526982}.composer-box.locked{opacity:.78}.send-btn{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:#2d82f7;color:#fff;box-shadow:0 8px 26px rgba(45,130,247,.28)}.send-btn:disabled{background:#163458;color:#637f9f;box-shadow:none;cursor:not-allowed}.file-btn{width:36px;height:36px;border-radius:9px;background:transparent;color:#71869f;display:grid;place-items:center}.file-btn:hover{background:#13243a;color:#d2deed}

.detail-pane{min-width:0;background:#09131f;border-left:1px solid var(--line);overflow:auto}.detail-head{height:67px;display:flex;align-items:center;padding:0 15px;border-bottom:1px solid var(--line)}.detail-head strong{flex:1;font-size:13px}.profile-card{text-align:center;padding:26px 18px 20px;border-bottom:1px solid var(--line)}.profile-card>.avatar{margin:0 auto 12px}.profile-card h3{margin:0;font-size:16px}.profile-card p{margin:5px 0 0;color:#71869e;font-size:10px}.profile-actions{display:flex;justify-content:center;gap:11px;margin-top:18px}.profile-action{width:52px;background:transparent;color:#8297af;text-align:center;font-size:9px}.profile-action i{width:39px;height:39px;margin:0 auto 6px;border-radius:11px;background:#102036;display:grid;place-items:center;font-style:normal}.profile-action:hover i{background:#17304d;color:#8fc0ff}.detail-section{padding:15px;border-bottom:1px solid var(--line)}.detail-section h4,.section-title{margin:0 0 11px;font-size:11px;font-weight:800;color:#b9c8da}.detail-label{font-size:10px;color:#627790}.detail-value{font-size:11px;color:#c3d1e1;margin-top:3px;word-break:break-all}.content-actions{display:flex;gap:7px;flex-wrap:wrap}.content-head{height:67px;padding:0 18px;display:flex;align-items:center;border-bottom:1px solid var(--line)}.content-head h2{margin:0;flex:1;font-size:18px}.content-body{overflow:auto;padding:18px 20px 36px}.content-pane{min-width:0;display:flex;flex-direction:column;background:#091522}

/* settings */
.settings-hero{display:flex;align-items:center;gap:14px;padding:20px 0 22px;border-bottom:1px solid var(--line)}.settings-hero h2{font-size:18px;margin:0}.settings-hero p{margin:5px 0 0;color:#7488a1;font-size:11px}.settings-group,.surface-section{margin-top:18px;border-top:1px solid var(--line)}.surface-section{padding-top:15px}.setting-row{min-height:57px;display:flex;align-items:center;gap:12px;border-bottom:1px solid rgba(255,255,255,.035);padding:7px 0}.setting-row>div{flex:1;min-width:0}.setting-row strong{display:block;font-size:12px}.setting-row span{display:block;color:#6e829b;font-size:10px;margin-top:4px}.setting-actions{display:flex;gap:7px}.logout-row{margin-top:24px}.quick-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:12px}.lookup-card,.invite-code-box{border:1px solid var(--line);background:#0e1b2c;border-radius:12px;padding:13px}.lookup-card strong{font-size:12px}.lookup-card p{color:#70849e;font-size:10px;margin:4px 0 0}.invite-code-box{display:flex;align-items:center;gap:8px}.invite-code-box strong{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:15px;letter-spacing:.06em;flex:1;word-break:break-all}
.switch{position:relative;width:40px;height:22px;border-radius:11px;background:#1a2c42;flex:none;transition:.2s}.switch:after{content:"";position:absolute;left:3px;top:3px;width:16px;height:16px;border-radius:50%;background:#71869f;transition:.2s}.switch.on{background:#1769ce}.switch.on:after{left:21px;background:white}.toggle-row{min-height:54px;display:flex;align-items:center;gap:12px;border-bottom:1px solid rgba(255,255,255,.04);cursor:pointer}.toggle-row>div{flex:1}.toggle-row strong{font-size:11px}.toggle-row span{display:block;color:#687d97;font-size:9px;margin-top:4px}.toggle-row input{position:absolute;opacity:0;pointer-events:none}.toggle-row i{position:relative;width:38px;height:21px;border-radius:11px;background:#1a2b41;transition:.2s;flex:none}.toggle-row i:after{content:"";position:absolute;top:3px;left:3px;width:15px;height:15px;border-radius:50%;background:#71849c;transition:.2s}.toggle-row input:checked+i{background:#1f78e6}.toggle-row input:checked+i:after{left:20px;background:#fff}.toggle-row input:disabled+i{opacity:.45}

/* QR / scanning */
.qr-modal{text-align:center}.real-qr{width:210px;height:210px;display:block;margin:8px auto 14px;border-radius:14px;padding:10px;background:white;image-rendering:auto}.qr-actions,.scan-actions{display:flex;gap:8px;justify-content:center;flex-wrap:wrap}.scan-frame{height:250px;border-radius:15px;overflow:hidden;background:#050a10;border:1px solid var(--line-strong);position:relative;display:grid;place-items:center}.scan-frame video{width:100%;height:100%;object-fit:cover}.scan-line{position:absolute;left:12%;right:12%;height:1px;background:#45a0ff;box-shadow:0 0 13px #45a0ff;animation:scan 2.1s ease-in-out infinite}.scan-inline{margin-top:12px}.scan-inline textarea{width:100%;height:76px;resize:none;border-radius:10px;border:1px solid var(--line);background:#0b1726;color:#dce7f4;padding:10px;font-size:11px;outline:0}

/* group manager / requests */
.group-manage{display:grid;gap:14px}.member-list{display:grid;gap:3px}.member-row{display:flex;align-items:center;gap:9px;min-height:48px;padding:6px 4px}.member-row>div{min-width:0}.member-row strong{display:block;font-size:11px}.member-row span{display:block;color:#6d829c;font-size:9px;margin-top:3px}.request-entry{background:#0e1b2c;border:1px solid var(--line);margin-bottom:6px}.request-entry .content-actions{margin-left:auto}.status-pill{height:21px;display:inline-flex;align-items:center;padding:0 8px;border-radius:11px;background:rgba(60,218,143,.1);color:#67e4a4;font-size:9px;font-weight:700}.notice{padding:10px 11px;border-radius:9px;background:rgba(59,136,248,.08);border:1px solid rgba(59,136,248,.12);color:#8cbcff;font-size:10px;line-height:1.55}.notice.danger{background:rgba(255,91,113,.08);border-color:rgba(255,91,113,.13);color:#ff8d9c}.account-banner{margin:0 0 14px;border-radius:11px;background:rgba(242,183,82,.08);border:1px solid rgba(242,183,82,.15);padding:11px 13px;color:#efbd69;font-size:11px}.restriction-card{text-align:center;padding:4px 8px 10px}.restriction-card .empty-orb{background:radial-gradient(circle at 35% 28%,#ffbf63,#8a4d22 58%,#352517)}.confirm-text{font-size:12px;color:#aebfd2;line-height:1.7}.muted-center{text-align:center;color:#6c819b;font-size:10px;line-height:1.55}

/* modals / sheets */
.modal-layer{position:fixed;inset:0;z-index:100;background:rgba(1,5,10,.67);backdrop-filter:blur(9px);display:grid;place-items:center;padding:18px}.modal{width:min(100%,510px);max-height:90vh;overflow:auto;border-radius:17px;background:#0d1928;border:1px solid var(--line-strong);box-shadow:0 30px 90px rgba(0,0,0,.5);animation:modalIn .22s var(--ease);scrollbar-width:thin;scrollbar-color:#29405c transparent}.modal-head{height:58px;display:flex;align-items:center;padding:0 17px;border-bottom:1px solid var(--line);position:sticky;top:0;background:rgba(13,25,40,.96);backdrop-filter:blur(15px);z-index:2}.modal-head h3{margin:0;flex:1;font-size:14px}.modal-body{padding:16px 17px}.modal-actions{display:flex;justify-content:flex-end;gap:8px;padding:0 17px 17px}.action-sheet{width:min(100%,380px)}.action-sheet .modal-body{padding:8px}.action-sheet button{width:100%;height:44px;border-radius:9px;background:transparent;color:#c9d6e5;text-align:left;padding:0 12px;display:flex;align-items:center;gap:10px;cursor:pointer}.action-sheet button:hover{background:#14253a}.action-sheet button.danger{color:#ff8192}.modal .field>.input-wrap{background:#0a1523!important}.modal select{cursor:pointer}.meta{color:#6d829c;font-size:10px}

/* toast */
.toast-root{position:fixed;right:18px;top:18px;z-index:150;display:flex;flex-direction:column;gap:8px}.toast{min-width:260px;max-width:410px;display:flex;align-items:center;gap:9px;padding:11px 13px;border-radius:11px;background:#122238;border:1px solid var(--line-strong);box-shadow:var(--shadow);font-size:11px;color:#dbe6f3;animation:toastIn .2s var(--ease)}.toast-icon{width:26px;height:26px;border-radius:8px;background:#19304d;color:#82b8ff;display:grid;place-items:center;flex:none}.toast.success{border-color:rgba(57,216,139,.2)}.toast.success .toast-icon{background:rgba(57,216,139,.1);color:#66e5a4}.toast.error{border-color:rgba(255,92,114,.2)}.toast.error .toast-icon{background:rgba(255,92,114,.1);color:#ff8e9d}

.mobile-bottom-nav{display:none}
@keyframes authIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}@keyframes fade{from{opacity:0}to{opacity:1}}@keyframes modalIn{from{opacity:0;transform:translateY(8px) scale(.988)}to{opacity:1;transform:none}}@keyframes toastIn{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}@keyframes spin{to{transform:rotate(360deg)}}@keyframes scan{0%,100%{top:18%}50%{top:81%}}

@media(max-width:1180px){.app-shell{grid-template-columns:72px 286px minmax(390px,1fr)}.detail-pane{display:none}}
@media(max-width:760px){
  body{overflow:hidden}.auth-screen{padding:24px}.auth-card{width:min(100%,370px)}.auth-logo{margin-bottom:34px}.auth-title{font-size:28px}
  .app-shell{display:block;height:100%;padding-bottom:64px}.nav-rail{display:none}.detail-pane{display:none}.list-pane,.chat-pane,.content-pane{position:absolute;inset:0 0 64px}.list-pane{border:0}.pane-head,.chat-head,.content-head{height:61px}.search-box{margin-top:10px}.chat-pane{display:none}.app-shell.chat-open .list-pane,.app-shell.content-open .list-pane{display:none}.app-shell.chat-open .chat-pane{display:flex}.app-shell.content-open .content-pane{display:flex}.chat-pane,.content-pane{background:#08131f}.mobile-back{display:grid}.messages{padding:18px 13px}.bubble{max-width:84%}.composer{height:65px;padding:8px 10px}.detail-pane{display:none}.content-body{padding:14px 15px 28px}.settings-hero{padding-top:8px}.quick-grid{grid-template-columns:1fr}
  .mobile-bottom-nav{position:fixed;z-index:30;left:0;right:0;bottom:0;height:64px;background:rgba(7,16,27,.96);backdrop-filter:blur(18px);border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(4,1fr);padding-bottom:env(safe-area-inset-bottom)}.mobile-nav-btn{position:relative;background:transparent;color:#6e839d;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:3px;font-size:9px;font-weight:700}.mobile-nav-btn.active{color:#56a0ff}.mobile-nav-btn .nav-badge{right:calc(50% - 22px);top:5px}
  .modal-layer{align-items:end;padding:0}.modal{width:100%;max-height:88vh;border-radius:18px 18px 0 0;border-bottom:0}.action-sheet{width:100%}.real-qr{width:190px;height:190px}
  .toast-root{left:12px;right:12px;top:12px}.toast{min-width:0;max-width:none;width:100%}
}
@media(max-width:390px){.auth-screen{padding:20px}.pane-head{padding:0 12px}.content-body{padding-left:12px;padding-right:12px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
/* native-button resets for interactive list surfaces */
.contact-row,.side-list-row,.request-banner,.scan-inline,.logout-row,.quick-grid>button{border:0;color:inherit;font:inherit;text-align:left}
.contact-row,.side-list-row{width:100%;background:transparent}
.request-banner{width:100%;display:flex;align-items:center;gap:10px;background:rgba(239,64,88,.07);cursor:pointer}.request-banner>div{flex:1;text-align:left}.request-banner strong{display:block;font-size:11px}.request-banner small{display:block;color:#b77984;font-size:9px;margin-top:3px}.request-banner>b{min-width:20px;height:20px;border-radius:10px;background:#ef4058;color:white;display:grid;place-items:center;font-size:9px}
.quick-grid>button{min-height:86px;padding:13px;border-radius:12px;background:#0e1b2c;border:1px solid var(--line);cursor:pointer;display:grid;grid-template-columns:30px 1fr;grid-template-rows:auto auto;column-gap:9px;align-items:center}.quick-grid>button>.icon{grid-row:1/3;color:#75aaff}.quick-grid>button strong{font-size:11px}.quick-grid>button span{color:#6d829b;font-size:9px;margin-top:3px}.quick-grid>button:hover{background:#13243a;border-color:var(--line-strong)}
.scan-inline{display:inline-flex;align-items:center;gap:7px;background:transparent;color:#6fa9f6;padding:3px 0;margin-top:-2px;font-size:10px;cursor:pointer}.logout-row{width:100%;height:43px;border-radius:10px;background:rgba(255,102,124,.08);color:#ff8696;display:flex;align-items:center;justify-content:center;gap:8px;cursor:pointer}.logout-row:hover{background:rgba(255,102,124,.13)}
.accent{color:#70adff!important}.row-icon.accent{background:#102a4b;color:#70adff}.mini-btn.accent{background:#14355d;color:#8fc0ff}.file-btn input{display:none}.qr-modal>strong{display:block;font-size:15px;margin-top:2px}.qr-modal>span{display:block;color:#7589a2;font-size:10px;margin-top:5px}.qr-modal>p{color:#687d97;font-size:10px;line-height:1.6;margin:10px auto 13px;max-width:330px}.lookup-card{display:flex;align-items:center;gap:11px}.lookup-card>div{flex:1;min-width:0}.lookup-card span{display:block;color:#6d829b;font-size:9px;margin-top:4px}.lookup-card>.primary-btn{flex:none}.settings-hero>div{flex:1}.settings-hero>div span{color:#6e839c;font-size:10px}.settings-hero>button{flex:none}
/* small structural corrections */
.auth-title{margin-bottom:25px}.auth-title h1{margin:0 0 8px;font-size:30px;line-height:1.15;letter-spacing:-.045em}.auth-title p{margin:0;color:#7489a3;font-size:12px;line-height:1.5}.pane-head>div{flex:1;min-width:0}.pane-head>div>span{display:block;margin-top:3px;color:#5e748e;font-size:9px}.profile-action>.icon{width:39px;height:39px;padding:10px;margin:0 auto 6px;border-radius:11px;background:#102036}.profile-action>span{display:block;font-size:9px}.profile-action:hover>.icon{background:#17304d;color:#8fc0ff}.account-banner{position:fixed;z-index:60;left:88px;right:14px;top:10px;margin:0;box-shadow:0 8px 32px rgba(0,0,0,.22);display:flex;align-items:center;gap:7px;pointer-events:none}.mobile-nav-btn>b{position:absolute;right:calc(50% - 22px);top:5px;min-width:17px;height:17px;padding:0 4px;border-radius:9px;background:#ef4058;color:#fff;display:grid;place-items:center;font-size:9px}
@media(max-width:760px){.app-shell.mobile-chat .list-pane,.app-shell.mobile-content .list-pane{display:none}.app-shell.mobile-chat .chat-pane{display:flex}.app-shell.mobile-content .content-pane{display:flex}.account-banner{left:10px;right:10px;top:8px}.app-shell.mobile-chat .mobile-bottom-nav,.app-shell.mobile-content .mobile-bottom-nav{display:none}.app-shell.mobile-chat,.app-shell.mobile-content{padding-bottom:0}.app-shell.mobile-chat .chat-pane,.app-shell.mobile-content .content-pane{inset:0}}
.conv-row{border:0;background:transparent;color:inherit;text-align:left;width:100%}

/* V3 direct E2EE chat */
.e2ee-chip{width:max-content;max-width:86%;margin:0 auto 18px;padding:5px 10px;border-radius:999px;background:rgba(50,199,136,.08);border:1px solid rgba(50,199,136,.15);color:#79d9aa;font-size:9px;letter-spacing:.02em}.system-message.warning{background:rgba(236,170,68,.08);border:1px solid rgba(236,170,68,.12);color:#d7ad68}.system-message strong{margin-right:6px;color:inherit}.chat-empty.compact{height:auto;min-height:180px}.msg-status{display:inline-block;margin-left:5px;min-width:12px;font-weight:800;letter-spacing:-2px;color:#bcdcff}.msg-status.read{color:#7fd4ff}.msg-status.failed{color:#ff8390;letter-spacing:0}.composer-box.disabled{opacity:.68}.compact-profile{padding:8px 0 0}.compact-profile .avatar{margin-bottom:7px}.group-manage section{border-top:1px solid rgba(255,255,255,.045);padding-top:13px}.group-manage section:first-child{border-top:0;padding-top:0}

/* V3.1 chat UX: incremental messages, unread badges, reply/actions */
[hidden]{display:none!important}
.count-badge.message-unread,.nav-badge.message-unread{background:#ef4058;box-shadow:0 0 0 2px #0a1624}
.conv-bottom .message-unread{margin-left:6px;flex:none}
.bubble-wrap{display:flex;align-items:flex-end;gap:5px;max-width:min(76%,650px)}
.message-row.mine .bubble-wrap{flex-direction:row-reverse}
.bubble-wrap .bubble{max-width:100%}
.message-more{width:26px;height:26px;display:grid;place-items:center;border-radius:8px;background:transparent;color:#607691;opacity:0;transform:translateY(2px);transition:opacity .16s ease,background .16s ease,color .16s ease,transform .16s ease;flex:none}
.message-row:hover .message-more,.message-more:focus-visible{opacity:1;transform:none}
.message-more:hover{background:#13263d;color:#d8e6f6}
.reply-quote{display:block;width:100%;margin:0 0 7px;padding:6px 8px;border:0;border-left:2px solid #5ba5ff;border-radius:5px;background:rgba(5,14,24,.18);text-align:left;color:#cfe2fa;cursor:pointer}
.reply-quote span{display:block;color:#74b7ff;font-size:9px;font-weight:800;margin-bottom:2px}
.reply-quote strong{display:block;max-width:260px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:10px;font-weight:650}
.bubble-text{white-space:pre-wrap;word-break:break-word}
.composer-stack{flex:1;min-width:0;display:flex;flex-direction:column;gap:6px}
.composer:has(.composer-reply){height:auto;min-height:70px;align-items:flex-end}
.composer-reply{display:flex;align-items:center;gap:10px;padding:7px 9px;border-radius:10px;background:#102138;border:1px solid rgba(90,161,255,.13);animation:replyIn .16s ease}
.composer-reply>div{min-width:0;flex:1;border-left:2px solid #4a9cff;padding-left:8px}
.composer-reply span{display:block;color:#6eb0ff;font-size:9px;font-weight:800}.composer-reply strong{display:block;color:#bcd0e8;font-size:10px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.composer-reply button{width:26px;height:26px;border-radius:8px;background:transparent;color:#7389a3;font-size:18px}.composer-reply button:hover{background:#172a43;color:#fff}
.action-list{display:flex;flex-direction:column;gap:4px}.action-list button{min-height:42px;display:flex;align-items:center;gap:10px;padding:0 11px;border-radius:9px;background:transparent;color:#cbd8e8;text-align:left}.action-list button:hover{background:#112238}.action-list button.danger{color:#ff8798}.action-list button.danger:hover{background:rgba(239,64,88,.09)}
.message-enter{animation:messageIn .2s cubic-bezier(.2,.8,.2,1)}
.message-leave{pointer-events:none;animation:messageOut .18s ease forwards}
.message-highlight .bubble{animation:messageGlow .8s ease}
.status-pop{animation:statusPop .18s ease}
@keyframes messageIn{from{opacity:0;transform:translateY(7px) scale(.985)}to{opacity:1;transform:none}}
@keyframes messageOut{to{opacity:0;transform:translateY(-4px) scale(.985)}}
@keyframes messageGlow{0%,100%{box-shadow:none}35%{box-shadow:0 0 0 2px rgba(89,165,255,.35),0 0 26px rgba(55,132,226,.16)}}
@keyframes statusPop{50%{transform:scale(1.18)}}
@keyframes replyIn{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}
@media(max-width:760px){.bubble-wrap{max-width:88%}.message-more{opacity:.7}.composer:has(.composer-reply){padding-top:7px}.reply-quote strong{max-width:190px}}


/* V3.2 encrypted attachments + disappearing messages */
.composer-attach{width:38px;height:38px;border-radius:10px;background:transparent;color:#7188a5;display:grid;place-items:center;cursor:pointer;flex:none;transition:.16s var(--ease)}
.composer-attach:hover{background:#13263e;color:#d8e8fb}.composer-attach:disabled{opacity:.35;cursor:not-allowed;background:transparent}
.composer-burn{display:grid;place-items:center;color:#ff9b66;flex:none}.composer-burn .icon{stroke-width:2}
.attachment-card{position:relative;width:min(360px,72vw);min-height:62px;padding:9px 10px;border:0;border-radius:11px;background:rgba(4,13,23,.22);display:flex;align-items:center;gap:10px;color:inherit;text-align:left;cursor:pointer;transition:.16s var(--ease)}
.message-row.mine .attachment-card{background:rgba(3,27,54,.22)}.attachment-card:hover{background:rgba(255,255,255,.055);transform:translateY(-1px)}
.attachment-icon{width:42px;height:42px;border-radius:11px;background:#17345a;color:#87bcff;display:grid;place-items:center;flex:none}.image-card .attachment-icon{background:#164a48;color:#7ee6ca}
.attachment-info{min-width:0;flex:1}.attachment-info strong{display:block;font-size:11px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.attachment-info small{display:block;margin-top:4px;color:#8ea3bd;font-size:9px}.attachment-download{color:#88baff;flex:none}
.burn-mode,.burn-timer{display:inline-flex;align-items:center;gap:3px;color:#ffc087;font-size:8px;font-weight:800;margin-right:6px;white-space:nowrap}.burn-mode .icon{width:12px;height:12px}.burn-timer{color:#ffb36f}
.image-viewer{text-align:center}.image-viewer img{max-width:100%;max-height:68vh;border-radius:13px;display:block;margin:0 auto;box-shadow:0 18px 70px rgba(0,0,0,.42)}.image-view-meta{margin-top:10px;color:#758aa4;font-size:10px}
.attachment-pick{min-height:92px;padding:14px;border-radius:12px;background:#0e1b2c;border:1px solid var(--line);cursor:pointer;display:grid;grid-template-columns:32px 1fr;grid-template-rows:auto auto;column-gap:10px;align-items:center}.attachment-pick>.icon{grid-row:1/3;color:#79b0ff}.attachment-pick strong{font-size:11px}.attachment-pick span{font-size:9px;color:#6d829b;margin-top:3px}.attachment-pick input{display:none}.attachment-pick:hover{background:#13243a;border-color:var(--line-strong)}
.burn-option-list{display:flex;flex-direction:column;gap:5px}.burn-option{height:42px;padding:0 12px;border-radius:9px;background:#0f1d2e;color:#a9bbd1;display:flex;align-items:center;justify-content:space-between;cursor:pointer}.burn-option:hover{background:#142840}.burn-option.active{background:rgba(48,131,247,.13);color:#82b8ff;box-shadow:inset 0 0 0 1px rgba(76,150,255,.12)}
@media(max-width:760px){.composer-attach{width:36px;height:36px}.attachment-card{width:min(300px,74vw)}.image-viewer img{max-height:62vh}}