:root{
  --font-ui:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --font-brand:Georgia,"Times New Roman",serif;
  --bg:#FAFAFC;--bg2:#F3EFFA;--glass:rgba(255,255,255,.58);--glass2:rgba(255,255,255,.78);--glass3:rgba(255,255,255,.38);
  --line:rgba(117,99,152,.12);--line2:rgba(117,99,152,.22);--text:#45404F;--strong:#35303E;--muted:#8D8797;
  --accent:#8E7CC3;--accent2:#C9C3D9;--rose:#D7A995;--soft:#EDE6F7;
  --shadow:0 26px 72px rgba(93,76,125,.14);--shadow-soft:0 12px 30px rgba(93,76,125,.085);
  --bubble-me:linear-gradient(135deg,rgba(142,124,195,.96),rgba(215,169,149,.93));--bubble-them:rgba(255,255,255,.74)
}
html[data-theme="pearl"]{--bg:#F7F6F3;--bg2:#EEE9E1;--glass:rgba(255,255,255,.61);--glass2:rgba(255,255,255,.82);--glass3:rgba(255,255,255,.42);--line:rgba(137,124,104,.13);--line2:rgba(137,124,104,.23);--text:#514B45;--strong:#403A35;--muted:#8E867C;--accent:#B8A98F;--accent2:#D9D9DF;--rose:#C8BFB2;--soft:#EAE2D6;--shadow:0 26px 72px rgba(96,84,68,.13);--shadow-soft:0 12px 30px rgba(96,84,68,.075);--bubble-me:linear-gradient(135deg,rgba(200,191,178,.98),rgba(184,169,143,.97));--bubble-them:rgba(255,255,255,.78)}
html[data-theme="nudegold"]{--bg:#F9F4EC;--bg2:#EFE1D1;--glass:rgba(255,250,245,.59);--glass2:rgba(255,252,248,.84);--glass3:rgba(255,251,246,.44);--line:rgba(177,142,101,.14);--line2:rgba(177,142,101,.25);--text:#56483E;--strong:#45382F;--muted:#9A8778;--accent:#C39A5E;--accent2:#E7CFAE;--rose:#D8B08F;--soft:#F3E3D2;--shadow:0 26px 72px rgba(121,93,60,.13);--shadow-soft:0 12px 30px rgba(121,93,60,.08);--bubble-me:linear-gradient(135deg,rgba(231,207,174,.99),rgba(195,154,94,.96));--bubble-them:rgba(255,253,250,.80)}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{margin:0;min-height:100%;font-family:var(--font-ui);color:var(--text);background:var(--bg)}body{min-height:100vh;background:radial-gradient(circle at 12% 8%,rgba(215,169,149,.17),transparent 28%),radial-gradient(circle at 88% 16%,rgba(142,124,195,.15),transparent 31%),radial-gradient(circle at 54% 94%,rgba(201,195,217,.23),transparent 34%),linear-gradient(160deg,var(--bg),var(--bg2));overflow:hidden}html[data-theme="pearl"] body{background:radial-gradient(circle at 12% 10%,rgba(234,226,214,.72),transparent 27%),radial-gradient(circle at 87% 18%,rgba(217,217,223,.44),transparent 30%),radial-gradient(circle at 58% 92%,rgba(184,169,143,.18),transparent 35%),linear-gradient(160deg,var(--bg),var(--bg2))}html[data-theme="nudegold"] body{background:radial-gradient(circle at 12% 10%,rgba(243,227,210,.85),transparent 28%),radial-gradient(circle at 87% 18%,rgba(231,207,174,.48),transparent 31%),radial-gradient(circle at 58% 92%,rgba(195,154,94,.15),transparent 35%),linear-gradient(160deg,var(--bg),var(--bg2))}
button,input,textarea,select{font:inherit}button{cursor:pointer}.hidden{display:none!important}.glass{background:var(--glass);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);border:1px solid var(--line);box-shadow:var(--shadow-soft)}
.app-shell{height:100vh;max-width:1180px;margin:auto;padding:14px;display:grid;grid-template-rows:auto auto 1fr auto;gap:10px}.app-header{border-radius:24px;padding:10px 14px;display:flex;justify-content:space-between;align-items:center}.brand-mini{display:flex;align-items:center;gap:10px;min-width:0}.brand-mark{width:44px;height:44px;border-radius:16px;background:var(--glass2);border:1px solid var(--line);display:grid;place-items:center;overflow:hidden}.brand-mark img{width:38px;height:38px;object-fit:contain}.brand-mini strong{display:block;font-family:var(--font-brand);font-size:17px;font-weight:600;color:var(--strong);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.brand-mini small{font-size:10px;color:var(--muted)}.icon-button{width:40px;height:40px;padding:0;border-radius:14px;border:1px solid var(--line);background:var(--glass2);display:grid;place-items:center;color:var(--strong);box-shadow:none}.icon-button img{width:29px;height:29px;object-fit:contain}.search-wrap input{width:100%;border:1px solid var(--line);background:var(--glass);backdrop-filter:blur(20px);border-radius:17px;padding:12px 14px;color:var(--text);outline:none;box-shadow:var(--shadow-soft)}
.screens{position:relative;min-height:0}.screen{position:absolute;inset:0;display:none;overflow:auto;padding:4px 2px 94px}.screen.active{display:block}.screen-head{display:flex;align-items:center;justify-content:space-between;padding:10px 8px 12px;gap:14px}.screen-head h1{margin:2px 0 0;font-family:var(--font-brand);font-size:34px;font-weight:500;color:var(--strong)}.kicker,.section-label{font-size:10px;letter-spacing:.20em;text-transform:uppercase;color:var(--accent);font-weight:700}.section-label{padding:14px 8px 7px;color:var(--muted)}
.soft-action,.primary-action{border-radius:15px;padding:10px 13px;border:1px solid var(--line);background:var(--glass2);color:var(--strong);box-shadow:var(--shadow-soft)}.primary-action{background:linear-gradient(135deg,var(--accent),var(--rose));color:#fff;border-color:transparent}.rows{display:flex;flex-direction:column;gap:7px;padding:0 4px}.row{display:grid;grid-template-columns:52px 1fr auto;gap:11px;align-items:center;padding:10px;border:1px solid transparent;border-radius:20px;background:rgba(255,255,255,.26);transition:.18s}.row:hover{background:var(--glass3);border-color:var(--line)}.row-avatar{width:52px;height:52px;border-radius:18px;background:linear-gradient(145deg,var(--soft),var(--glass2));border:1px solid var(--line);display:grid;place-items:center;font-weight:700;color:var(--strong);box-shadow:var(--shadow-soft);overflow:hidden}.row-avatar img{width:100%;height:100%;object-fit:cover}.row-copy{min-width:0}.row-copy b{font-size:13px;color:var(--strong)}.row-copy p{margin:4px 0 0;font-size:11px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.row-meta{font-size:9px;color:var(--muted);text-align:right}.status-pill,.session-pill{display:inline-flex;align-items:center;gap:6px;padding:6px 9px;border-radius:999px;background:var(--glass2);border:1px solid var(--line);font-size:9px;color:var(--muted)}.session-pill i{width:7px;height:7px;border-radius:50%;background:#72b88a}
.call-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px;padding:0 4px}.call-action-card{border:1px solid var(--line);border-radius:22px;background:var(--glass);backdrop-filter:blur(20px);padding:14px;display:flex;align-items:center;gap:12px;color:var(--strong);text-align:left;box-shadow:var(--shadow-soft)}.call-action-card img{width:56px;height:56px;object-fit:contain}.call-action-card b,.call-action-card small{display:block}.call-action-card small{color:var(--muted);margin-top:3px}
.bottom-nav{border-radius:24px;padding:6px;display:grid;grid-template-columns:repeat(5,1fr);gap:4px;position:relative;z-index:12}.bottom-nav button{border:0;background:transparent;border-radius:17px;padding:5px 2px 4px;color:var(--muted);display:flex;flex-direction:column;align-items:center;gap:1px;font-size:9px}.bottom-nav button.active{background:var(--glass2);color:var(--strong);box-shadow:var(--shadow-soft)}.bottom-nav img{width:38px;height:38px;object-fit:contain}
.settings-stack{display:flex;flex-direction:column;gap:10px;padding:0 4px}.settings-card{border-radius:24px;padding:15px;display:flex;flex-direction:column;gap:10px}.settings-title{font-size:10px;text-transform:uppercase;letter-spacing:.18em;color:var(--muted);font-weight:700}.settings-card input,.settings-card textarea,.settings-card select,.auth-card input{width:100%;border:1px solid var(--line);background:var(--glass2);border-radius:15px;padding:11px 12px;color:var(--strong);outline:none}.settings-card textarea{min-height:74px;resize:vertical}.setting-line{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:7px 0}.setting-line b,.setting-line small{display:block}.setting-line b{color:var(--strong);font-size:12px}.setting-line small,.setting-note{color:var(--muted);font-size:10px;line-height:1.5}.theme-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:5px;min-width:220px}.language-grid{display:grid;grid-template-columns:1fr 1fr;gap:5px;min-width:130px}.theme-grid button,.language-grid button{border:1px solid var(--line);border-radius:12px;background:var(--glass2);color:var(--muted);padding:7px 6px;font-size:9px}.theme-grid button.active,.language-grid button.active{background:linear-gradient(135deg,var(--soft),rgba(215,169,149,.18));color:var(--strong);border-color:var(--line2)}.profile-line{display:flex;align-items:center;gap:12px}.profile-line small{display:block;color:var(--muted);margin-top:3px}.profile-photo{width:66px;height:66px;padding:0;border-radius:22px;border:1px solid var(--line);background:linear-gradient(145deg,var(--soft),var(--glass2));color:var(--strong);font-weight:700;overflow:hidden}.profile-photo img{width:100%;height:100%;object-fit:cover}
.chat-screen{padding:0 0 84px;overflow:hidden!important}.conversation-head{border-radius:22px;margin:2px 2px 8px;padding:8px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:9px}.conversation-head b,.conversation-head small{display:block}.conversation-head b{font-family:var(--font-brand);font-size:17px;color:var(--strong)}.conversation-head small{font-size:10px;color:var(--muted)}.head-actions{display:flex;gap:5px}.messages{height:calc(100% - 128px);overflow:auto;padding:8px;display:flex;flex-direction:column;gap:8px}.msg{max-width:78%;display:flex;flex-direction:column;gap:4px}.msg.me{align-self:flex-end}.bubble{border:1px solid var(--line);border-radius:18px;padding:11px 13px;background:var(--bubble-them);box-shadow:var(--shadow-soft);white-space:pre-wrap;line-height:1.45;font-size:13px}.msg.me .bubble{background:var(--bubble-me);color:#fff;border-color:transparent}.msg small{font-size:9px;color:var(--muted);padding:0 4px}.msg.me small{text-align:right}.composer{position:absolute;left:2px;right:2px;bottom:2px;border-radius:22px;padding:7px;display:grid;grid-template-columns:auto 1fr auto;gap:7px}.composer input{border:0;background:transparent;outline:none;color:var(--strong);min-width:0}.send-button{width:44px;height:44px;padding:0;border:0;background:transparent}.send-button img{width:44px;height:44px;object-fit:contain}
.auth-card,.picker-card{width:min(420px,92vw);padding:24px;border-radius:30px;display:flex;flex-direction:column;gap:10px}.auth-logo{width:90px;height:90px;object-fit:contain;margin:auto}.auth-card h2,.picker-card h3{font-family:var(--font-brand);font-weight:500;color:var(--strong);margin:0;text-align:center}.auth-card p,.auth-card small{color:var(--muted);text-align:center}.divider{text-align:center;position:relative;color:var(--muted);font-size:11px}.divider:before{content:"";position:absolute;left:0;right:0;top:50%;height:1px;background:var(--line)}.divider span{position:relative;background:var(--glass2);padding:0 8px}dialog{border:0;padding:0;background:transparent;border-radius:30px}dialog::backdrop{background:rgba(38,32,46,.22);backdrop-filter:blur(7px)}.picker-head{display:flex;justify-content:space-between;align-items:center}.picker-card .rows{max-height:55vh;overflow:auto}.picker-card h3{text-align:left}
.intro-overlay{position:fixed;inset:0;z-index:100;background:#FAFAFC;display:grid;place-items:center}.intro-overlay video{width:100%;height:100%;object-fit:cover}.skip-intro{position:absolute;right:20px;top:max(20px,env(safe-area-inset-top));border:1px solid rgba(255,255,255,.8);border-radius:999px;background:rgba(255,255,255,.68);backdrop-filter:blur(20px);padding:9px 14px;color:#5a4d44}.toast{position:fixed;left:50%;bottom:100px;transform:translateX(-50%);z-index:120;padding:10px 15px;border-radius:999px;background:rgba(40,35,47,.82);color:#fff;font-size:11px;box-shadow:var(--shadow-soft)}
html[dir="rtl"] .screen-head,html[dir="rtl"] .setting-line,html[dir="rtl"] .row{text-align:right}.empty{padding:22px;border:1px dashed var(--line2);border-radius:20px;text-align:center;color:var(--muted);font-size:12px;background:var(--glass3)}
@media(min-width:800px){.app-shell{max-width:760px;padding:22px}.bottom-nav{max-width:720px;width:100%;margin:auto}.screen{padding-left:6px;padding-right:6px}}
@media(max-width:560px){body{overflow:hidden}.app-shell{padding:max(8px,env(safe-area-inset-top)) 8px max(8px,env(safe-area-inset-bottom));gap:7px}.app-header{border-radius:20px}.brand-mini strong{font-size:15px}.screen-head h1{font-size:30px}.call-actions{grid-template-columns:1fr 1fr}.call-action-card{padding:10px;gap:8px}.call-action-card img{width:48px;height:48px}.theme-grid{min-width:0}.setting-line{align-items:flex-start;flex-direction:column}.setting-line>div,.setting-line>select{width:100%}.theme-grid,.language-grid{width:100%;min-width:0}.bottom-nav{border-radius:21px}.bottom-nav img{width:34px;height:34px}.bottom-nav button{font-size:8px}.messages{height:calc(100% - 126px)}}
/* Admin web surface used inside the Windows Admin shell */
.admin-shell{height:100vh;display:grid;grid-template-columns:230px 1fr;gap:12px;padding:12px}.admin-sidebar,.admin-main{border-radius:26px;overflow:hidden}.admin-sidebar{padding:14px;display:flex;flex-direction:column;gap:9px}.admin-brand{display:flex;align-items:center;gap:9px;padding:4px 2px 12px}.admin-brand img{width:50px;height:50px;object-fit:contain}.admin-brand b,.admin-brand small{display:block}.admin-brand b{font-family:var(--font-brand);color:var(--strong)}.admin-brand small{font-size:9px;color:var(--muted)}.admin-nav{display:flex;flex-direction:column;gap:6px}.admin-nav button{border:1px solid transparent;border-radius:14px;background:transparent;padding:10px;text-align:left;color:var(--text)}.admin-nav button:hover,.admin-nav button.active{background:var(--glass2);border-color:var(--line)}.admin-main{display:grid;grid-template-rows:auto 1fr}.admin-topbar{padding:15px 18px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.admin-topbar h2{margin:0;font-family:var(--font-brand);font-weight:500;color:var(--strong)}.admin-content{overflow:auto;padding:16px}.admin-card{border-radius:20px;padding:14px;margin-bottom:9px}.admin-card-head{display:flex;justify-content:space-between;gap:10px}.admin-card b,.admin-card small{display:block}.admin-card small{color:var(--muted);margin-top:3px}.admin-actions{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}.admin-actions button{border:1px solid var(--line);border-radius:12px;background:var(--glass2);color:var(--text);padding:8px 10px}.admin-actions button.primary{background:linear-gradient(135deg,var(--accent),var(--rose));color:#fff;border-color:transparent}.admin-textarea{width:100%;min-height:110px;border:1px solid var(--line);border-radius:16px;background:var(--glass2);padding:12px;color:var(--strong)}
@media(max-width:760px){.admin-shell{grid-template-columns:1fr}.admin-sidebar{height:auto}.admin-nav{display:grid;grid-template-columns:repeat(2,1fr)}}

/* v0.4.0 private contacts, notification center, rich media, voice/location and soft-delete UI */
.header-actions{display:flex;align-items:center;gap:7px}.notification-button{position:relative;font-size:18px}.notification-badge{position:absolute;right:-4px;top:-5px;min-width:19px;height:19px;padding:0 5px;border-radius:10px;display:grid;place-items:center;background:#e84755;color:#fff;font-size:9px;font-weight:800;box-shadow:0 4px 12px rgba(232,71,85,.34);border:2px solid rgba(255,255,255,.94)}
.dialog-note{margin:0 0 4px;color:var(--muted);font-size:11px;line-height:1.55}.picker-card>input{width:100%;border:1px solid var(--line);background:var(--glass2);border-radius:15px;padding:11px 12px;color:var(--strong);outline:none}.picker-card>small{color:var(--muted);min-height:18px}
.notification-card{width:min(480px,94vw)}.notification-toolbar{display:flex;justify-content:flex-end}.notification-list{display:flex;flex-direction:column;gap:7px;max-height:58vh;overflow:auto}.notification-row{border:1px solid var(--line);border-radius:18px;background:var(--glass3);padding:11px;display:grid;grid-template-columns:10px 1fr auto;align-items:center;gap:10px;text-align:left;color:var(--text)}.notification-row.unread{background:var(--glass2);border-color:var(--line2);box-shadow:var(--shadow-soft)}.notification-dot{width:7px;height:7px;border-radius:50%;background:transparent}.notification-row.unread .notification-dot{background:#e84755;box-shadow:0 0 0 4px rgba(232,71,85,.10)}.notification-copy b,.notification-copy small{display:block}.notification-copy b{font-size:12px;color:var(--strong)}.notification-copy small{font-size:10px;color:var(--muted);margin-top:4px;line-height:1.4}
.danger-action{border:1px solid rgba(212,76,91,.22);border-radius:15px;background:rgba(212,76,91,.10);color:#b33e4b;padding:11px 13px}.action-card{width:min(360px,92vw)}
.chat-tool-menu{position:absolute;left:7px;bottom:64px;z-index:25;border-radius:22px;padding:8px;display:grid;grid-template-columns:repeat(4,1fr);gap:5px;width:min(390px,calc(100% - 14px));box-shadow:var(--shadow)}.chat-tool-menu button{border:0;background:transparent;color:var(--muted);padding:8px 4px;border-radius:15px;display:flex;flex-direction:column;align-items:center;gap:3px;font-size:9px}.chat-tool-menu button:hover{background:var(--glass2);color:var(--strong)}.chat-tool-menu img{width:48px;height:48px;object-fit:contain}
.attachment-preview{position:absolute;left:7px;right:7px;bottom:64px;z-index:24;border-radius:20px;padding:9px;display:grid;grid-template-columns:58px 1fr auto;align-items:center;gap:9px;box-shadow:var(--shadow)}.preview-media{width:58px;height:58px;border-radius:15px;overflow:hidden;display:grid;place-items:center;background:var(--glass2);border:1px solid var(--line)}.preview-media img,.preview-media video{width:100%;height:100%;object-fit:cover}.preview-media audio{width:56px}.preview-file-icon{object-fit:contain!important;padding:6px}.preview-copy{min-width:0}.preview-copy b,.preview-copy small{display:block}.preview-copy b{font-size:11px;color:var(--strong);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.preview-copy small{font-size:9px;color:var(--muted);margin-top:4px}.attachment-preview>button{width:30px;height:30px;border-radius:12px;border:1px solid var(--line);background:var(--glass2);color:var(--muted)}
.msg{position:relative}.message-more{position:absolute;top:2px;right:-34px;width:28px;height:28px;border:0;background:transparent;color:var(--muted);font-size:11px}.msg.me .message-more{right:auto;left:-34px}.deleted-message{opacity:.66;font-style:italic}.message-image,.message-video{display:block;max-width:min(300px,70vw);max-height:360px;border-radius:14px;object-fit:contain;background:#0001}.message-audio{width:min(280px,68vw)}.file-message,.location-message{display:flex;align-items:center;gap:9px;text-decoration:none;color:inherit}.file-message img,.location-message img{width:44px;height:44px;object-fit:contain}.file-message b,.file-message small,.location-message b,.location-message small{display:block}.file-message small,.location-message small{font-size:9px;opacity:.72;margin-top:3px}.media-error{font-size:10px;opacity:.7}
.settings-card input[readonly]{opacity:.78;cursor:not-allowed}
@media(max-width:560px){.chat-tool-menu{grid-template-columns:repeat(4,1fr)}.chat-tool-menu img{width:42px;height:42px}.attachment-preview{bottom:60px}.message-more{right:-27px}.msg.me .message-more{left:-27px}}

/* v0.5.0 controlled invites / password reset */
.invite-message{display:block;margin:0 0 10px;color:var(--muted)}
.invite-message.valid{color:#2f7d55}.invite-message.invalid{color:#a64b4b}
.auth-card button:disabled{opacity:.45;cursor:not-allowed}
#resetPasswordDialog::backdrop{background:rgba(24,20,29,.42);backdrop-filter:blur(8px)}
/* v0.9.0 communications, multiparty calls & iPhone safe-area */
html,body{min-height:100%;min-height:100dvh}
.app-shell{height:100dvh;max-height:100dvh;padding:calc(env(safe-area-inset-top,0px) + 10px) 10px max(2px,calc(env(safe-area-inset-bottom,0px) - 2px));}
@media(max-width:560px){
  .app-shell{height:100dvh;max-height:100dvh;padding:calc(env(safe-area-inset-top,0px) + 12px) 8px max(1px,calc(env(safe-area-inset-bottom,0px) - 5px));gap:7px}
  .app-header{min-height:64px}
  .bottom-nav{transform:translateY(5px);margin-bottom:0}
}
.composer{grid-template-columns:auto 1fr auto auto;align-items:center}
.voice-button{width:44px;height:44px;padding:0;border:0;background:transparent;border-radius:50%;display:grid;place-items:center;touch-action:none;user-select:none;-webkit-user-select:none}
.voice-button img{width:42px;height:42px;object-fit:contain}.voice-button.recording{background:rgba(220,75,83,.12);box-shadow:0 0 0 4px rgba(220,75,83,.08)}
.attachment-preview.multi{grid-template-columns:1fr auto}.multi-preview-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:6px;max-height:150px;overflow:auto}.multi-preview-item{position:relative;aspect-ratio:1;border-radius:14px;overflow:hidden;background:var(--glass2);border:1px solid var(--line)}.multi-preview-item img,.multi-preview-item video{width:100%;height:100%;object-fit:cover}.multi-preview-item button{position:absolute;right:3px;top:3px;width:24px;height:24px;border:0;border-radius:50%;background:#0009;color:#fff}.multi-preview-meta{grid-column:1/-1;color:var(--muted);font-size:10px}
.voice-preview{display:grid;grid-template-columns:auto 1fr auto;gap:9px;align-items:center}.voice-wave{display:flex;gap:2px;height:32px;align-items:center}.voice-wave i{display:block;width:3px;border-radius:4px;background:linear-gradient(var(--accent),var(--accent2));animation:voiceWave .8s ease-in-out infinite alternate}.voice-wave i:nth-child(2n){animation-delay:.12s}.voice-wave i:nth-child(3n){animation-delay:.25s}@keyframes voiceWave{from{height:6px}to{height:28px}}
.message-image,.message-video{cursor:zoom-in}.media-thumb-button{display:block;padding:0;border:0;background:transparent;border-radius:14px;overflow:hidden}
.media-viewer{position:fixed;inset:0;z-index:220;background:rgba(10,8,18,.94);display:grid;place-items:center;padding:calc(env(safe-area-inset-top,0px) + 14px) 14px calc(env(safe-area-inset-bottom,0px) + 14px)}.media-viewer-stage{width:100%;height:100%;display:grid;place-items:center}.media-viewer-stage img,.media-viewer-stage video{max-width:100%;max-height:100%;object-fit:contain;border-radius:16px}.media-viewer-close,.media-viewer-nav{position:absolute;z-index:2;border:0;background:rgba(255,255,255,.16);backdrop-filter:blur(15px);color:#fff;border-radius:50%}.media-viewer-close{right:18px;top:calc(env(safe-area-inset-top,0px) + 14px);width:44px;height:44px;font-size:28px}.media-viewer-nav{top:50%;transform:translateY(-50%);width:44px;height:58px;font-size:34px}.media-viewer-nav.prev{left:10px}.media-viewer-nav.next{right:10px}.media-viewer-caption{position:absolute;bottom:calc(env(safe-area-inset-bottom,0px) + 10px);left:50%;transform:translateX(-50%);color:#fff;font-size:11px;background:#0007;padding:7px 12px;border-radius:999px;max-width:80%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.call-overlay,.incoming-call-overlay{position:fixed;inset:0;z-index:210;background:radial-gradient(circle at 50% 15%,rgba(183,151,229,.34),rgba(22,18,38,.98) 55%);color:#fff;padding:calc(env(safe-area-inset-top,0px) + 28px) 18px calc(env(safe-area-inset-bottom,0px) + 24px)}
.call-stage{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;position:relative;z-index:0;overflow:hidden}.call-peer-avatar{width:96px;height:96px;border-radius:32px;background:linear-gradient(145deg,#8d6fc7,#d9aa94);display:grid;place-items:center;font:600 36px var(--font-brand);box-shadow:0 18px 48px #0005;position:relative;z-index:3}.call-stage h2{font:600 28px var(--font-brand);margin:4px 0 0;position:relative;z-index:3}.call-stage p{margin:0;opacity:.78;position:relative;z-index:3}.call-duration{font-size:12px;opacity:.7;position:relative;z-index:3}
.call-video-stage{position:absolute;inset:0;background:#09070f;z-index:0}.call-video-grid{width:100%;height:100%;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-auto-rows:minmax(0,1fr);gap:6px;padding:calc(env(safe-area-inset-top,0px) + 10px) 6px calc(env(safe-area-inset-bottom,0px) + 118px)}.call-video-tile{position:relative;min-width:0;min-height:0;overflow:hidden;border-radius:22px;background:linear-gradient(145deg,#2a203d,#12101a);border:1px solid #ffffff1f}.call-video-tile video{width:100%;height:100%;object-fit:cover;background:#0c0a10}.call-video-placeholder{position:absolute;inset:0;display:grid;place-items:center;font:600 32px var(--font-brand);background:radial-gradient(circle at 50% 35%,#8f75bf55,#171222)}.call-video-meta{position:absolute;left:8px;right:8px;bottom:7px;display:flex;justify-content:space-between;gap:8px;align-items:center;padding:5px 8px;border-radius:999px;background:#0008;backdrop-filter:blur(8px);font-size:9px;white-space:nowrap;overflow:hidden}.call-video-meta b{overflow:hidden;text-overflow:ellipsis}.call-video-meta span{opacity:.75}.call-video-stage:not(.hidden)~.call-peer-avatar,.call-video-stage:not(.hidden)~h2,.call-video-stage:not(.hidden)~p,.call-video-stage:not(.hidden)~.call-duration,.call-video-stage:not(.hidden)~.call-participant-list{opacity:0;pointer-events:none}
.call-participant-list{position:relative;z-index:3;display:flex;flex-wrap:wrap;justify-content:center;gap:7px;max-width:min(520px,94vw);margin-top:7px}.call-participant-chip{display:flex;align-items:center;gap:7px;padding:7px 10px;border-radius:999px;background:#ffffff12;border:1px solid #ffffff1d;font-size:10px}.call-participant-dot{width:8px;height:8px;border-radius:50%;background:#7d8593}.call-participant-chip.joined .call-participant-dot{background:#48d17e}.call-participant-chip.invited .call-participant-dot{background:#e7be64}.call-participant-chip.declined .call-participant-dot,.call-participant-chip.left .call-participant-dot,.call-participant-chip.missed .call-participant-dot{background:#d9636c}.call-participant-state{opacity:.7}.call-participant-media{opacity:.72;font-size:9px}
.call-controls{display:flex;gap:12px;margin-top:22px;position:relative;z-index:4;flex-wrap:wrap;justify-content:center}.call-control{width:66px;height:66px;border-radius:50%;border:1px solid #fff3;background:#ffffff18;color:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;font-size:20px}.call-control:disabled{opacity:.35}.call-control span{font-size:9px}.call-control.danger{background:#e44755;border-color:transparent}.call-capacity-note{position:relative;z-index:4;opacity:.55;font-size:9px}.call-video-stage:not(.hidden)~.call-controls{position:absolute;bottom:calc(env(safe-area-inset-bottom,0px) + 34px);left:0;right:0}.call-video-stage:not(.hidden)~.call-capacity-note{position:absolute;bottom:calc(env(safe-area-inset-bottom,0px) + 12px);left:0;right:0;text-align:center}
.incoming-call-overlay{display:grid;place-items:center}.incoming-call-card{width:min(380px,92vw);border-radius:34px;padding:28px;text-align:center;background:rgba(255,255,255,.16);border:1px solid #fff3;color:#fff}.incoming-call-icon{font-size:42px}.incoming-call-card h2{font:600 30px var(--font-brand);margin:10px 0 4px}.incoming-call-card p{opacity:.74}.incoming-actions{display:flex;justify-content:space-around;margin-top:28px}.incoming-action{width:82px;height:82px;border-radius:50%;border:0;color:#fff;font-size:27px;display:flex;flex-direction:column;align-items:center;justify-content:center}.incoming-action span{font-size:10px;margin-top:3px}.incoming-action.decline{background:#df4652}.incoming-action.answer{background:#33b66a}
@media(max-width:560px){.call-video-grid{gap:4px;padding-left:3px;padding-right:3px}.call-video-tile{border-radius:16px}.call-controls{gap:9px}.call-control{width:60px;height:60px}.call-peer-avatar{width:88px;height:88px}.call-stage h2{font-size:25px}}
.crop-card{width:min(440px,94vw);padding:18px;border-radius:28px}.crop-viewport{width:min(330px,78vw);aspect-ratio:1;margin:12px auto;border-radius:50%;overflow:hidden;position:relative;background:#18131f;touch-action:none;box-shadow:inset 0 0 0 3px #fff8}.crop-viewport img{position:absolute;left:50%;top:50%;max-width:none;max-height:none;transform-origin:center center;user-select:none;-webkit-user-drag:none}.crop-zoom{display:grid;grid-template-columns:auto 1fr;gap:10px;align-items:center;color:var(--muted);font-size:10px}.crop-zoom input{width:100%}


/* v0.9.0 call polish: 1:1 fullscreen remote video, local PiP, top actions, audio routes, contact photos */
.call-stage{justify-content:center;padding-top:78px}
.call-topbar{position:absolute;top:calc(env(safe-area-inset-top,0px) + 10px);left:10px;right:10px;z-index:8;display:flex;align-items:center;justify-content:space-between;gap:10px;pointer-events:none}
.call-top-contact,.call-top-actions{pointer-events:auto;display:flex;align-items:center;gap:8px}
.call-top-contact{min-width:0;padding:7px 9px;border-radius:18px;background:rgba(12,9,19,.46);border:1px solid #ffffff24;backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}
.call-top-avatar{width:38px;height:38px;border-radius:14px;overflow:hidden;display:grid;place-items:center;background:linear-gradient(145deg,#8d6fc7,#d9aa94);font:600 15px var(--font-brand);flex:0 0 auto}
.call-top-avatar img,.call-peer-avatar img,.incoming-call-avatar img{width:100%;height:100%;object-fit:cover}
.call-top-copy{min-width:0}.call-top-copy b{display:block;max-width:min(48vw,300px);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:12px;color:#fff}.call-top-copy small{display:flex;gap:5px;align-items:center;font-size:9px;color:#ffffffc7}.call-top-sep{opacity:.5}
.call-top-actions{margin-left:auto}.call-top-action{min-width:58px;height:48px;padding:5px 8px;border-radius:16px;border:1px solid #ffffff28;background:rgba(12,9,19,.52);color:#fff;backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1px;font-size:18px}.call-top-action span{font-size:8px}.call-top-action:disabled{opacity:.35}
.call-peer-avatar{overflow:hidden}.call-peer-avatar img.hidden,.call-top-avatar img.hidden,.incoming-call-avatar img.hidden{display:none!important}
.call-stage.video-active>.call-peer-avatar,.call-stage.video-active>#callPeerName,.call-stage.video-active>#callStatus,.call-stage.video-active>#callDuration,.call-stage.video-active>#callParticipantList{display:none!important}
.call-stage.video-active{padding-top:0;justify-content:stretch}
.call-video-stage{inset:0;z-index:0}
.call-video-grid{position:relative;display:grid;width:100%;height:100%;padding:0;gap:0;background:#08060d}
.call-video-grid.two-party{display:block}
.call-video-grid.two-party .call-video-tile.remote-primary{position:absolute;inset:0;border-radius:0;border:0;z-index:1}
.call-video-grid.two-party .call-video-tile.local-pip{position:absolute;right:12px;top:calc(env(safe-area-inset-top,0px) + 76px);width:min(31vw,170px);height:min(42vw,225px);border-radius:19px;border:1px solid #ffffff55;z-index:5;box-shadow:0 14px 38px #0008;background:#18121f}
.call-video-grid.two-party .call-video-tile.local-pip .call-video-meta{left:5px;right:5px;bottom:5px;padding:4px 7px;font-size:8px}
.call-video-grid.group-grid{grid-template-columns:repeat(2,minmax(0,1fr));grid-template-rows:repeat(2,minmax(0,1fr));gap:4px;padding:calc(env(safe-area-inset-top,0px) + 68px) 4px calc(env(safe-area-inset-bottom,0px) + 112px)}
.call-video-grid.group-grid .call-video-tile{border-radius:16px}
.call-video-grid.group-grid[data-count="3"]::after{content:"";border-radius:16px;background:linear-gradient(145deg,#18121f,#0d0a12);border:1px solid #ffffff14}
.call-video-placeholder.with-photo{background-size:cover;background-position:center;color:transparent}
.call-video-meta{z-index:2}
.call-stage.video-active .call-controls{position:absolute;bottom:calc(env(safe-area-inset-bottom,0px) + 26px);left:0;right:0;margin:0;z-index:9}
.call-stage.video-active .call-capacity-note{position:absolute;bottom:calc(env(safe-area-inset-bottom,0px) + 7px);left:0;right:0;text-align:center;z-index:9}
.call-stage:not(.video-active) .call-topbar{top:calc(env(safe-area-inset-top,0px) + 10px)}
.call-stage:not(.video-active) .call-controls{margin-top:24px}
.incoming-call-avatar{width:92px;height:92px;border-radius:30px;overflow:hidden;margin:0 auto 12px;display:grid;place-items:center;background:linear-gradient(145deg,#8d6fc7,#d9aa94);font:600 32px var(--font-brand);box-shadow:0 18px 48px #0005}
.audio-route-card{width:min(430px,94vw);padding:18px;border-radius:28px}.audio-route-list{display:flex;flex-direction:column;gap:7px;margin:8px 0 10px}.audio-route-option{border:1px solid var(--line);border-radius:16px;background:var(--glass2);color:var(--strong);padding:11px 12px;display:flex;align-items:center;justify-content:space-between;text-align:left}.audio-route-option.active{background:linear-gradient(135deg,var(--soft),rgba(215,169,149,.2));border-color:var(--line2)}.audio-route-option small{color:var(--muted);font-size:9px}.audio-route-option b{font-size:12px}
.row-avatar.has-photo{background:var(--glass2)}
@media(max-width:560px){
  .call-topbar{left:7px;right:7px;top:calc(env(safe-area-inset-top,0px) + 7px)}
  .call-top-contact{padding:5px 7px}.call-top-avatar{width:34px;height:34px;border-radius:12px}.call-top-copy b{max-width:40vw;font-size:11px}.call-top-action{min-width:52px;height:43px;border-radius:14px;font-size:16px}
  .call-video-grid.two-party .call-video-tile.local-pip{right:9px;top:calc(env(safe-area-inset-top,0px) + 68px);width:29vw;height:38vw;max-width:145px;max-height:195px}
  .call-video-grid.group-grid{padding-top:calc(env(safe-area-inset-top,0px) + 62px);padding-bottom:calc(env(safe-area-inset-bottom,0px) + 104px);gap:3px}
  .call-stage.video-active .call-controls{bottom:calc(env(safe-area-inset-bottom,0px) + 23px)}
}

/* v1.0.0 conversation identity + full group management */
.conversation-head{grid-template-columns:auto 40px minmax(0,1fr) auto}.conversation-copy{min-width:0}.conversation-copy b,.conversation-copy small{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.conversation-avatar{width:40px;height:40px;border-radius:14px;overflow:hidden;display:grid;place-items:center;background:linear-gradient(145deg,var(--soft),var(--glass2));border:1px solid var(--line);font-size:12px;font-weight:800;color:var(--strong);box-shadow:var(--shadow-soft)}.conversation-avatar img{width:100%;height:100%;object-fit:cover}.conversation-avatar.has-photo span{display:none}
.msg.them{position:relative;padding-left:36px}.message-avatar{position:absolute;left:0;bottom:20px;width:30px;height:30px;border-radius:11px;overflow:hidden;display:grid;place-items:center;background:linear-gradient(145deg,var(--soft),var(--glass2));border:1px solid var(--line);font-size:9px;font-weight:800;color:var(--strong);box-shadow:var(--shadow-soft)}.message-avatar img{width:100%;height:100%;object-fit:cover}.message-avatar.has-photo span{display:none}
.group-settings-card{width:min(520px,94vw);max-height:min(82dvh,760px);overflow:auto}.group-profile-editor{display:flex;align-items:center;gap:13px;padding:4px 0 8px}.group-profile-editor b,.group-profile-editor small{display:block}.group-profile-editor b{font-family:var(--font-brand);font-size:18px;color:var(--strong)}.group-profile-editor small{margin-top:3px;color:var(--muted);font-size:10px}.group-photo-button{width:76px;height:76px;padding:0;border-radius:25px;overflow:hidden;display:grid;place-items:center;border:1px solid var(--line);background:linear-gradient(145deg,var(--soft),var(--glass2));font-size:20px;font-weight:800;color:var(--strong);box-shadow:var(--shadow-soft)}.group-photo-button img{width:100%;height:100%;object-fit:cover}.group-photo-button.has-photo span{display:none}.group-photo-button:disabled{cursor:default;opacity:1}.group-field{display:flex;flex-direction:column;gap:6px}.group-field span{font-size:10px;color:var(--muted);font-weight:700}.group-field input{width:100%;border:1px solid var(--line);background:var(--glass2);border-radius:15px;padding:11px 12px;color:var(--strong);outline:none}.group-members-head{display:flex;align-items:center;justify-content:space-between;margin-top:3px}.group-members-head b{font-size:12px;color:var(--strong)}.group-members-head small{font-size:9px;color:var(--muted)}.group-member-list{display:flex;flex-direction:column;gap:7px;max-height:38vh;overflow:auto;padding-right:2px}.group-member-row{display:grid;grid-template-columns:42px minmax(0,1fr) auto;gap:9px;align-items:center;padding:9px;border:1px solid var(--line);border-radius:17px;background:var(--glass3)}.group-member-avatar{width:42px;height:42px;border-radius:14px;overflow:hidden;display:grid;place-items:center;background:linear-gradient(145deg,var(--soft),var(--glass2));font-weight:800;font-size:11px}.group-member-avatar img{width:100%;height:100%;object-fit:cover}.group-member-avatar.has-photo span{display:none}.group-member-copy{min-width:0}.group-member-copy b,.group-member-copy small{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.group-member-copy b{font-size:11px;color:var(--strong)}.group-member-copy small{font-size:9px;color:var(--muted);margin-top:3px}.group-member-actions{display:flex;align-items:center;gap:5px;flex-wrap:wrap;justify-content:flex-end}.group-member-actions button{border:1px solid var(--line);border-radius:10px;background:var(--glass2);color:var(--strong);padding:6px 7px;font-size:8px}.group-member-actions button.danger-mini{color:#c74250;border-color:rgba(199,66,80,.22)}.group-role-pill{padding:5px 7px;border-radius:999px;background:var(--soft);color:var(--strong);font-size:8px;font-weight:800}.group-danger-zone{display:flex;gap:8px;justify-content:flex-end;padding-top:5px;border-top:1px solid var(--line)}
@media(max-width:560px){.conversation-head{grid-template-columns:auto 38px minmax(0,1fr) auto;gap:6px}.conversation-avatar{width:38px;height:38px;border-radius:13px}.head-actions{gap:2px}.group-settings-card{max-height:88dvh;padding:18px}.group-member-row{grid-template-columns:38px minmax(0,1fr);}.group-member-avatar{width:38px;height:38px}.group-member-actions{grid-column:2;justify-content:flex-start}.msg.them{padding-left:34px}}