@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');
:root{--bg:#0F1022;--bg-elevated:#171933;--surface:#1D1F3F;--surface-hover:#262a52;--border:#2E3159;--text:#EDEEFA;--text-muted:#9295BE;--text-faint:#61658C;--accent:#6C5CE7;--accent-hover:#7C6CF5;--accent-ink:#FFFFFF;--cyan:#4CC9F0;--cyan-soft:rgba(76,201,240,.14);--success:#34D399;--danger:#FB6B6B;--danger-soft:rgba(251,107,107,.12);--radius-sm:8px;--radius:14px;--radius-lg:20px;--radius-pill:999px;--shadow-md:0 8px 30px rgba(0,0,0,.35);--shadow-glow:0 0 0 1px rgba(108,92,231,.35),0 0 24px rgba(108,92,231,.18);--font-display:'Space Grotesk',sans-serif;--font-body:'Inter',sans-serif;--font-mono:'JetBrains Mono',monospace}
[data-theme="light"]{--bg:#F3F4FB;--bg-elevated:#FFFFFF;--surface:#FFFFFF;--surface-hover:#F1F1FC;--border:#E6E7F5;--text:#191B33;--text-muted:#5B5F82;--text-faint:#9295BE;--accent-ink:#FFFFFF}
*{box-sizing:border-box}html,body{height:100%;overflow-x:hidden;width:100%}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font-body);font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:600;margin:0 0 .4em;letter-spacing:-.01em}a{color:inherit;text-decoration:none}button{font-family:var(--font-body)}::selection{background:var(--accent);color:var(--accent-ink)}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}.mono{font-family:var(--font-mono)}
.app-shell{display:flex;height:100vh;overflow:hidden}
.sidebar{width:260px;background:var(--bg-elevated);border-right:1px solid var(--border);display:flex;flex-direction:column;padding:20px 14px;flex-shrink:0}
.sidebar .brand{display:flex;align-items:center;gap:10px;padding:0 8px;margin-bottom:18px}
.sidebar .brand-mark{width:38px;height:38px;border-radius:var(--radius);background:linear-gradient(145deg,var(--accent),#8E7CF5);display:flex;align-items:center;justify-content:center;font-family:var(--font-display);font-weight:700;color:#fff;font-size:16px;flex-shrink:0}
.sidebar .brand-name{font-family:var(--font-display);font-weight:700;font-size:19px;letter-spacing:-.01em}
.new-chat-btn{display:flex;align-items:center;justify-content:center;gap:8px;background:var(--accent);color:#fff;border:none;border-radius:var(--radius-pill);padding:12px 16px;font-weight:600;font-size:14px;margin-bottom:16px;cursor:pointer;transition:background .15s,transform .1s}
.new-chat-btn:hover{background:var(--accent-hover);transform:translateY(-1px)}
.sidebar nav{display:flex;flex-direction:column;gap:2px;flex:1;overflow-y:auto}
.sidebar .nav-item{width:100%;height:44px;border-radius:var(--radius);display:flex;align-items:center;gap:12px;padding:0 12px;color:var(--text-muted);position:relative;transition:background .15s,color .15s}
.sidebar .nav-item .nav-label{font-size:14px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sidebar .nav-item:hover{background:var(--surface-hover);color:var(--text)}.sidebar .nav-item.active{background:var(--surface);color:var(--accent)}
.sidebar .nav-item.active::before{content:'';position:absolute;left:-14px;width:4px;height:22px;border-radius:var(--radius-pill);background:var(--accent)}
.sidebar .nav-item .badge{margin-left:auto;min-width:18px;height:18px;padding:0 5px;border-radius:999px;background:var(--danger);color:#fff;font-size:10px;font-weight:700;display:flex;align-items:center;justify-content:center;font-family:var(--font-mono)}
.sidebar .spacer{flex:0 0 8px}.main-area{flex:1;display:flex;overflow:hidden}
.sidebar .settings-mobile-link{display:none}
.sidebar-profile{display:flex;align-items:center;gap:10px;padding:8px;border-radius:var(--radius);margin-bottom:6px;transition:background .15s}
.sidebar-profile:hover{background:var(--surface-hover)}
.sidebar-profile-meta{min-width:0;display:flex;flex-direction:column}
.sidebar-profile-name{font-size:13.5px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sidebar-profile-status{font-size:11.5px;color:var(--success)}
.sidebar-footer-actions{display:flex;align-items:center;gap:4px;padding:0 4px}
.admin-credit{padding:14px 8px 2px;font-size:11px;color:var(--text-faint);text-align:center;border-top:1px solid var(--border);margin-top:12px}
.admin-credit strong{color:var(--text-muted);font-weight:600}
.sidebar-footer-actions .nav-item{width:36px;height:36px;flex:0 0 auto;padding:0;justify-content:center}
.panel-list{width:340px;flex-shrink:0;border-right:1px solid var(--border);display:flex;flex-direction:column;background:var(--bg-elevated)}
.panel-list-header{padding:18px 18px 10px}.panel-list-header h2{font-size:20px}
.panel-search{margin:0 16px 12px;display:flex;align-items:center;gap:8px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-pill);padding:9px 14px}
.panel-search input{border:none;background:transparent;color:var(--text);flex:1;font-size:14px}.panel-search input:focus{outline:none}
.list-scroll{flex:1;overflow-y:auto;padding:4px 10px 16px}
.chat-row{display:flex;align-items:center;gap:12px;padding:10px;border-radius:var(--radius);cursor:pointer;transition:background .12s;margin-bottom:2px}
.chat-row:hover,.chat-row.active{background:var(--surface)}
.avatar{width:46px;height:46px;border-radius:50%;object-fit:cover;flex-shrink:0;background:linear-gradient(145deg,var(--cyan),#7A6BFF);display:flex;align-items:center;justify-content:center;color:#08111f;font-family:var(--font-display);font-weight:700;font-size:16px;position:relative}
.avatar.sm{width:32px;height:32px;font-size:13px}.avatar.lg{width:88px;height:88px;font-size:30px}
.presence{position:absolute;bottom:-2px;right:-2px;display:flex;align-items:flex-end;gap:1px;background:var(--bg-elevated);border-radius:4px;padding:2px 3px}
.presence i{width:2.5px;background:var(--text-faint);border-radius:1px;display:block}.presence i:nth-child(1){height:4px}.presence i:nth-child(2){height:6px}.presence i:nth-child(3){height:8px}
.presence.online i{background:var(--success);animation:signal-pulse 1.6s infinite ease-in-out}.presence.online i:nth-child(2){animation-delay:.15s}.presence.online i:nth-child(3){animation-delay:.3s}
@keyframes signal-pulse{0%,100%{opacity:.45}50%{opacity:1}}
.chat-row-body{flex:1;min-width:0}.chat-row-top{display:flex;justify-content:space-between;align-items:baseline;gap:6px}
.chat-row-top .name{font-weight:600;font-size:14.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.chat-row-top time{font-size:11px;color:var(--text-faint);font-family:var(--font-mono);flex-shrink:0}
.chat-row-sub{display:flex;justify-content:space-between;align-items:center;gap:6px;margin-top:2px}
.chat-row-sub p{margin:0;font-size:13px;color:var(--text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.unread-badge{background:var(--accent);color:var(--accent-ink);font-family:var(--font-mono);font-weight:600;font-size:11px;min-width:18px;height:18px;border-radius:999px;display:flex;align-items:center;justify-content:center;padding:0 5px}
.conversation{flex:1;display:flex;flex-direction:column;background:var(--bg);min-width:0}
.conv-header{display:flex;align-items:center;gap:12px;padding:14px 20px;border-bottom:1px solid var(--border);background:var(--bg-elevated);flex-shrink:0}
.conv-header .meta{flex:1;min-width:0}.conv-header .meta .name{font-weight:600;font-size:15px}.conv-header .meta .status{font-size:12.5px;color:var(--text-muted)}
.icon-btn{width:38px;height:38px;border-radius:var(--radius);border:none;background:transparent;color:var(--text-muted);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:background .12s,color .12s}
.icon-btn:hover{background:var(--surface-hover);color:var(--text)}.icon-btn.accent:hover{color:var(--accent)}
.chat-menu-wrap{position:relative}
.chat-menu-dropdown{position:absolute;top:44px;right:0;min-width:230px;background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius);box-shadow:0 8px 28px rgba(0,0,0,.28);z-index:40;padding:6px;overflow:hidden}
.chat-menu-item{display:flex;align-items:center;gap:10px;width:100%;padding:9px 10px;border-radius:8px;border:none;background:none;color:var(--text);font-size:13.5px;text-align:left;cursor:pointer;text-decoration:none}
.chat-menu-item:hover{background:var(--surface-hover)}
.chat-menu-item .chat-menu-current{margin-left:auto;font-size:11.5px;color:var(--text-faint)}
.chat-menu-item.chat-menu-danger{color:var(--danger)}
.chat-menu-sep{height:1px;background:var(--border);margin:6px 4px}
.chat-menu-submenu{padding:2px 0 2px 30px}
.chat-menu-submenu .chat-menu-item{font-size:13px;padding:7px 10px}
.chat-menu-submenu .chat-menu-item.is-active{color:var(--accent);font-weight:600}
.messages{flex:1;overflow-y:auto;padding:20px;display:flex;flex-direction:column;gap:3px}
.msg-row{display:flex;gap:8px;max-width:68%;align-self:flex-start}.msg-row.mine{align-self:flex-end;flex-direction:row-reverse}
.call-log-row{align-self:center;display:flex;justify-content:center;width:100%;margin:2px 0}
.call-log-pill{display:inline-flex;align-items:center;gap:7px;background:var(--surface);border:1px solid var(--border);color:var(--text-muted);font-size:12.5px;padding:6px 14px;border-radius:var(--radius-pill);max-width:88%}
.call-log-pill svg{flex-shrink:0;color:var(--text-muted)}
.call-log-pill span{color:var(--text)}
.call-log-pill time{font-size:11px;color:var(--text-faint);margin-left:2px}
.call-log-pill.missed{color:var(--danger)}.call-log-pill.missed svg{color:var(--danger)}.call-log-pill.missed span{color:var(--danger)}
a.call-log-pill{cursor:pointer;text-decoration:none;transition:background .15s ease,border-color .15s ease}
a.call-log-pill:hover{background:var(--surface-hover);border-color:var(--accent)}
a.call-log-pill:hover span{color:var(--accent)}
.bubble{background:var(--surface);border:1px solid var(--border);padding:9px 13px;border-radius:var(--radius);border-bottom-left-radius:4px;position:relative;word-wrap:break-word}
.msg-row.mine .bubble{background:var(--accent);color:var(--accent-ink);border-color:transparent;border-bottom-left-radius:var(--radius);border-bottom-right-radius:4px}
.bubble .reply-ref{border-left:2px solid var(--cyan);padding-left:8px;margin-bottom:4px;font-size:12.5px;opacity:.8}
.bubble .content{font-size:14.5px;white-space:pre-wrap}.bubble .meta-row{display:flex;gap:6px;align-items:center;margin-top:4px;justify-content:flex-end}
.bubble time{font-size:10.5px;font-family:var(--font-mono);opacity:.65}.bubble .edited-tag{font-size:10px;opacity:.6}
.bubble img.media,.bubble video.media{max-width:280px;border-radius:var(--radius-sm);display:block;margin-top:4px}
.reactions-row{display:flex;gap:4px;margin-top:4px;flex-wrap:wrap}
.reaction-chip{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-pill);font-size:11.5px;padding:1px 7px;display:flex;gap:3px;align-items:center;font-family:var(--font-mono)}
.composer{border-top:1px solid var(--border);background:var(--bg-elevated);padding:12px 16px;flex-shrink:0;position:relative}.composer form{display:flex;align-items:flex-end;gap:8px}

/* Attach popup menu (WhatsApp-style) */
.attach-menu-wrap{position:relative}
.attach-menu{position:absolute;bottom:calc(100% + 10px);left:0;background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-md);padding:6px;display:none;flex-direction:column;min-width:200px;z-index:40}
.attach-menu.open{display:flex}
.attach-menu-item{display:flex;align-items:center;gap:12px;background:none;border:none;padding:9px 10px;border-radius:var(--radius-sm);color:var(--text);font-size:14px;cursor:pointer;text-align:left;width:100%}
.attach-menu-item:hover{background:var(--surface-hover)}
.attach-menu-icon{width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;flex-shrink:0}
.attach-menu-icon.photos{background:linear-gradient(145deg,#7C6CF5,#4FC3F7)}
.attach-menu-icon.camera{background:linear-gradient(145deg,#FF6B9D,#FF5252)}
.attach-menu-icon.document{background:linear-gradient(145deg,#5B6EE1,#6C5CE7)}

/* Attachment preview / edit modal */
.attach-edit-modal{display:none;position:fixed;inset:0;background:#0a0a12;z-index:200;flex-direction:column}
.attach-edit-modal.open{display:flex}
.attach-edit-header{display:flex;align-items:center;justify-content:space-between;padding:12px 14px;flex-shrink:0}
.attach-edit-header .icon-btn{color:#fff}
.attach-edit-tools{display:flex;gap:4px}
.attach-edit-tools .icon-btn{color:#fff}
.attach-edit-tools .icon-btn.active{background:var(--accent);color:#fff;border-radius:50%}
.attach-edit-body{flex:1;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;min-height:0}
#attach-edit-canvas{max-width:100%;max-height:100%;touch-action:none;object-fit:contain}
#attach-edit-video{max-width:100%;max-height:100%}
.attach-edit-file-preview{display:flex;flex-direction:column;align-items:center;gap:8px;color:#fff}
.attach-edit-file-icon{width:64px;height:64px;border-radius:50%;background:var(--surface);display:flex;align-items:center;justify-content:center;color:var(--accent)}
.attach-crop-box{position:absolute;border:2px solid #fff;box-shadow:0 0 0 2000px rgba(0,0,0,.55);cursor:move}
.attach-crop-handle{position:absolute;width:16px;height:16px;background:#fff;border-radius:50%;box-shadow:0 0 0 1px rgba(0,0,0,.4)}
.attach-crop-handle.nw{top:-8px;left:-8px;cursor:nwse-resize}.attach-crop-handle.ne{top:-8px;right:-8px;cursor:nesw-resize}
.attach-crop-handle.sw{bottom:-8px;left:-8px;cursor:nesw-resize}.attach-crop-handle.se{bottom:-8px;right:-8px;cursor:nwse-resize}
.attach-draw-colors{display:flex;gap:10px;justify-content:center;padding:10px;flex-shrink:0}
.attach-color-swatch{width:28px;height:28px;border-radius:50%;border:2px solid rgba(255,255,255,.3);cursor:pointer;padding:0}
.attach-color-swatch.active{border-color:#fff;transform:scale(1.15)}
.attach-edit-footer{display:flex;align-items:center;gap:10px;padding:12px 14px;flex-shrink:0;background:rgba(255,255,255,.04)}
#attach-caption-input{flex:1;background:rgba(255,255,255,.08);border:none;border-radius:var(--radius-pill);padding:11px 16px;color:#fff;font-size:14px}
#attach-caption-input::placeholder{color:rgba(255,255,255,.5)}
#attach-caption-input:focus{outline:2px solid var(--accent)}
.composer textarea{flex:1;resize:none;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:11px 16px;color:var(--text);font-family:var(--font-body);font-size:14.5px;max-height:120px}
.composer textarea:focus{outline:none;border-color:var(--accent)}
.btn-send{width:42px;height:42px;border-radius:50%;border:none;background:var(--accent);color:var(--accent-ink);display:flex;align-items:center;justify-content:center;cursor:pointer;flex-shrink:0;transition:transform .1s}.btn-send:hover{transform:scale(1.05)}
#mic-btn{background:none;border:none;color:var(--text-muted);cursor:pointer;flex-shrink:0;display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:50%;transition:background .15s,color .15s}
#mic-btn:hover{background:var(--surface-hover);color:var(--accent)}
.voice-record-dot{width:11px;height:11px;border-radius:50%;background:var(--danger);flex-shrink:0;animation:voiceRecordPulse 1.1s ease-in-out infinite}
@keyframes voiceRecordPulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.35;transform:scale(.75)}}
.voice-note{display:flex;align-items:center;gap:9px;min-width:200px;max-width:260px;padding:2px 0}
.voice-note-play{width:34px;height:34px;border-radius:50%;border:none;background:var(--accent);color:var(--accent-ink);display:flex;align-items:center;justify-content:center;cursor:pointer;flex-shrink:0;transition:transform .1s}
.voice-note-play:hover{transform:scale(1.06)}
.voice-note-play svg{margin-left:1px}
.voice-note-track{flex:1;height:4px;border-radius:var(--radius-pill);background:var(--border);cursor:pointer;position:relative;overflow:hidden}
.voice-note-progress{height:100%;width:0%;background:var(--accent);border-radius:var(--radius-pill);transition:width .1s linear}
.voice-note.playing .voice-note-track{background:color-mix(in srgb, var(--accent) 25%, var(--border))}
.voice-note-time{font-family:var(--font-mono);font-size:11px;color:var(--text-muted);flex-shrink:0;min-width:32px;text-align:right}
.msg-row.mine .voice-note-play{background:rgba(255,255,255,.9);color:var(--accent)}
.msg-row.mine .voice-note-track{background:rgba(255,255,255,.3)}
.msg-row.mine .voice-note-progress{background:#fff}
.msg-row.mine .voice-note-time{color:var(--accent-ink);opacity:.85}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:none;cursor:pointer;border-radius:var(--radius);padding:11px 20px;font-weight:600;font-size:14px;font-family:var(--font-body);transition:transform .1s,background .12s,box-shadow .12s}
.btn-primary{background:var(--accent);color:var(--accent-ink)}.btn-primary:hover{background:var(--accent-hover);box-shadow:var(--shadow-glow)}
.btn-secondary{background:var(--surface);color:var(--text);border:1px solid var(--border)}.btn-secondary:hover{background:var(--surface-hover)}
.btn-danger{background:var(--danger-soft);color:var(--danger)}.btn-danger:hover{background:var(--danger);color:#fff}
.btn-block{width:100%}.btn-sm{padding:7px 14px;font-size:13px}
.field{margin-bottom:16px}.field label{display:block;font-size:13px;font-weight:600;margin-bottom:6px;color:var(--text-muted)}
.field input,.field textarea,.field select{width:100%;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);padding:11px 14px;color:var(--text);font-family:var(--font-body);font-size:14.5px}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--accent)}
.field-hint{font-size:12px;color:var(--text-faint);margin-top:4px}.checkbox-row{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text-muted)}
.card{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-lg);padding:22px}
.alert{padding:12px 16px;border-radius:var(--radius);font-size:13.5px;margin-bottom:16px}.alert-error{background:var(--danger-soft);color:var(--danger)}.alert-info{background:var(--cyan-soft);color:var(--cyan)}
.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;color:var(--text-faint);text-align:center;padding:40px}.empty-state h3{color:var(--text-muted);margin-top:10px}
.auth-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;background:radial-gradient(circle at 20% 20%,rgba(255,176,32,.08),transparent 40%),radial-gradient(circle at 80% 80%,rgba(76,201,240,.10),transparent 40%),var(--bg)}
.auth-shell{min-height:100vh;display:flex;background:var(--bg)}
.auth-visual{flex:1.15;position:relative;overflow:hidden;display:flex;flex-direction:column;justify-content:space-between;padding:52px 56px;background:radial-gradient(circle at 15% 18%,rgba(108,92,231,.28),transparent 45%),radial-gradient(circle at 85% 78%,rgba(76,201,240,.20),transparent 45%),linear-gradient(160deg,#13142c,#0A0B1A)}
.auth-visual .nexus-svg{position:absolute;inset:0;width:100%;height:100%}
.auth-visual .nexus-svg .node{animation:nexus-pulse 3.6s ease-in-out infinite}
.auth-visual .nexus-svg .node:nth-child(2){animation-delay:.5s}.auth-visual .nexus-svg .node:nth-child(3){animation-delay:1s}
.auth-visual .nexus-svg .node:nth-child(4){animation-delay:1.5s}.auth-visual .nexus-svg .node:nth-child(5){animation-delay:2s}
.auth-visual .nexus-svg .node-core{animation:nexus-core-pulse 3.6s ease-in-out infinite}
.auth-visual .nexus-svg .link{stroke-dasharray:6 460;animation:nexus-draw 5.5s ease-in-out infinite}
.auth-visual .nexus-svg .link:nth-child(2){animation-delay:.35s}.auth-visual .nexus-svg .link:nth-child(3){animation-delay:.7s}
.auth-visual .nexus-svg .link:nth-child(4){animation-delay:1.05s}.auth-visual .nexus-svg .link:nth-child(5){animation-delay:1.4s}
@keyframes nexus-pulse{0%,100%{opacity:.55;r:4}50%{opacity:1;r:6.5}}
@keyframes nexus-core-pulse{0%,100%{opacity:.85;r:9}50%{opacity:1;r:12.5}}
@keyframes nexus-draw{0%{stroke-dashoffset:466;opacity:0}8%{opacity:.4}50%{stroke-dashoffset:0;opacity:.4}92%{opacity:.4}100%{stroke-dashoffset:-466;opacity:0}}
@media (prefers-reduced-motion: reduce){.auth-visual .nexus-svg *{animation:none!important}}
.auth-visual .visual-top{display:flex;align-items:center;gap:10px;position:relative;z-index:1}
.auth-visual .visual-top .mark{width:38px;height:38px;border-radius:var(--radius);background:linear-gradient(145deg,var(--accent),#8E7CF5);display:flex;align-items:center;justify-content:center;font-family:var(--font-display);font-weight:700;color:var(--accent-ink);flex-shrink:0}
.auth-visual .visual-top span{font-family:var(--font-display);font-weight:700;font-size:18px;color:var(--text)}
.auth-visual .visual-mid{position:relative;z-index:1;max-width:420px}
.auth-visual .visual-mid h1{font-family:var(--font-display);font-size:clamp(26px,3vw,36px);line-height:1.18;margin-bottom:14px;color:var(--text);font-weight:700}
.auth-visual .visual-mid p{color:var(--text-muted);font-size:15px;line-height:1.6;margin-bottom:30px}
.auth-visual .visual-feature{display:flex;align-items:flex-start;gap:12px;margin-bottom:15px;color:var(--text-muted);font-size:13.5px;line-height:1.4}
.auth-visual .visual-feature svg{flex-shrink:0;color:var(--cyan);margin-top:1px}
.auth-visual .visual-credit{position:relative;z-index:1;font-size:12px;color:var(--text-faint)}
.auth-visual .visual-credit strong{color:var(--text-muted);font-weight:600}
.auth-form-col{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:24px;position:relative}
.auth-card{width:100%;max-width:400px}.auth-card .logo{display:flex;align-items:center;gap:10px;margin-bottom:26px}
.auth-card .logo .mark{width:40px;height:40px;border-radius:var(--radius);background:linear-gradient(145deg,var(--accent),#8E7CF5);display:flex;align-items:center;justify-content:center;font-family:var(--font-display);font-weight:700;color:var(--accent-ink)}
.auth-card .logo span{font-family:var(--font-display);font-weight:700;font-size:19px}.auth-foot{text-align:center;margin-top:18px;font-size:13.5px;color:var(--text-muted)}.auth-foot a{color:var(--cyan);font-weight:600}
.auth-credit-line{text-align:center;margin-top:22px;font-size:11.5px;color:var(--text-faint)}.auth-credit-line strong{color:var(--text-muted);font-weight:600}
@media (max-width:960px){.auth-visual{display:none}}
.auth-mobile-hero{display:none}
@media (max-width:960px){
  .auth-form-col{justify-content:flex-start;padding-top:calc(28px + env(safe-area-inset-top,0));width:100%;box-sizing:border-box}
  .auth-mobile-hero{display:flex;flex-direction:column;align-items:center;text-align:center;margin-bottom:18px;padding-top:0}
  .auth-mobile-hero .nexus-svg-mini{width:120px;height:70px;margin-bottom:4px}
  .auth-mobile-hero .nexus-svg-mini .node{animation:nexus-pulse 3.6s ease-in-out infinite}
  .auth-mobile-hero .nexus-svg-mini .node:nth-child(2){animation-delay:.4s}.auth-mobile-hero .nexus-svg-mini .node:nth-child(3){animation-delay:.8s}.auth-mobile-hero .nexus-svg-mini .node:nth-child(4){animation-delay:1.2s}
  .auth-mobile-hero .nexus-svg-mini .node-core{animation:nexus-core-pulse 3.6s ease-in-out infinite}
  .auth-mobile-hero .nexus-svg-mini .link{stroke-dasharray:4 300;animation:nexus-draw 5.5s ease-in-out infinite}
  .auth-mobile-hero .mobile-hero-text{display:flex;align-items:center;gap:8px;margin-bottom:4px}
  .auth-mobile-hero .mobile-hero-text .mark{width:30px;height:30px;border-radius:var(--radius-sm);background:linear-gradient(145deg,var(--accent),#8E7CF5);display:flex;align-items:center;justify-content:center;font-family:var(--font-display);font-weight:700;font-size:14px;color:var(--accent-ink)}
  .auth-mobile-hero .mobile-hero-text span:last-child{font-family:var(--font-display);font-weight:700;font-size:17px;color:var(--text)}
  .auth-mobile-hero p{color:var(--text-muted);font-size:13px}
  @media (prefers-reduced-motion: reduce){.auth-mobile-hero .nexus-svg-mini *{animation:none!important}}
}
@media (max-width:600px){.auth-form-col{padding:16px}}
.content-scroll{flex:1;overflow-y:auto;padding:26px}.page-title{font-size:22px;margin-bottom:4px}.page-sub{color:var(--text-muted);font-size:13.5px;margin-bottom:22px}
.settings-about{text-align:center;margin-top:20px;padding-top:16px;font-size:12px;color:var(--text-faint)}.settings-about strong{color:var(--text-muted);font-weight:600}
table.data-table{width:100%;border-collapse:collapse}table.data-table th{text-align:left;font-size:11.5px;text-transform:uppercase;letter-spacing:.04em;color:var(--text-faint);padding:10px 12px;border-bottom:1px solid var(--border)}
table.data-table td{padding:12px;border-bottom:1px solid var(--border);font-size:13.5px}table.data-table tr:hover td{background:var(--surface-hover)}
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:14px;margin-bottom:26px}
.stat-card{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-lg);padding:18px}.stat-card .value{font-family:var(--font-display);font-size:28px;font-weight:700}.stat-card .label{color:var(--text-muted);font-size:12.5px;margin-top:4px}
.pill-tag{display:inline-flex;align-items:center;padding:3px 10px;border-radius:var(--radius-pill);font-size:11.5px;font-weight:600;font-family:var(--font-mono)}
.pill-tag.active{background:rgba(52,211,153,.14);color:var(--success)}.pill-tag.suspended{background:var(--danger-soft);color:var(--danger)}.pill-tag.pending{background:rgba(255,176,32,.14);color:var(--accent)}
.call-screen{height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;background:radial-gradient(circle at 50% 20%,#1b1e3b,var(--bg));color:var(--text);gap:18px}
.call-avatar{width:130px;height:130px;border-radius:50%}.call-controls{display:flex;gap:16px;margin-top:30px}
.call-btn{width:58px;height:58px;border-radius:50%;border:none;display:flex;align-items:center;justify-content:center;cursor:pointer;background:var(--surface);color:var(--text)}
.call-btn.hangup{background:var(--danger);color:#fff}.call-btn.active-toggle{background:var(--accent);color:var(--accent-ink)}.call-btn.call-btn-off{background:var(--danger);color:#fff}
.call-timer{font-family:var(--font-mono);font-size:14px;color:var(--text-muted)}video.call-video{max-width:90vw;max-height:60vh;border-radius:var(--radius-lg);background:#000}

/* ---- Group meeting room (mesh calling) ---- */
.room-screen{min-height:100vh;display:flex;flex-direction:column;padding:20px;background:radial-gradient(circle at 50% 10%,#1b1e3b,var(--bg))}
.room-header{text-align:center;margin-bottom:16px;color:var(--text)}
.room-header p{color:var(--text-muted);font-size:12.5px}
.room-tiles{flex:1;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;align-content:center;max-width:1100px;margin:0 auto;width:100%}
.room-tile{position:relative;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;aspect-ratio:4/3;display:flex;align-items:center;justify-content:center}
.room-tile video{width:100%;height:100%;object-fit:cover}
.room-tile.audio-only video{display:none}
.room-tile.audio-only::before{content:'\1F3A4';font-size:34px}
.room-tile-label{position:absolute;bottom:8px;left:10px;background:rgba(0,0,0,.55);color:#fff;font-size:11.5px;padding:2px 9px;border-radius:999px}
@media (max-width:600px){.room-tiles{grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:8px}}
.mobile-back{display:none}
@media (max-width:860px){
  html{-webkit-text-size-adjust:100%}
  body{overflow:hidden}
  /* iOS Safari force-zooms the whole page on focus for any input/textarea/select under
     16px -- this was happening on literally every text field in the app (login, chat
     composer, settings, search boxes) because the base font-size here was 14.5px. This is
     the actual, well-documented cause of "have to zoom in/out": the phone is doing it
     automatically, not the user choosing to. 16px removes the trigger entirely. */
  .field input,.field textarea,.field select,.composer textarea,input,textarea,select{font-size:16px!important}
  .app-shell{flex-direction:column-reverse;height:100vh;height:100dvh}
  .sidebar{
    width:100%;height:64px;flex-direction:row;align-items:center;padding:0 6px;
    border-right:none;border-top:1px solid var(--border);
    padding-bottom:env(safe-area-inset-bottom,0);
  }
  .sidebar .brand,.sidebar .new-chat-btn,.sidebar-profile,.sidebar-footer-actions,.admin-credit{display:none}
  .sidebar nav{flex-direction:row;flex:1;justify-content:space-around;gap:2px;overflow-x:auto;-webkit-overflow-scrolling:touch}
  .sidebar .nav-item{flex-shrink:0;width:auto;height:auto;padding:8px;flex-direction:column;gap:2px}
  .sidebar .nav-item .nav-label{display:none}
  .sidebar .nav-item .badge{position:absolute;top:2px;right:2px;margin-left:0}
  .sidebar .nav-item.active::before{left:50%;top:2px;transform:translateX(-50%);width:22px;height:3px}
  .sidebar .spacer{display:none}
  .sidebar .desktop-only-nav, .sidebar > #theme-toggle, .sidebar > a[href="?route=logout"]{display:none}
  .sidebar .settings-mobile-link{display:flex}
  .main-area{flex:1;min-height:0;position:relative}

  /* panel-list (chat list) and .conversation each own their whole page —
     h_home() renders only the list, h_chat_show() renders only the
     conversation, so the mobile "full-screen swap" happens naturally via
     routing. The back arrow below is what lets you return to the list. */
  .panel-list{width:100%;position:relative}
  .mobile-back{display:flex}

  .conversation{width:100%}
  .messages{padding:14px}
  .msg-row{max-width:88%}
  .composer{padding:10px 12px;padding-bottom:calc(10px + env(safe-area-inset-bottom,0))}
  .conv-header{padding:10px 12px}

  /* Touch-friendly tap targets everywhere */
  .icon-btn{width:42px;height:42px}
  .btn{padding:12px 18px;min-height:44px}
  .btn-sm{min-height:38px;padding:9px 14px}
  .chat-row{padding:12px 10px}

  .content-scroll{padding:16px}
  .page-title{font-size:19px}
  .card{padding:16px}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  table.data-table{font-size:12.5px}
  table.data-table th, table.data-table td{padding:8px}

  .auth-wrap{padding:16px}
  .auth-form-col{padding:16px}
  .auth-card{max-width:100%}

  .call-controls{gap:12px}
  .call-btn{width:52px;height:52px}
  .avatar.lg{width:72px;height:72px;font-size:26px}
  #call-avatar{width:100px;height:100px}

  /* Admin sidebar also collapses to bottom bar */
  .content-scroll table.data-table{display:block;overflow-x:auto;white-space:nowrap}
}
@media (max-width:420px){
  .stat-grid{grid-template-columns:1fr 1fr}
  .msg-row{max-width:92%}
  .sidebar nav{gap:0}
}

/* ---- Professional polish pass: motion, depth, and finishing touches ---- */
.app-shell{animation:app-fade-in .35s ease both}
@keyframes app-fade-in{from{opacity:0}to{opacity:1}}
.card{transition:box-shadow .18s ease, transform .18s ease, border-color .18s ease}
a.card:hover, .chat-row:hover{box-shadow:var(--shadow-sm);transform:translateY(-1px)}
.btn{will-change:transform}
.btn:active{transform:scale(.97)}
.msg-row{animation:msg-in .22s cubic-bezier(.2,.8,.2,1) both}
@keyframes msg-in{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}
.bubble{transition:box-shadow .15s ease}
.msg-row:hover .bubble{box-shadow:0 2px 10px rgba(0,0,0,.18)}
.avatar{box-shadow:0 2px 6px rgba(0,0,0,.15)}
.sidebar .nav-item{transition:background .15s ease, color .15s ease, transform .12s ease}
.sidebar .nav-item:active{transform:scale(.92)}
.unread-badge{animation:badge-pop .25s cubic-bezier(.34,1.56,.64,1)}
@keyframes badge-pop{from{transform:scale(0)}to{transform:scale(1)}}
.stat-card{transition:transform .18s ease, box-shadow .18s ease}
.stat-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}
.empty-state svg{opacity:.5;color:var(--accent)}
.auth-card .card{box-shadow:var(--shadow-md);animation:auth-rise .4s cubic-bezier(.2,.8,.2,1) both}
@keyframes auth-rise{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
.field input,.field textarea,.field select{transition:border-color .15s ease, box-shadow .15s ease}
.field input:focus,.field textarea:focus,.field select:focus{box-shadow:0 0 0 3px rgba(255,176,32,.15)}
.reaction-chip{transition:transform .12s ease}
.reaction-chip:hover{transform:scale(1.08)}
/* Call screen: pulsing ring around the avatar while ringing communicates "live call" at a glance */
#call-avatar, .call-avatar{position:relative}
.call-screen #call-avatar::before, .call-screen #call-avatar::after{
  content:'';position:absolute;inset:0;border-radius:50%;border:2px solid var(--accent);
  animation:call-ring 1.8s ease-out infinite;opacity:0;
}
.call-screen #call-avatar::after{animation-delay:.6s}
@keyframes call-ring{0%{transform:scale(1);opacity:.65}100%{transform:scale(1.55);opacity:0}}
.call-btn{transition:transform .15s ease, background .15s ease, box-shadow .15s ease}
.call-btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.call-btn.hangup:hover{box-shadow:0 4px 16px rgba(251,107,107,.4)}
/* Typing indicator dots (used inline in conv-status via JS) */
.typing-dots{display:inline-flex;gap:3px;align-items:center;vertical-align:middle}
.typing-dots i{width:4px;height:4px;border-radius:50%;background:var(--accent);display:inline-block;animation:typing-bounce 1.1s infinite ease-in-out}
.typing-dots i:nth-child(2){animation-delay:.15s}.typing-dots i:nth-child(3){animation-delay:.3s}
@keyframes typing-bounce{0%,60%,100%{transform:translateY(0);opacity:.5}30%{transform:translateY(-3px);opacity:1}}
::-webkit-scrollbar{width:9px;height:9px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--border);border-radius:99px}
::-webkit-scrollbar-thumb:hover{background:var(--text-faint)}