*{margin:0;padding:0;box-sizing:border-box}
:root{
  /* Dark theme — WhatsApp-style cool teal-grey, muted & restrained */
  --bg-main:#0B141A;
  --bg-nav:#1F2C33;
  --bg-panel:#111B21;
  --bg-hover:rgba(134,150,160,.05);
  --bg-hover-strong:rgba(134,150,160,.1);
  --bg-input:#2A3942;
  --bg-elevated:#202C33;
  --text-primary:#E9EDEF;
  --text-strong:#FFFFFF;
  --text-secondary:#AEBAC1;
  --text-muted:#8696A0;
  --accent:#53BDEB;
  --accent-hover:#79CFEF;
  --accent-dim:rgba(83,189,235,.14);
  --active-bg:#0A7EB8;
  --active-text:#FFFFFF;
  --danger:#F15C6D;
  --warning:#F7BD3A;
  --success:#00A884;
  --border:rgba(134,150,160,.1);
  --border-strong:rgba(134,150,160,.2);
  --shadow:rgba(0,0,0,.55);
  --reply-bar:rgba(0,168,132,.45);
  --members-w:260px;
  --scroll-thumb:rgba(134,150,160,.16);
  --scroll-thumb-hover:rgba(174,186,193,.28);
  --lobby-bg:radial-gradient(ellipse at top,#1F2C33 0%,#0B141A 55%);
  /* Layered shadow tiers — deep on dark teal */
  --shadow-sm:0 1px 2px rgba(0,0,0,.35), 0 1px 3px rgba(0,0,0,.25);
  --shadow-md:0 2px 6px rgba(0,0,0,.4), 0 6px 18px rgba(0,0,0,.3);
  --shadow-lg:0 4px 14px rgba(0,0,0,.45), 0 18px 44px rgba(0,0,0,.55);
  --shadow-xl:0 8px 24px rgba(0,0,0,.5), 0 30px 80px rgba(0,0,0,.65);
  /* Glass surfaces — translucent teal-grey */
  --glass-bg:rgba(32,44,51,.82);
  --glass-border:rgba(160,180,195,.12);
  --glass-highlight:rgba(200,220,230,.05);
  /* Inset top highlight — "glass edge" on elevated surfaces */
  --edge-highlight:inset 0 1px 0 rgba(200,220,230,.05);
  /* Surface gradient — subtle cool highlight on card tops */
  --surface-gradient:linear-gradient(180deg, rgba(200,220,230,.04) 0%, rgba(255,255,255,0) 50%);
  color-scheme:dark;
}

/* ===== Light theme (warm ivory, slight blush) ===== */
:root[data-theme="light"]{
  --bg-main:#F8F2ED;
  --bg-nav:#F1E8E1;
  --bg-panel:#F8F2ED;
  --bg-hover:rgba(90,50,35,.04);
  --bg-hover-strong:rgba(90,50,35,.08);
  --bg-input:#EDE2D9;
  --bg-elevated:#F4EBE3;
  --text-primary:#2A2022;
  --text-strong:#140C0E;
  --text-secondary:#5C4B4E;
  --text-muted:#8F7F7A;
  --accent:#1264A3;
  --accent-hover:#0B4C8C;
  --accent-dim:rgba(18,100,163,.1);
  --active-bg:#1264A3;
  --active-text:#FFFFFF;
  --danger:#C2324A;
  --warning:#A16F02;
  --success:#1B724D;
  --border:rgba(90,50,35,.09);
  --border-strong:rgba(90,50,35,.16);
  --shadow:rgba(90,50,35,.13);
  --reply-bar:rgba(18,100,163,.45);
  --scroll-thumb:rgba(90,50,35,.18);
  --scroll-thumb-hover:rgba(90,50,35,.32);
  --lobby-bg:radial-gradient(ellipse at top,#FAEEE3 0%,#F6E5D8 42%,#EFD7C7 100%);
  --shadow-sm:0 1px 2px rgba(90,50,35,.06), 0 1px 3px rgba(90,50,35,.08);
  --shadow-md:0 2px 6px rgba(90,50,35,.08), 0 6px 18px rgba(90,50,35,.1);
  --shadow-lg:0 4px 14px rgba(90,50,35,.1), 0 18px 44px rgba(90,50,35,.13);
  --shadow-xl:0 8px 24px rgba(90,50,35,.12), 0 30px 80px rgba(90,50,35,.16);
  --glass-bg:rgba(248,242,237,.82);
  --glass-border:rgba(90,50,35,.12);
  --glass-highlight:rgba(255,255,255,.55);
  --edge-highlight:inset 0 1px 0 rgba(255,255,255,.55);
  --surface-gradient:linear-gradient(180deg, rgba(255,255,255,.5) 0%, rgba(255,255,255,0) 50%);
  color-scheme:light;
}

body{
  font-family:"Lato",-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue','Noto Sans SC',sans-serif;
  background:var(--bg-main);color:var(--text-primary);
  height:100vh;height:100dvh;overflow:hidden;
  margin:0;
  font-size:15px;line-height:1.46;
  -webkit-font-smoothing:antialiased;
  -webkit-tap-highlight-color:transparent;
}
.hidden{display:none!important}

/* ===== Lobby ===== */
.lobby-overlay{position:fixed;inset:0;z-index:500;display:flex;align-items:center;justify-content:center;background:var(--lobby-bg);padding:20px;transition:opacity .22s ease, transform .22s ease}
/* Smooth dismissal: fade + slight scale-down so the chat reveal feels intentional */
.lobby-overlay.exiting{opacity:0;transform:scale(.97);pointer-events:none}
/* Chat shell entrance animation when the lobby steps aside */
@keyframes appAppear{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}
.app:not(.hidden).app-entering{animation:appAppear .28s cubic-bezier(.2,.85,.25,1) both}
.lobby-card{position:relative;background:var(--bg-main);border:1px solid var(--border-strong);border-radius:16px;padding:32px 30px;max-width:420px;width:100%;box-shadow:var(--shadow-xl);overflow:hidden}
.lobby-close{position:absolute;top:12px;left:12px;width:30px;height:30px;background:transparent;border:none;color:var(--text-muted);font-size:22px;line-height:1;cursor:pointer;border-radius:6px;display:flex;align-items:center;justify-content:center;z-index:3;transition:all .15s;font-family:inherit}
.lobby-close:hover{background:var(--bg-hover-strong);color:var(--text-strong)}
.lobby-card::before{content:'';position:absolute;inset:0;background:var(--surface-gradient);pointer-events:none;border-radius:inherit}
.lobby-card > *{position:relative;z-index:1}
.lobby-hero{display:flex;flex-direction:column;align-items:center;gap:8px;margin-bottom:10px}
.lobby-avatar{width:72px;height:72px;border-radius:18px;display:flex;align-items:center;justify-content:center;font-size:38px;box-shadow:0 8px 24px rgba(0,0,0,.35)}
.lobby-avatar-change{background:transparent;border:none;color:var(--accent);font-size:12px;cursor:pointer;padding:2px 8px;border-radius:4px}
.lobby-avatar-change:hover{background:var(--accent-dim)}
.lobby-card h1{font-size:26px;text-align:center;margin-bottom:4px;color:var(--text-strong);font-weight:900;letter-spacing:-.5px}
.lobby-card .subtitle{text-align:center;color:var(--text-muted);font-size:13px;margin-bottom:18px}
.security-badges{display:flex;gap:6px;justify-content:center;margin-bottom:20px;flex-wrap:wrap}
.badge{background:transparent;color:var(--text-secondary);padding:3px 10px;border-radius:4px;font-size:11px;border:1px solid var(--border-strong);font-weight:600;letter-spacing:.3px;cursor:help;transition:all .15s}
.badge:hover{color:var(--accent);border-color:var(--accent)}
.conn-line{text-align:center;margin-top:14px;font-size:12px;color:var(--text-muted)}

.lobby-tabs{display:flex;gap:2px;margin-bottom:18px;background:var(--bg-input);padding:3px;border-radius:8px}
.lobby-tab{flex:1;padding:9px;background:transparent;border:none;color:var(--text-secondary);font-size:14px;font-weight:700;cursor:pointer;border-radius:6px;transition:all .15s}
.lobby-tab.active{background:var(--bg-elevated);color:var(--text-strong)}
.lobby-tab:hover:not(.active){color:var(--text-primary)}
.lobby-panel.hidden{display:none}

/* ===== Form ===== */
.form-group{margin-bottom:14px}
.form-group label{display:block;font-size:13px;color:var(--text-secondary);margin-bottom:5px;font-weight:600}
.form-group input[type="text"],.form-group input[type="password"]{
  width:100%;padding:10px 14px;background:var(--bg-input);border:1px solid var(--border-strong);
  border-radius:6px;color:var(--text-strong);font-size:14px;outline:none;transition:all .15s;
  font-family:inherit;
}
.form-group input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-dim)}
.form-group input::placeholder{color:var(--text-muted)}
::selection{background:rgba(61,168,227,.35)}
.form-group input::selection{background:rgba(61,168,227,.35)}
.checkbox-label{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text-primary);cursor:pointer;padding:4px 0;user-select:none}
.checkbox-label input[type="checkbox"]{accent-color:var(--accent);width:16px;height:16px;cursor:pointer;flex-shrink:0}

/* ===== Buttons ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 20px;border:none;border-radius:6px;font-size:14px;font-weight:700;cursor:pointer;transition:all .2s cubic-bezier(.4,0,.2,1);gap:6px;font-family:inherit;white-space:nowrap;line-height:1.2;position:relative;overflow:hidden}
.btn:active{transform:scale(.97)}
.btn:disabled{opacity:.7;cursor:not-allowed}
.btn:disabled:hover{transform:none}
.btn.loading{color:transparent!important;position:relative;pointer-events:none}
.btn.loading::after{content:'';position:absolute;inset:0;margin:auto;width:16px;height:16px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .6s linear infinite}
.btn-primary{background:linear-gradient(135deg,var(--success),#007A5F);color:#fff;box-shadow:0 2px 8px rgba(0,168,132,.28), inset 0 1px 0 rgba(255,255,255,.18)}
.btn-primary:hover{background:linear-gradient(135deg,#25D366,#008F6F);box-shadow:0 4px 16px rgba(0,168,132,.42), inset 0 1px 0 rgba(255,255,255,.22);transform:translateY(-1px)}
.btn-secondary{background:transparent;color:var(--text-primary);border:1px solid var(--border-strong)}
.btn-secondary:hover{background:var(--bg-hover)}
.btn-danger{background:var(--danger);color:#fff}
.btn-danger:hover{background:#C0174B}
.btn-block{width:100%}
.btn-small{padding:8px 18px;font-size:14px;min-height:36px}
.btn-tiny{padding:5px 10px;font-size:12px;min-height:28px}

.divider{text-align:center;color:var(--text-muted);font-size:12px;position:relative}
.divider::before,.divider::after{content:'';position:absolute;top:50%;width:35%;height:1px;background:var(--border)}

/* ===== Tooltip ===== */
.tooltip{
  position:fixed;z-index:9998;
  background:var(--bg-elevated);border:1px solid var(--border-strong);
  border-radius:8px;padding:12px 14px;max-width:320px;
  box-shadow:0 8px 28px rgba(0,0,0,.5);
  font-size:12px;line-height:1.55;color:var(--text-primary);
  opacity:0;pointer-events:none;transition:opacity .15s;
  transform:translateX(-50%);
}
.tooltip.open{opacity:1}
.tooltip-title{color:var(--accent);font-weight:700;font-size:12px;margin-bottom:4px;letter-spacing:.3px}
.tooltip-body{color:var(--text-secondary)}
.tooltip-usage{color:var(--text-primary);font-size:11px;margin-top:6px;padding-top:6px;border-top:1px solid var(--border)}
.tooltip-usage b{color:var(--success);font-weight:700}

/* ===== App layout (2 col: chat + members slide-in) ===== */
.app{display:grid;grid-template-columns:1fr var(--members-w);height:100vh;height:100dvh;overflow:hidden;transition:grid-template-columns .2s}
.app.members-closed{grid-template-columns:1fr 0}

/* Mobile backdrop */
.mobile-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:399;opacity:0;pointer-events:none;transition:opacity .2s}
.app.mobile-members-open .mobile-backdrop{opacity:1;pointer-events:auto}

/* ===== Top Navigation Bar ===== */
.top-nav{display:flex;align-items:center;justify-content:space-between;padding:0 10px;height:48px;background:var(--bg-nav);border-bottom:1px solid var(--border-strong);flex-shrink:0;gap:10px;z-index:10;box-shadow:var(--edge-highlight), 0 4px 16px rgba(0,0,0,.25)}
.top-nav-left{display:flex;align-items:center;gap:12px;min-width:0;flex:1}
.brand{font-weight:900;font-size:14px;padding:4px 8px;letter-spacing:-.3px;flex-shrink:0;position:relative;border-radius:6px;transition:opacity .2s,background .2s;background:linear-gradient(135deg,var(--accent) 0%,var(--success) 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent;border:none;font-family:inherit;cursor:pointer;line-height:1;display:inline-flex;align-items:center}
.brand:hover{opacity:.75}
.brand:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.brand.has-unread{background:none;-webkit-text-fill-color:currentColor;color:var(--danger);animation:brand-flash 1.1s ease-in-out infinite}
.brand.has-unread::after{content:'';position:absolute;top:2px;right:-2px;width:7px;height:7px;border-radius:50%;background:var(--danger);box-shadow:0 0 0 0 rgba(224,30,90,.55);animation:brand-dot-pulse 1.4s ease-out infinite}
@keyframes brand-flash{0%,100%{opacity:1}50%{opacity:.45}}
@keyframes brand-dot-pulse{0%{box-shadow:0 0 0 0 rgba(224,30,90,.55)}70%{box-shadow:0 0 0 7px rgba(224,30,90,0)}100%{box-shadow:0 0 0 0 rgba(224,30,90,0)}}
.top-nav-right{display:flex;align-items:center;gap:6px;flex-shrink:0}

/* Tab bar (room tabs) */
.tab-bar{display:flex;align-items:center;gap:2px;overflow-x:auto;scrollbar-width:none;flex:1;min-width:0;padding:0 4px}
.tab-bar::-webkit-scrollbar{display:none}

.room-tab{
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 12px;border-radius:6px;cursor:pointer;
  color:var(--text-secondary);font-size:14px;font-weight:600;
  white-space:nowrap;transition:all .15s;
  background:transparent;border:none;font-family:inherit;position:relative;
}
.room-tab:hover{background:var(--bg-hover);color:var(--text-strong)}
.room-tab.active{background:var(--bg-elevated);color:var(--text-strong);box-shadow:inset 0 -2px 0 var(--accent)}
.room-tab{animation:tabIn .22s cubic-bezier(.2,.85,.25,1)}
.room-tab.leaving{animation:tabOut .22s cubic-bezier(.4,0,.6,1) forwards;pointer-events:none}
@keyframes tabIn{from{opacity:0;transform:translateY(-4px) scale(.9)}to{opacity:1;transform:translateY(0) scale(1)}}
@keyframes tabOut{to{opacity:0;transform:translateY(-4px) scale(.85);max-width:0;padding-left:0;padding-right:0;margin-left:-2px}}
.room-tab .room-tab-hash{color:var(--text-muted);font-weight:400}
.room-tab.active .room-tab-hash{color:var(--text-strong)}
.room-tab.has-unread::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--danger);display:inline-block;flex-shrink:0}
.room-tab .room-tab-close{
  display:inline-flex;align-items:center;justify-content:center;
  width:16px;height:16px;border-radius:4px;background:transparent;
  border:none;color:var(--text-muted);font-size:13px;cursor:pointer;
  padding:0;line-height:1;opacity:0;transition:all .15s;
}
.room-tab:hover .room-tab-close{opacity:.7}
.room-tab .room-tab-close:hover{opacity:1!important;background:var(--bg-hover-strong);color:var(--danger)}

.tab-add-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:30px;height:30px;border-radius:6px;background:transparent;
  border:none;color:var(--text-secondary);font-size:18px;font-weight:700;
  cursor:pointer;transition:all .15s;flex-shrink:0;
}
.tab-add-btn:hover{background:var(--bg-hover-strong);color:var(--text-strong)}

.top-action-btn{
  display:inline-flex;align-items:center;gap:4px;
  padding:5px 10px;border:none;background:transparent;
  color:var(--text-secondary);font-size:13px;cursor:pointer;border-radius:6px;
  font-family:inherit;
}
.top-action-btn:hover{background:var(--bg-hover-strong);color:var(--text-strong)}

/* ===== Avatar ===== */
.avatar-base{
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:8px;overflow:hidden;flex-shrink:0;
  user-select:none;font-family:'Apple Color Emoji','Segoe UI Emoji',sans-serif;
}

/* ===== User menu button ===== */
.user-menu-btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:4px 10px 4px 4px;border-radius:8px;background:transparent;
  border:none;color:var(--text-primary);cursor:pointer;font-family:inherit;
  transition:background .15s;
}
.user-menu-btn:hover{background:var(--bg-hover-strong)}
.user-avatar{width:30px;height:30px;border-radius:7px;display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0}
.user-name{font-size:13px;font-weight:700;max-width:120px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.user-menu-caret{color:var(--text-muted);font-size:9px}

/* User menu dropdown */
.user-menu{
  position:fixed;background:var(--glass-bg);border:1px solid var(--glass-border);
  border-radius:10px;padding:4px;min-width:192px;z-index:500;
  box-shadow:var(--shadow-lg);
  backdrop-filter:blur(18px) saturate(1.3);
  -webkit-backdrop-filter:blur(18px) saturate(1.3);
}
.user-menu-item{
  display:flex;align-items:center;gap:8px;
  padding:8px 12px;border-radius:5px;cursor:pointer;
  font-size:14px;color:var(--text-primary);
}
.user-menu-item:hover{background:var(--bg-hover-strong);color:var(--text-strong)}
.user-menu-item.danger{color:var(--danger)}
.user-menu-item.danger:hover{background:rgba(224,30,90,.12)}
.user-menu-divider{height:1px;background:var(--border);margin:4px 0}

/* ===== Avatar picker ===== */
.avatar-modal-card{max-width:420px}
.avatar-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:8px 0 10px}
.avatar-option{
  aspect-ratio:1;width:100%;border-radius:12px;cursor:pointer;
  display:flex;align-items:center;justify-content:center;font-size:32px;
  border:2px solid transparent;transition:all .15s;
  font-family:'Apple Color Emoji','Segoe UI Emoji',sans-serif;
}
.avatar-option:hover{transform:scale(1.05)}
.avatar-option.selected{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-dim)}

/* ===== Chat Main ===== */
.chat-main{display:flex;flex-direction:column;overflow:hidden;position:relative;background:var(--bg-main);min-width:0}
.chat-empty{flex:1;display:flex;align-items:center;justify-content:center;color:var(--text-muted);font-size:14px;text-align:center;padding:20px}

.chat-sub-header{
  display:flex;align-items:center;padding:10px 18px;gap:8px;
  border-bottom:1px solid var(--border);flex-shrink:0;
  background:var(--bg-panel);
  box-shadow:var(--edge-highlight);
}
.chat-sub-header .room-hash{font-size:16px;color:var(--text-muted)}
.chat-sub-header .room-title{font-size:15px;font-weight:900;color:var(--text-strong);flex-shrink:0}
.chat-sub-header .room-id{font-size:11px;color:var(--text-secondary);cursor:pointer;padding:3px 10px;background:var(--bg-input);border:1px solid var(--border);border-radius:999px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;max-width:220px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;letter-spacing:.5px;transition:all .15s}
.chat-sub-header .room-id:hover{color:var(--accent)}
.invite-icon-btn{background:transparent;border:1px solid var(--border-strong);color:var(--text-secondary);cursor:pointer;font-size:12px;padding:4px 10px;border-radius:5px;transition:all .15s;font-family:inherit}
.invite-icon-btn:hover{color:var(--accent);border-color:var(--accent)}

.messages-area{flex:1;overflow-y:auto;padding:16px 0;display:flex;flex-direction:column;gap:0;align-items:stretch;transition:opacity .15s}
.messages-area.switching{opacity:0}
.messages-area>*{max-width:1100px;width:100%;margin-left:auto;margin-right:auto}

/* ===== Messages ===== */
.message{display:flex;gap:10px;padding:4px 18px;position:relative;transition:background .15s;animation:msgIn .28s cubic-bezier(.2,.85,.25,1) both}
.message::before{content:'';position:absolute;left:0;top:2px;bottom:2px;width:2px;background:var(--accent);opacity:0;border-radius:0 2px 2px 0;transition:opacity .15s}
.message.grouped{animation-duration:.18s}
@keyframes msgIn{
  from{opacity:0;transform:translateY(6px)}
  to{opacity:1;transform:translateY(0)}
}
.message:hover{background:var(--bg-hover)}
.message:hover::before{opacity:.5}
.message .msg-avatar{
  width:36px;height:36px;border-radius:8px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:20px;font-weight:700;
  margin-top:1px;
  font-family:'Apple Color Emoji','Segoe UI Emoji',sans-serif;
}
.message.grouped{padding-top:0;padding-bottom:0}
.message.grouped .msg-avatar{visibility:hidden;height:0;margin-top:0}
.message.grouped .msg-meta{display:none}
.message .msg-timestamp-inline{display:none}
.message.grouped .msg-timestamp-inline{display:inline;opacity:0;position:absolute;left:18px;top:50%;transform:translateY(-50%);width:36px;font-size:10px;color:var(--text-muted);text-align:center}
.message.grouped:hover .msg-timestamp-inline{opacity:1}

.message .msg-body{flex:1;min-width:0}
.message .msg-meta{display:flex;align-items:baseline;gap:8px;margin-bottom:1px}
.message .msg-sender{font-size:15px;font-weight:900;color:var(--text-strong);cursor:pointer}
.message .msg-sender:hover{text-decoration:underline}
.message .msg-time{font-size:12px;color:var(--text-muted)}
.message .msg-content{color:var(--text-primary);font-size:15px;line-height:1.46;word-break:break-word}
/* Image messages — sticker imgs are excluded; they have their own .msg-sticker img rule
   and shouldn't get the photo-style border / pointer cursor / extra margin. */
.message .msg-content img:not(.sticker-img){max-width:360px;max-height:280px;border-radius:6px;margin-top:4px;cursor:pointer;border:1px solid var(--border)}
.message .msg-content a{color:var(--accent);text-decoration:none}
.message .msg-content a:hover{text-decoration:underline}

.message .msg-actions{
  display:none;position:absolute;top:-12px;right:16px;
  background:var(--bg-elevated);border:1px solid var(--border-strong);
  border-radius:8px;padding:2px;z-index:5;
  box-shadow:0 4px 12px var(--shadow);
}
.message:hover .msg-actions{display:flex;gap:0}
.msg-action-btn{background:transparent;border:none;color:var(--text-secondary);cursor:pointer;font-size:14px;padding:5px 8px;border-radius:4px;line-height:1}
.msg-action-btn:hover{background:var(--bg-hover-strong);color:var(--text-strong)}

/* ===== Self vs Other — WhatsApp-style bubbles ===== */
/* Self: flip layout to right, hide own avatar (redundant), bubble tinted with accent green.
   flex:0 1 auto lets the body shrink to content width, so the bubble hugs the right edge. */
.message.self{flex-direction:row-reverse}
.message.self .msg-avatar{display:none}
.message.self .msg-body{flex:0 1 auto;max-width:min(640px,78%)}
.message.self .msg-meta{justify-content:flex-end}
.message.self .msg-sender{display:none} /* own name is redundant */
.message.self::before{display:none}      /* bubble is distinction; no side bar for self */
.message.self .msg-actions{right:auto;left:16px}
.message.self .msg-reply-quote{border-left:none;border-right:3px solid var(--reply-bar)}
.message.self.grouped .msg-timestamp-inline{left:auto;right:18px}

/* Other: body sized to content so bubble hugs left naturally */
.message.other .msg-body{flex:0 1 auto;max-width:min(640px,78%)}

/* Text-content bubble */
.message .msg-content{padding:7px 12px;border-radius:12px;display:inline-block;max-width:100%;border:1px solid transparent;transition:background .15s, border-color .15s}
.message.self .msg-content{
  background:linear-gradient(135deg,rgba(0,168,132,.22),rgba(0,168,132,.14));
  border-color:rgba(0,168,132,.3);
  border-bottom-right-radius:4px;
}
.message.other .msg-content{
  background:var(--bg-elevated);
  border-color:var(--border);
  border-bottom-left-radius:4px;
}

/* Images / files / voice / stickers keep their own card styling — strip the bubble shell.
   !important is required: theme overrides like `:root[data-theme="light"] .message.self .msg-content`
   have higher specificity (0,5,0) than this :has() rule (0,3,0) and would otherwise re-apply
   their gradient `background-image` on top of the otherwise-transparent strip. */
.message .msg-content:has(> img),
.message .msg-content:has(> .msg-file),
.message .msg-content:has(> .msg-voice),
.message .msg-content:has(> .msg-call),
.message .msg-content:has(> .msg-sticker){
  background:transparent !important;
  background-image:none !important;
  border:none !important;
  padding:0 !important;
  border-radius:0 !important;
}

/* Light theme: softer self-bubble tone */
:root[data-theme="light"] .message.self .msg-content{
  background:linear-gradient(135deg,rgba(27,114,77,.16),rgba(27,114,77,.08));
  border-color:rgba(27,114,77,.28);
}

.message.system{justify-content:center;padding:8px 18px;background:transparent}
.message.system .msg-avatar{display:none}
.message.system .msg-body{flex:0 1 auto;text-align:center;color:var(--text-muted);font-size:12px;font-style:italic}

.msg-reply-quote{background:transparent;border-left:3px solid var(--reply-bar);padding:2px 10px;margin-bottom:6px;font-size:13px;cursor:pointer}
.msg-reply-quote:hover{background:var(--bg-hover)}
.msg-reply-quote .reply-name{color:var(--accent);font-weight:700;display:block}
.msg-reply-quote .reply-text{color:var(--text-secondary);display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:380px}

.msg-file{display:inline-flex;align-items:center;gap:10px;background:var(--bg-elevated);padding:10px 14px;border-radius:6px;margin-top:6px;cursor:pointer;border:1px solid var(--border);max-width:380px}
.msg-file:hover{background:var(--bg-hover-strong);border-color:var(--border-strong)}
.msg-file-icon{font-size:22px}
.msg-file-info{flex:1;min-width:0}
.msg-file-name{font-size:14px;font-weight:700;color:var(--text-strong);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.msg-file-size{font-size:12px;color:var(--text-muted)}

.msg-link-preview{display:block;background:var(--bg-elevated);border-left:3px solid var(--accent);border-radius:0 6px 6px 0;padding:8px 12px;margin-top:6px;text-decoration:none;max-width:420px}
.msg-link-preview:hover{background:var(--bg-hover-strong)}
.msg-link-preview .link-url{font-size:13px;color:var(--accent);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:block}
.msg-link-preview .link-domain{font-size:11px;color:var(--text-muted);margin-top:2px}

/* ===== Markdown ===== */
.md-inline{background:rgba(29,155,209,.1);border:1px solid rgba(29,155,209,.2);padding:1px 6px;border-radius:4px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px;color:#6FCEFF}
.md-pre{background:var(--bg-elevated);border:1px solid var(--border);padding:12px 14px;border-radius:6px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px;color:var(--text-primary);overflow-x:auto;margin:4px 0;line-height:1.5;max-width:540px}
.md-pre code{font-family:inherit;white-space:pre}
.md-quote{border-left:3px solid var(--accent);padding:2px 12px;margin:4px 0;color:var(--text-secondary);font-style:normal;background:rgba(29,155,209,.04);border-radius:0 4px 4px 0;display:block}
.md-h{display:block;font-weight:900;line-height:1.3;margin:6px 0 4px;color:var(--text-strong);letter-spacing:-.2px}
.md-h:first-child{margin-top:0}
.md-h3{font-size:18px}
.md-h4{font-size:16px}
.md-h5{font-size:14.5px;color:var(--text-primary)}
.md-list{margin:4px 0;padding-left:24px}
.md-list li{margin:2px 0;line-height:1.5}
.md-list li::marker{color:var(--text-muted)}
ol.md-list li::marker{font-weight:700;color:var(--accent)}
.md-hr{border:none;border-top:1px solid var(--border-strong);margin:10px 0;height:0}

/* Long-message fold (auto-collapse + 查看更多 toggle) */
.md-fold{display:block}
.md-fold.collapsed{
  max-height:400px;overflow:hidden;
  -webkit-mask-image:linear-gradient(180deg,#000 0%,#000 85%,transparent 100%);
          mask-image:linear-gradient(180deg,#000 0%,#000 85%,transparent 100%);
}
.md-fold-toggle{
  display:inline-flex;align-items:center;gap:4px;
  margin-top:6px;padding:2px 0;background:transparent;border:none;
  color:var(--accent);cursor:pointer;
  font-size:13px;font-weight:700;font-family:inherit;line-height:1.3;
  transition:color .15s;
}
.md-fold-toggle:hover{color:var(--accent-hover);text-decoration:underline}
.md-fold-toggle::after{content:'›';font-size:14px;font-weight:900;transition:transform .2s}
.md-fold-toggle.expanded::after{transform:rotate(90deg)}
.msg-content b{color:var(--text-strong);font-weight:700}
.msg-content i{font-style:italic}
.msg-content s{color:var(--text-muted);text-decoration:line-through}
.msg-content u{text-decoration:underline;text-decoration-color:var(--accent)}

/* Pending image preview (paste → edit → send) */
.pending-image{display:flex;align-items:center;gap:12px;margin:0 18px 6px;padding:8px 10px;background:var(--bg-elevated);border:1px solid var(--border-strong);border-left:3px solid var(--success);border-radius:6px;flex-shrink:0;animation:msgIn .22s cubic-bezier(.2,.85,.25,1)}
.pending-image.hidden{display:none}
.pending-image img{width:48px;height:48px;object-fit:cover;border-radius:4px;border:1px solid var(--border);flex-shrink:0;cursor:zoom-in}
.pending-image-info{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px}
.pending-image-name{color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-weight:600;font-size:13px}
.pending-image-size{color:var(--text-muted);font-size:11px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
.pending-image-close{background:transparent;border:none;color:var(--text-muted);font-size:20px;cursor:pointer;padding:2px 8px;border-radius:4px;line-height:1;flex-shrink:0;transition:all .15s}
.pending-image-close:hover{color:var(--text-strong);background:var(--bg-hover-strong)}
@media(max-width:768px){.pending-image{margin:0 8px 6px}}

/* Reply preview */
.reply-preview{display:flex;align-items:center;margin:0 18px 6px;padding:8px 12px;background:var(--bg-elevated);border:1px solid var(--border-strong);border-left:3px solid var(--reply-bar);border-radius:4px;gap:10px;flex-shrink:0}
.reply-preview-content{flex:1;min-width:0;font-size:13px}
.reply-preview-name{color:var(--accent);font-weight:700;margin-right:6px}
.reply-preview-text{color:var(--text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.reply-preview-close{background:none;border:none;color:var(--text-muted);font-size:18px;cursor:pointer;padding:2px 6px;border-radius:4px;line-height:1}
.reply-preview-close:hover{color:var(--text-strong);background:var(--bg-hover)}

/* Input composer */
.chat-input-wrap{padding:0 18px 18px;flex-shrink:0;position:relative}
.chat-input-area{
  display:flex;flex-direction:column;background:var(--bg-input);
  border:1px solid var(--border-strong);border-radius:12px;overflow:hidden;
  transition:border-color .2s ease, box-shadow .2s ease, transform .15s ease;
  box-shadow:var(--shadow-sm), var(--edge-highlight);
}
.chat-input-area:focus-within{
  border-color:var(--accent);
  box-shadow:0 0 0 4px rgba(61,168,227,.15), 0 6px 18px rgba(61,168,227,.12), var(--edge-highlight);
}
.chat-input-area textarea{
  width:100%;display:block;padding:12px 14px 4px;background:transparent;border:none;
  color:var(--text-primary);font-size:15px;font-family:inherit;
  resize:none;outline:none;max-height:280px;min-height:42px;line-height:1.5;
  overflow-y:hidden;
}
.chat-input-area textarea::-webkit-scrollbar{width:8px}
.chat-input-area textarea::-webkit-scrollbar-track{background:transparent;margin:4px 0}
.chat-input-area textarea::-webkit-scrollbar-thumb{background:var(--scroll-thumb);border-radius:4px}
.chat-input-area textarea::-webkit-scrollbar-thumb:hover{background:var(--scroll-thumb-hover)}
.chat-input-area textarea::placeholder{color:var(--text-muted);transition:color .15s}
.chat-input-area:focus-within textarea::placeholder{color:var(--text-secondary)}

.input-toolbar{display:flex;align-items:center;padding:4px 8px;gap:2px;border-top:1px solid var(--border)}
.input-actions{display:flex;gap:0;flex:1;align-items:center}
.input-action-btn{
  width:34px;height:30px;display:flex;align-items:center;justify-content:center;
  background:transparent;border:none;color:var(--text-secondary);cursor:pointer;
  font-size:16px;border-radius:6px;transition:all .18s cubic-bezier(.4,0,.2,1);
}
.input-action-btn:hover{background:var(--bg-hover-strong);color:var(--text-strong);transform:translateY(-1px)}
.input-action-btn:active{transform:translateY(0)}
.input-action-btn.slash-btn{font-weight:900;font-family:ui-monospace,monospace;font-size:15px}
.input-action-btn svg{width:18px;height:18px;stroke:currentColor;display:block}

.send-btn{
  min-width:34px;height:30px;padding:0 10px;background:transparent;border:none;
  color:var(--text-muted);font-size:15px;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  transition:all .18s cubic-bezier(.4,0,.2,1);border-radius:6px;
  position:relative;
}
.send-btn svg{width:17px;height:17px;stroke:currentColor;display:block}
.send-btn.active{background:var(--success);color:#fff;box-shadow:0 2px 8px rgba(0,168,132,.32), inset 0 1px 0 rgba(255,255,255,.16)}
.send-btn.active:hover{background:#008F6F;transform:translateY(-1px);box-shadow:0 4px 12px rgba(0,168,132,.42), inset 0 1px 0 rgba(255,255,255,.2)}
.send-btn.flash{animation:sendFlash .35s cubic-bezier(.34,1.56,.64,1)}
@keyframes sendFlash{
  0%{transform:scale(1)}
  30%{transform:scale(1.25) rotate(-8deg);box-shadow:0 0 0 8px rgba(46,182,125,.3)}
  70%{transform:scale(.95) rotate(6deg)}
  100%{transform:scale(1) rotate(0)}
}

/* ===== Slash Popup ===== */
.slash-popup{
  display:none;position:absolute;bottom:calc(100% + 8px);left:18px;right:18px;
  background:var(--glass-bg);border:1px solid var(--glass-border);
  border-radius:10px;max-height:320px;overflow-y:auto;
  box-shadow:var(--shadow-lg);z-index:200;
  backdrop-filter:blur(18px) saturate(1.3);
  -webkit-backdrop-filter:blur(18px) saturate(1.3);
}
.slash-popup.open{display:block}
.slash-popup-header{padding:6px 12px;font-size:11px;color:var(--text-muted);font-weight:700;letter-spacing:.5px;text-transform:uppercase;border-bottom:1px solid var(--border);background:var(--bg-input)}
.slash-item{display:flex;align-items:center;gap:10px;padding:10px 14px;cursor:pointer;transition:background .1s;font-size:14px}
.slash-item:hover,.slash-item.selected{background:var(--active-bg);color:#fff}
.slash-item.selected .slash-cmd,.slash-item.selected .slash-desc{color:#fff}
.slash-icon{width:24px;height:24px;display:flex;align-items:center;justify-content:center;font-size:14px;flex-shrink:0}
.slash-cmd{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-weight:700;color:var(--text-strong);flex-shrink:0}
.slash-args{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--text-muted);font-size:13px;flex-shrink:0}
.slash-desc{color:var(--text-secondary);font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0}

/* ===== Emoji picker ===== */
.emoji-picker{display:none;position:absolute;bottom:100%;right:18px;margin-bottom:8px;background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:12px;width:360px;height:320px;overflow:hidden;box-shadow:var(--shadow-lg);z-index:100;flex-direction:column;backdrop-filter:blur(18px) saturate(1.3);-webkit-backdrop-filter:blur(18px) saturate(1.3)}
.emoji-picker.open{display:flex}
.emoji-tabs{display:flex;gap:2px;padding:6px 6px 4px;background:var(--bg-elevated);border-bottom:1px solid var(--border);flex-shrink:0;overflow-x:auto;scrollbar-width:none}
.emoji-tabs::-webkit-scrollbar{display:none}
.emoji-tab{background:transparent;border:none;color:var(--text-secondary);font-size:13px;padding:5px 10px;border-radius:5px;cursor:pointer;font-family:inherit;white-space:nowrap;transition:all .15s;font-weight:600}
.emoji-tab:hover{background:var(--bg-hover-strong);color:var(--text-strong)}
.emoji-tab.active{background:var(--accent-dim);color:var(--accent)}
.emoji-grid{display:grid;grid-template-columns:repeat(8,1fr);gap:2px;padding:8px;overflow-y:auto;flex:1}
.emoji-item{width:100%;aspect-ratio:1;display:flex;align-items:center;justify-content:center;font-size:22px;cursor:pointer;border-radius:5px;transition:all .12s;line-height:1}
.emoji-item:hover{background:var(--bg-hover-strong);transform:scale(1.2)}

/* ===== Sticker picker ===== */
.sticker-picker{display:none;position:absolute;bottom:100%;right:18px;margin-bottom:8px;background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:12px;width:380px;height:380px;overflow:hidden;box-shadow:var(--shadow-lg);z-index:100;flex-direction:column;backdrop-filter:blur(18px) saturate(1.3);-webkit-backdrop-filter:blur(18px) saturate(1.3)}
.sticker-picker.open{display:flex}
.sticker-tabs{display:flex;gap:2px;padding:6px 6px 4px;border-bottom:1px solid var(--border);flex-shrink:0;overflow-x:auto;scrollbar-width:none;scroll-behavior:smooth;position:relative;
  /* Edge fade to hint at horizontal scroll — works on both light + dark themes */
  -webkit-mask-image:linear-gradient(90deg, transparent 0, #000 16px, #000 calc(100% - 16px), transparent 100%);
          mask-image:linear-gradient(90deg, transparent 0, #000 16px, #000 calc(100% - 16px), transparent 100%)}
.sticker-tabs::-webkit-scrollbar{display:none}
.sticker-tab{flex:0 0 auto;background:transparent;border:none;color:var(--text-secondary);font:inherit;font-size:12.5px;font-weight:600;padding:6px 10px;border-radius:6px;cursor:pointer;transition:all .15s;display:inline-flex;align-items:center;justify-content:center;gap:5px;white-space:nowrap}
.sticker-tab:hover{background:var(--bg-hover-strong);color:var(--text-strong)}
.sticker-tab.active{background:var(--accent-dim);color:var(--accent)}
.sticker-tab .sticker-tab-emoji{font-size:16px;line-height:1}
.sticker-tab .sticker-tab-name{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sticker-recent-row{padding:8px 10px 6px;border-bottom:1px solid var(--border);flex-shrink:0;animation:msgIn .22s ease}
.sticker-recent-row.hidden{display:none}
.sticker-recent-label{font-size:10px;font-weight:800;letter-spacing:1.2px;text-transform:uppercase;color:var(--text-muted);font-family:ui-monospace,SFMono-Regular,Menlo,monospace;margin-bottom:4px;padding:0 2px}
.sticker-recent-grid{display:grid;grid-template-columns:repeat(8,1fr);gap:4px}
.sticker-recent-grid .sticker-item{aspect-ratio:1;padding:4px}
.sticker-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;padding:10px;flex:1;overflow-y:auto;align-content:start}
.sticker-item{cursor:pointer;aspect-ratio:1;display:grid;place-items:center;border-radius:10px;background:transparent;transition:transform .18s cubic-bezier(.34,1.56,.64,1),background .15s;padding:6px;border:none;font:inherit;position:relative}
.sticker-item:hover{transform:scale(1.12) rotate(-3deg);background:var(--bg-hover-strong)}
.sticker-item:active{transform:scale(.95)}
.sticker-item svg,.sticker-item img{width:100%;height:100%;display:block;pointer-events:none;object-fit:contain}
.sticker-num{position:absolute;top:3px;left:5px;font-size:10px;font-weight:700;color:var(--text-muted);font-family:ui-monospace,SFMono-Regular,Menlo,monospace;line-height:1;pointer-events:none;user-select:none;letter-spacing:.5px;background:var(--glass-bg);padding:1px 4px;border-radius:3px;border:1px solid var(--glass-border);opacity:.7;transition:opacity .15s}
.sticker-item:hover .sticker-num{opacity:1}
@media(max-width:768px){
  .sticker-picker{left:8px;right:8px;width:auto;max-width:none;height:340px}
  .sticker-grid{grid-template-columns:repeat(5,1fr)}
  .sticker-recent-grid{grid-template-columns:repeat(8,1fr)}
}

/* Sticker rendered in chat — no bubble, transparent edges, pop-in */
.msg-sticker{display:inline-block;line-height:0;animation:stickerPop .42s cubic-bezier(.34,1.56,.64,1) both}
.msg-sticker svg,.msg-sticker img{width:160px;height:160px;display:block;cursor:default;user-select:none}
@media(max-width:768px){.msg-sticker svg,.msg-sticker img{width:128px;height:128px}}
@keyframes stickerPop{
  0%{transform:scale(.4);opacity:0}
  60%{transform:scale(1.1);opacity:1}
  100%{transform:scale(1);opacity:1}
}
@media(prefers-reduced-motion:reduce){.msg-sticker{animation:none}}

/* ===== Members Panel ===== */
.members-panel{background:var(--bg-panel);border-left:1px solid var(--border-strong);overflow-y:auto;overflow-x:hidden;width:var(--members-w);box-shadow:inset 1px 0 0 rgba(180,210,245,.03)}
.app.members-closed .members-panel{width:0;border:none}
.panel-header{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;font-weight:900;font-size:15px;color:var(--text-strong);border-bottom:1px solid var(--border)}
.member-count{color:var(--text-muted);font-size:13px;font-weight:600}
.panel-section{padding:10px 10px}
.panel-section-title{font-size:10px;font-weight:800;color:var(--text-muted);text-transform:uppercase;margin-bottom:6px;padding:4px 8px 0;letter-spacing:1.2px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}

.member-item{display:flex;align-items:center;gap:10px;padding:6px 10px;font-size:14px;border-radius:6px;position:relative;cursor:default}
.member-item:hover{background:var(--bg-hover)}
.member-item .avatar{
  width:32px;height:32px;border-radius:7px;display:flex;align-items:center;justify-content:center;
  font-size:18px;flex-shrink:0;position:relative;
  font-family:'Apple Color Emoji','Segoe UI Emoji',sans-serif;
}
.member-item .avatar::after{content:'';position:absolute;bottom:-2px;right:-2px;width:10px;height:10px;border-radius:50%;background:var(--success);border:2px solid var(--bg-panel)}
.member-item .member-info{flex:1;min-width:0;display:flex;align-items:center;gap:6px}
.member-item .member-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:14px;color:var(--text-strong);font-weight:600}
.member-item .member-role{font-size:10px;color:var(--warning);background:rgba(236,178,46,.15);padding:1px 6px;border-radius:3px;font-weight:700;flex-shrink:0}
.member-item.is-me .member-name .me-suffix{color:var(--text-muted);font-weight:400;margin-left:2px}

.pending-item{display:flex;align-items:center;gap:8px;padding:8px 10px;font-size:13px;background:rgba(236,178,46,.08);border-radius:6px;margin-bottom:4px}
.pending-item .pending-name{flex:1;color:var(--text-strong);font-weight:600}
.pending-item .pending-actions{display:flex;gap:4px}

/* ===== Modal ===== */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.55);backdrop-filter:blur(10px) saturate(1.2);-webkit-backdrop-filter:blur(10px) saturate(1.2);z-index:600;display:flex;align-items:center;justify-content:center;padding:20px;animation:fadeIn .18s ease}
.modal-card{position:relative;background:var(--bg-main);border:1px solid var(--border-strong);border-radius:16px;padding:26px 28px;width:440px;max-width:100%;box-shadow:var(--shadow-xl);animation:modalIn .25s cubic-bezier(.2,.85,.25,1.05);overflow:hidden}
.modal-card::before{content:'';position:absolute;inset:0;background:var(--surface-gradient);pointer-events:none;border-radius:inherit}
.modal-card > *{position:relative;z-index:1}
.modal-card h3{font-size:18px;margin-bottom:18px;color:var(--text-strong);font-weight:900}
.modal-actions{display:flex;gap:8px;justify-content:flex-end;margin-top:20px}
.modal-actions.centered{justify-content:center}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes modalIn{from{opacity:0;transform:translateY(12px) scale(.96)}to{opacity:1;transform:translateY(0) scale(1)}}

/* Modal header with X close */
.modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.modal-header h3{margin:0}
.modal-close{background:transparent;border:none;color:var(--text-muted);font-size:24px;width:30px;height:30px;border-radius:6px;cursor:pointer;line-height:1;display:flex;align-items:center;justify-content:center;transition:all .15s}
.modal-close:hover{background:var(--bg-hover-strong);color:var(--text-strong)}

/* Toggle switch */
.toggle{position:relative;display:inline-block;width:40px;height:22px;flex-shrink:0;cursor:pointer}
.toggle input{opacity:0;width:0;height:0}
.toggle-slider{position:absolute;inset:0;background:var(--bg-input);border:1px solid var(--border-strong);border-radius:20px;transition:all .25s cubic-bezier(.4,0,.2,1)}
.toggle-slider::before{content:'';position:absolute;height:16px;width:16px;left:2px;top:2px;background:#E5E7EB;border-radius:50%;transition:all .28s cubic-bezier(.4,0,.2,1);box-shadow:0 2px 4px rgba(0,0,0,.3)}
.toggle input:checked + .toggle-slider{background:var(--success);border-color:var(--success)}
.toggle input:checked + .toggle-slider::before{transform:translateX(18px);background:#fff}
.toggle:hover .toggle-slider{border-color:rgba(255,255,255,.25)}

/* Settings rows */
.settings-group{margin-top:8px;border-top:1px solid var(--border)}
.setting-row{display:flex;align-items:center;gap:12px;padding:14px 0;border-bottom:1px solid var(--border)}
.setting-icon{width:34px;height:34px;border-radius:8px;background:var(--bg-input);display:flex;align-items:center;justify-content:center;font-size:16px;color:var(--accent);flex-shrink:0;font-weight:700;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
.setting-info{flex:1;min-width:0}
.setting-name{font-size:14px;color:var(--text-strong);font-weight:700;line-height:1.3}
.setting-desc{font-size:12px;color:var(--text-muted);margin-top:2px;line-height:1.4}
.setting-expand{padding:0 0 14px 46px;border-bottom:1px solid var(--border);animation:expandIn .22s cubic-bezier(.2,.85,.25,1)}
.setting-expand.hidden{display:none}
@keyframes expandIn{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}
.setting-expand input{width:100%;padding:9px 12px;background:var(--bg-input);border:1px solid var(--border-strong);border-radius:6px;color:var(--text-strong);font-size:13px;outline:none;font-family:inherit;transition:border-color .15s}
.setting-expand input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-dim)}
.setting-expand input::placeholder{color:var(--text-muted)}

/* Invite modal */
.modal-invite{text-align:center;max-width:420px;padding:32px 28px 24px}
.invite-illustration{margin-bottom:16px;display:flex;justify-content:center}
.invite-icon-bg{width:72px;height:72px;border-radius:20px;background:linear-gradient(135deg,#FDE047,#F59E0B);display:flex;align-items:center;justify-content:center;font-size:38px;box-shadow:0 10px 28px rgba(245,158,11,.35);animation:bounceIn .45s cubic-bezier(.34,1.56,.64,1)}
@keyframes bounceIn{0%{transform:scale(0);opacity:0}70%{transform:scale(1.08)}100%{transform:scale(1);opacity:1}}
.invite-title{font-size:22px!important;margin-bottom:8px!important;color:var(--text-strong)}
.invite-sub{font-size:13px;color:var(--text-secondary);margin-bottom:22px;line-height:1.5}
.invite-link-group{display:flex;gap:0;align-items:stretch;background:var(--bg-input);border:1px solid var(--border-strong);border-radius:8px;padding:4px;margin-bottom:18px;transition:border-color .15s}
.invite-link-group:focus-within,.invite-link-group:hover{border-color:var(--accent)}
.modal-invite .invite-link-box{flex:1;background:transparent;border:none;padding:8px 12px;font-size:12px;font-family:ui-monospace,Menlo,monospace;color:var(--accent);text-align:left;margin:0;word-break:break-all;user-select:all;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;display:flex;align-items:center}
.invite-copy-btn{background:var(--success);color:#fff;border:none;padding:0 20px;border-radius:6px;font-size:13px;font-weight:700;cursor:pointer;transition:all .18s cubic-bezier(.4,0,.2,1);flex-shrink:0;font-family:inherit}
.invite-copy-btn:hover{background:#008F6F;transform:scale(1.03)}
.invite-copy-btn:active{transform:scale(.97)}

/* Confirm dialog — compact */
.modal-confirm{max-width:360px;padding:22px 24px}
.modal-confirm h3{font-size:16px;margin-bottom:8px}
.modal-confirm .confirm-msg{font-size:14px;color:var(--text-secondary);line-height:1.5;margin-bottom:0}

.invite-link-box{background:var(--bg-input);border:1px solid var(--border);border-radius:6px;padding:10px 14px;font-size:13px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--accent);word-break:break-all;user-select:all;margin-bottom:6px}

/* Image Modal */
.image-modal{display:none;position:fixed;inset:0;background:rgba(0,0,0,.9);z-index:1000;align-items:center;justify-content:center;cursor:zoom-out}
.image-modal.open{display:flex}
.image-modal img{max-width:90vw;max-height:90vh;border-radius:6px}

/* Toast */
.toast-container{position:fixed;top:16px;right:16px;z-index:9999;display:flex;flex-direction:column;gap:6px}
.toast{background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:8px;padding:10px 16px;font-size:13px;color:var(--text-strong);box-shadow:var(--shadow-md);animation:slideIn .25s;max-width:320px;font-weight:500;backdrop-filter:blur(16px) saturate(1.3);-webkit-backdrop-filter:blur(16px) saturate(1.3)}
.toast.success{border-left:3px solid var(--success)}
.toast.error{border-left:3px solid var(--danger)}
.toast.info{border-left:3px solid var(--warning)}
@keyframes slideIn{from{transform:translateX(20px);opacity:0}to{transform:translateX(0);opacity:1}}

/* Conn */
.conn-status{font-size:12px;padding:3px 8px;border-radius:4px}
.conn-status.connected{color:var(--success)}
.conn-status.disconnected{color:var(--danger)}

/* Connection dot */
.conn-dot{
  width:8px;height:8px;border-radius:50%;display:inline-block;
  background:var(--danger);transition:background .3s;vertical-align:middle;flex-shrink:0;
  box-shadow:0 0 0 0 rgba(224,30,90,.4);
  animation:dotPulseRed 1.4s ease-out infinite;
}
/* Once connected, pulse three times to confirm then settle — endless pulse felt anxious. */
.conn-dot.connected{
  background:var(--success);
  box-shadow:0 0 0 0 rgba(0,168,132,.5);
  animation:dotPulseGreen 1.6s ease-out 3 both;
}
@keyframes dotPulseRed{
  0%{box-shadow:0 0 0 0 rgba(224,30,90,.5)}
  70%{box-shadow:0 0 0 7px rgba(224,30,90,0)}
  100%{box-shadow:0 0 0 0 rgba(224,30,90,0)}
}
@keyframes dotPulseGreen{
  0%{box-shadow:0 0 0 0 rgba(0,168,132,.45)}
  70%{box-shadow:0 0 0 6px rgba(0,168,132,0)}
  100%{box-shadow:0 0 0 0 rgba(0,168,132,0)}
}

/* Conn panel — top-right of lobby card, shows steps while connecting, collapses to dot when done */
.conn-panel{
  position:absolute;top:18px;right:18px;
  display:flex;flex-direction:column;align-items:flex-end;gap:6px;
  font-size:11px;z-index:2;
  transition:all .3s cubic-bezier(.2,.85,.25,1);
}
.conn-panel-collapsed{
  display:none;align-items:center;gap:6px;
  padding:5px 12px 5px 10px;border-radius:999px;
  background:rgba(0,168,132,.1);
  border:1px solid rgba(0,168,132,.28);
  box-shadow:inset 0 0 0 1px rgba(0,168,132,.05), 0 4px 14px rgba(0,168,132,.16);
  color:var(--success);font-weight:600;line-height:1;
  font:inherit;font-weight:600;
  cursor:pointer;
  animation:pillIn .42s cubic-bezier(.34,1.56,.64,1.05) both;
  transition:background .15s, transform .12s;
}
.conn-panel-collapsed:hover{background:rgba(0,168,132,.16)}
.conn-panel-collapsed:active{transform:scale(.97)}
.conn-panel-collapsed:focus-visible{outline:2px solid var(--success);outline-offset:2px}
.conn-panel-caret{font-size:10px;line-height:1;opacity:.6;transition:transform .2s}
.conn-panel.expanded .conn-panel-caret{transform:rotate(180deg)}
@keyframes pillIn{
  0%{opacity:0;transform:scale(.78) translateY(-4px)}
  60%{opacity:1;transform:scale(1.05) translateY(0)}
  100%{opacity:1;transform:scale(1) translateY(0)}
}
/* Re-expand the four-step audit when the user clicks the pill in the done state. */
.conn-panel[data-state="done"].expanded .conn-panel-steps{display:flex;animation:fadeIn .25s}
.conn-panel[data-state="done"] .conn-panel-collapsed{display:inline-flex}
.conn-panel[data-state="done"] .conn-panel-steps{display:none}

.conn-panel-steps{
  display:flex;flex-direction:column;gap:4px;
  background:var(--glass-bg);border:1px solid var(--glass-border);
  border-radius:10px;padding:10px 12px;min-width:180px;
  box-shadow:var(--shadow-md);
  animation:fadeIn .25s;
  backdrop-filter:blur(14px) saturate(1.3);
  -webkit-backdrop-filter:blur(14px) saturate(1.3);
}
.conn-step{display:flex;align-items:center;gap:8px;color:var(--text-muted);font-size:12px;line-height:1.4;transition:color .25s ease, opacity .25s ease}
.conn-step.active{color:var(--text-primary)}
.conn-step.done{color:var(--text-secondary)}
.conn-step.done .conn-step-label{opacity:.72}
.conn-step-marker{
  width:14px;height:14px;flex-shrink:0;display:flex;align-items:center;justify-content:center;
  border-radius:50%;background:var(--bg-input);border:1px solid var(--border-strong);
  transition:background .25s ease, border-color .25s ease;
  position:relative;
}
/* Active step — conic-gradient ring spinner. Cleaner than the border-trick:
   the gradient draws a smooth 270° arc, masked into a 2 px ring shape. */
.conn-step.active .conn-step-marker{
  border:none;
  background:conic-gradient(from 0deg, transparent 0deg, var(--accent) 320deg);
  -webkit-mask:radial-gradient(circle at center, transparent 3.5px, #000 4.5px);
          mask:radial-gradient(circle at center, transparent 3.5px, #000 4.5px);
  animation:spin .85s linear infinite;
}
/* Done — flash green ring outward, then the check mark pops in. */
.conn-step.done .conn-step-marker{
  background:var(--success);border-color:var(--success);
  animation:markerDone .55s cubic-bezier(.34,1.56,.64,1) both;
}
@keyframes markerDone{
  0%  {box-shadow:0 0 0 0 rgba(0,168,132,.55);transform:scale(.85)}
  55% {box-shadow:0 0 0 7px rgba(0,168,132,0);transform:scale(1.18)}
  100%{box-shadow:0 0 0 0 rgba(0,168,132,0);transform:scale(1)}
}
.conn-step.done .conn-step-marker::after{
  content:'';width:4px;height:7px;border-right:2px solid #fff;border-bottom:2px solid #fff;
  transform:rotate(45deg) translate(-1px,-1px);
  animation:checkPop .35s .12s cubic-bezier(.34,1.56,.64,1) both;
}
@keyframes checkPop{
  0%  {opacity:0;transform:rotate(45deg) translate(-1px,-1px) scale(0)}
  100%{opacity:1;transform:rotate(45deg) translate(-1px,-1px) scale(1)}
}
.conn-step.failed .conn-step-marker{background:var(--danger);border-color:var(--danger);animation:none}
.conn-step.failed .conn-step-marker::after{content:'×';color:#fff;font-size:10px;font-weight:900;line-height:1;animation:none;transform:none;border:none}
.conn-step-label{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:11px;transition:color .25s ease}

/* Inline action button inside input (like refresh) */
.input-with-action{position:relative}
.input-with-action input{padding-right:38px!important}
.input-action-inline{
  position:absolute;right:4px;top:50%;transform:translateY(-50%);
  width:30px;height:30px;display:flex;align-items:center;justify-content:center;
  background:transparent;border:none;color:var(--text-muted);cursor:pointer;
  border-radius:6px;transition:all .15s;
}
.input-action-inline:hover{background:var(--bg-hover-strong);color:var(--accent)}
.input-action-inline:active{transform:translateY(-50%) scale(.9)}
.input-action-inline svg{width:15px;height:15px;stroke:currentColor;transition:transform .4s}
.input-action-inline.spinning svg{transform:rotate(360deg)}

/* Connecting banner — shown when user clicks before ws ready */
.connecting-banner{
  position:fixed;top:24px;left:50%;transform:translateX(-50%);
  background:var(--glass-bg);border:1px solid var(--glass-border);
  border-radius:999px;padding:9px 18px 9px 14px;
  display:flex;align-items:center;gap:10px;
  color:var(--text-strong);font-size:13px;font-weight:600;
  box-shadow:var(--shadow-md);
  z-index:9500;
  animation:bannerIn .25s cubic-bezier(.2,.85,.25,1);
  backdrop-filter:blur(16px) saturate(1.3);
  -webkit-backdrop-filter:blur(16px) saturate(1.3);
}
.connecting-banner.hidden{display:none}
.connecting-banner .spinner-inline{
  width:14px;height:14px;flex-shrink:0;
  border:2px solid rgba(255,255,255,.18);
  border-top-color:var(--accent);
  border-radius:50%;
  animation:spin .6s linear infinite;
}
@keyframes bannerIn{from{transform:translate(-50%,-20px);opacity:0}to{transform:translateX(-50%);opacity:1}}

/* Network status bar — fixed pill, top-center. Red persistent while offline,
   green for a 2 s "reconnected" flash. Sits below the connecting-banner slot. */
.net-banner{
  position:fixed;top:24px;left:50%;transform:translateX(-50%);
  display:flex;align-items:center;gap:8px;
  padding:8px 16px 8px 12px;border-radius:999px;
  font-size:13px;font-weight:600;
  z-index:9600;
  box-shadow:var(--shadow-md);
  backdrop-filter:blur(16px) saturate(1.3);
  -webkit-backdrop-filter:blur(16px) saturate(1.3);
  animation:bannerIn .25s cubic-bezier(.2,.85,.25,1);
}
.net-banner.hidden{display:none}
.net-banner-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}
.net-banner.offline{
  background:rgba(241,92,109,.16);border:1px solid rgba(241,92,109,.4);
  color:var(--danger);
}
.net-banner.offline .net-banner-dot{
  background:var(--danger);
  animation:dotPulseRed 1.4s ease-out infinite;
}
.net-banner.online{
  background:rgba(0,168,132,.14);border:1px solid rgba(0,168,132,.4);
  color:var(--success);
}
.net-banner.online .net-banner-dot{background:var(--success)}

/* Absolute close X for modals like invite */
.modal-close-abs{position:absolute;top:14px;right:14px}
.modal-invite{position:relative}

/* Scrollbar */
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--scroll-thumb);border-radius:5px;border:2px solid transparent;background-clip:padding-box}
::-webkit-scrollbar-thumb:hover{background:var(--scroll-thumb-hover);background-clip:padding-box;border:2px solid transparent}

/* Upload Loading */
.upload-loading{position:absolute;bottom:calc(100% + 8px);left:18px;right:18px;display:flex;justify-content:center;z-index:50}
.upload-loading.hidden{display:none}
.upload-loading-inner{display:flex;align-items:center;gap:10px;background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:10px;padding:10px 18px;font-size:13px;color:var(--text-strong);box-shadow:var(--shadow-md);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}
.spinner{width:16px;height:16px;border:2px solid var(--border-strong);border-top-color:var(--accent);border-radius:50%;animation:spin .6s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* Voice Recording */
.voice-recording{padding:10px 18px;background:var(--bg-elevated);border-top:1px solid var(--border);flex-shrink:0;margin:0 18px 6px;border-radius:6px}
.voice-recording.hidden{display:none}
.voice-recording-inner{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--text-strong)}
.voice-dot{width:10px;height:10px;border-radius:50%;background:var(--danger);animation:pulse 1s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}

/* ===== Call invite card ===== */
.msg-call{
  display:flex;align-items:center;gap:14px;
  padding:14px 16px;border-radius:12px;margin-top:4px;
  max-width:380px;cursor:pointer;
  border:1px solid;transition:all .18s;
  position:relative;overflow:hidden;
}
.msg-call-icon{
  width:40px;height:40px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
}
.msg-call-icon svg{width:20px;height:20px}
.msg-call-info{flex:1;min-width:0}
.msg-call-title{font-size:14px;font-weight:700;color:var(--text-strong);line-height:1.3}
.msg-call-meta{font-size:12px;color:var(--text-secondary);margin-top:2px;display:flex;align-items:center;gap:8px}
.msg-call-badge{font-size:11px;padding:2px 8px;border-radius:10px;font-weight:700;letter-spacing:.3px}
.msg-call-cta{font-size:13px;font-weight:700;flex-shrink:0;padding:6px 12px;border-radius:6px}

/* Pending — waiting for peer */
.msg-call.state-pending{background:rgba(29,155,209,.08);border-color:rgba(29,155,209,.35)}
.msg-call.state-pending:hover{background:rgba(29,155,209,.14);border-color:var(--accent)}
.msg-call.state-pending .msg-call-icon{background:var(--accent-dim);color:var(--accent)}
.msg-call.state-pending .msg-call-badge{background:var(--accent-dim);color:var(--accent)}
.msg-call.state-pending .msg-call-cta{background:var(--accent);color:#fff}

/* Active — in call */
.msg-call.state-active{background:rgba(46,182,125,.08);border-color:rgba(46,182,125,.35)}
.msg-call.state-active:hover{background:rgba(46,182,125,.14)}
.msg-call.state-active .msg-call-icon{background:rgba(46,182,125,.18);color:var(--success)}
.msg-call.state-active .msg-call-icon::after{
  content:'';position:absolute;inset:-4px;border-radius:14px;
  box-shadow:0 0 0 0 rgba(46,182,125,.45);animation:callPulse 1.6s infinite;
}
.msg-call.state-active .msg-call-badge{background:rgba(46,182,125,.2);color:var(--success)}
.msg-call.state-active .msg-call-cta{background:var(--success);color:#fff}
@keyframes callPulse{
  0%{box-shadow:0 0 0 0 rgba(46,182,125,.45)}
  70%{box-shadow:0 0 0 12px rgba(46,182,125,0)}
  100%{box-shadow:0 0 0 0 rgba(46,182,125,0)}
}

/* Expired */
.msg-call.state-expired{background:rgba(255,255,255,.03);border-color:var(--border);cursor:default;opacity:.7}
.msg-call.state-expired:hover{background:rgba(255,255,255,.03)}
.msg-call.state-expired .msg-call-icon{background:var(--bg-input);color:var(--text-muted)}
.msg-call.state-expired .msg-call-badge{background:var(--bg-input);color:var(--text-muted)}
.msg-call.state-expired .msg-call-title{color:var(--text-secondary);text-decoration:line-through;text-decoration-color:var(--text-muted)}
.msg-call.state-expired .msg-call-cta{display:none}

/* ===== Active call bar (voice, embedded iframe) ===== */
.call-active-bar{
  padding:10px 18px;background:rgba(46,182,125,.08);border:1px solid rgba(46,182,125,.3);
  border-radius:10px;margin:0 18px 6px;flex-shrink:0;
  display:flex;flex-direction:column;gap:0;
}
.call-active-bar.hidden{display:none}
.call-active-inner{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-strong)}
.call-pulse{width:10px;height:10px;border-radius:50%;background:var(--success);animation:pulse 1.2s infinite;flex-shrink:0}
.call-timer{margin-left:auto;font-family:ui-monospace,monospace;font-size:12px;color:var(--text-secondary)}
@media(max-width:768px){.call-active-bar{margin:0 8px 6px}}

/* Voice Player */
.msg-voice{display:inline-flex;align-items:center;gap:10px;padding:8px 14px;background:var(--bg-elevated);border:1px solid var(--border);border-radius:20px;cursor:pointer;min-width:200px;margin-top:4px}
.msg-voice:hover{background:var(--bg-hover-strong)}
.msg-voice-btn{width:28px;height:28px;border-radius:50%;background:var(--accent);border:none;color:#fff;font-size:12px;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.msg-voice-wave{flex:1;height:24px;display:flex;align-items:center;gap:1px}
.msg-voice-wave span{width:3px;background:var(--accent);border-radius:2px;opacity:.6}
.msg-voice-dur{font-size:12px;color:var(--text-muted);flex-shrink:0}

/* Help */
.help-btn{background:transparent;border:1px solid var(--border-strong);color:var(--text-secondary);padding:8px 16px;border-radius:6px;cursor:pointer;font-size:13px;margin-top:8px;transition:all .15s;width:100%;font-weight:600}
.help-btn:hover{border-color:var(--accent);color:var(--accent)}

.voice-entry{display:flex;align-items:center;gap:12px;margin-top:14px;padding:12px 14px;border:1px solid var(--border-strong);border-radius:8px;text-decoration:none;color:var(--text-primary);background:linear-gradient(135deg,rgba(46,182,125,.08),rgba(29,155,209,.06));transition:all .18s;position:relative;overflow:hidden}
.voice-entry::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(46,182,125,.14),rgba(29,155,209,.1));opacity:0;transition:opacity .2s}
.voice-entry:hover{border-color:var(--success);transform:translateY(-1px);box-shadow:0 4px 14px rgba(46,182,125,.18)}
.voice-entry:hover::before{opacity:1}
.voice-entry > *{position:relative;z-index:1}
.voice-entry-icon{flex-shrink:0;width:36px;height:36px;border-radius:8px;background:var(--success);color:#fff;display:flex;align-items:center;justify-content:center}
.voice-entry-icon svg{width:18px;height:18px}
.voice-entry-text{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px}
.voice-entry-title{font-weight:700;font-size:14px;color:var(--text-strong)}
.voice-entry-sub{font-size:11px;color:var(--text-muted)}
.voice-entry-arrow{flex-shrink:0;color:var(--text-muted);transition:color .18s,transform .18s}
.voice-entry-arrow svg{width:16px;height:16px;display:block}
.voice-entry:hover .voice-entry-arrow{color:var(--success);transform:translate(2px,-2px)}
.help-card{width:520px;max-height:80vh;overflow-y:auto}
.help-content{font-size:14px;line-height:1.7;color:var(--text-secondary)}
.help-title{font-size:14px;font-weight:900;color:var(--accent);margin-bottom:8px;text-transform:uppercase;letter-spacing:.5px}
.help-step{display:flex;gap:12px;margin-bottom:14px;align-items:flex-start}
.help-num{width:24px;height:24px;border-radius:6px;background:var(--accent);color:#fff;font-size:12px;font-weight:900;display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-top:2px}
.help-step b{color:var(--text-strong)}
.help-step code{background:var(--bg-input);padding:1px 6px;border-radius:3px;font-size:13px;color:var(--accent);font-family:ui-monospace,monospace}
.help-item{padding:2px 0;color:var(--text-secondary)}
.help-divider{height:1px;background:var(--border);margin:14px 0}
.help-shortcut{display:flex;align-items:center;gap:8px;padding:5px 0;font-size:13px;color:var(--text-secondary)}
.help-shortcut>span{flex:1}
.help-shortcut kbd{
  background:var(--bg-input);border:1px solid var(--border-strong);border-bottom-width:2px;
  border-radius:4px;padding:2px 7px;font-size:11px;line-height:1.4;
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  color:var(--text-strong);display:inline-block;min-width:20px;text-align:center;
}

/* ===== Mobile ===== */
@media(max-width:768px){
  :root{--members-w:78vw}
  body{font-size:14px}

  .app,.app.members-closed{grid-template-columns:1fr!important}

  .members-panel{
    display:block;position:fixed;top:0;right:0;bottom:0;
    width:var(--members-w);max-width:300px;z-index:401;
    transform:translateX(100%);transition:transform .25s cubic-bezier(.4,0,.2,1);
    box-shadow:-2px 0 20px rgba(0,0,0,.6);
  }
  .app.mobile-members-open .members-panel{transform:translateX(0)}
  .app.members-closed .members-panel{width:var(--members-w);max-width:300px}

  .top-nav{padding:0 6px;height:48px;gap:6px}
  .brand{display:none}
  .room-tab{padding:6px 10px;font-size:13px}
  .user-name{max-width:80px;font-size:12px}
  .top-action-btn{padding:4px 8px;font-size:12px}

  .chat-sub-header{padding:8px 12px}
  .chat-sub-header .room-title{font-size:14px}
  .chat-sub-header .room-id{max-width:100px;font-size:10px;padding:2px 5px}
  .invite-icon-btn{font-size:11px;padding:3px 8px}

  .message{padding:4px 10px;gap:8px}
  .message .msg-avatar{width:32px;height:32px;font-size:18px}
  .message .msg-content{font-size:14px}
  .message .msg-content img{max-width:100%;max-height:220px}
  .messages-area{padding:10px 0}
  .message .msg-actions{display:flex;opacity:0;pointer-events:none;transition:opacity .15s;top:-10px;right:6px}
  .message.show-actions .msg-actions{opacity:1;pointer-events:auto}
  .msg-action-btn{padding:5px 8px;font-size:15px}

  .chat-input-wrap{padding:0 8px 8px}
  .input-action-btn{width:32px;height:30px;font-size:15px}
  .chat-input-area textarea{font-size:16px;padding:10px 12px 2px;min-height:42px}
  .emoji-picker{left:8px;right:8px;width:auto;max-width:none}
  .emoji-grid{grid-template-columns:repeat(7,1fr)}
  .emoji-item{width:100%;height:36px;font-size:22px}

  .slash-popup{left:8px;right:8px;max-height:260px}
  .reply-preview{margin:0 8px 6px}
  .upload-loading{left:8px;right:8px}
  .voice-recording{padding:10px;margin:0 8px 6px}
  .voice-recording-inner{flex-wrap:wrap;justify-content:center;gap:8px}

  .modal-card{width:100%;max-width:420px;padding:22px 18px;border-radius:10px}
  .avatar-grid{grid-template-columns:repeat(4,1fr);gap:8px}
  .avatar-option{font-size:28px;border-radius:10px}
  .help-card{max-height:85vh}
  .form-group input[type="text"],.form-group input[type="password"]{font-size:16px;padding:11px 14px}

  .lobby-card{padding:22px 18px;border-radius:10px;max-height:92vh;overflow-y:auto}
  .lobby-card h1{font-size:22px}
  .lobby-avatar{width:64px;height:64px;font-size:32px}

  .panel-header{padding:14px}
  .member-item{padding:8px 10px}

  .toast-container{top:10px;left:10px;right:10px;align-items:center}
  .toast{max-width:none;width:100%}
}

@media(max-width:380px){
  .room-tab{padding:5px 8px;font-size:12px}
  .user-name{max-width:60px}
  .message{padding:4px 8px}
  .message .msg-avatar{width:30px;height:30px;font-size:16px}
  .emoji-grid{grid-template-columns:repeat(6,1fr)}
}

/* ===== Light theme — per-component touch-ups ===== */
:root[data-theme="light"] body{-webkit-font-smoothing:auto}
:root[data-theme="light"] .image-modal{background:rgba(20,12,10,.88)}
:root[data-theme="light"] .modal-overlay{background:rgba(40,20,15,.32)}
:root[data-theme="light"] .md-inline{background:rgba(18,100,163,.08);border-color:rgba(18,100,163,.22);color:#0B4C8C}
:root[data-theme="light"] .md-quote{background:rgba(18,100,163,.04)}
:root[data-theme="light"] .toggle-slider::before{background:#FFFFFF;box-shadow:0 1px 2px rgba(0,0,0,.18)}
:root[data-theme="light"] .pending-item{background:rgba(177,125,3,.08)}
:root[data-theme="light"] .member-item .member-role{background:rgba(177,125,3,.14);color:var(--warning)}
:root[data-theme="light"] .voice-entry{background:linear-gradient(135deg,rgba(27,114,77,.06),rgba(18,100,163,.05))}
:root[data-theme="light"] .voice-entry::before{background:linear-gradient(135deg,rgba(27,114,77,.12),rgba(18,100,163,.09))}
:root[data-theme="light"] .btn-primary{box-shadow:0 2px 8px rgba(27,114,77,.18), inset 0 1px 0 rgba(255,255,255,.28)}
:root[data-theme="light"] .btn-primary:hover{box-shadow:0 4px 14px rgba(27,114,77,.28), inset 0 1px 0 rgba(255,255,255,.32)}
:root[data-theme="light"] .send-btn.active{box-shadow:0 2px 8px rgba(27,114,77,.25), inset 0 1px 0 rgba(255,255,255,.22)}
:root[data-theme="light"] .send-btn.active:hover{box-shadow:0 4px 12px rgba(27,114,77,.35), inset 0 1px 0 rgba(255,255,255,.26)}
:root[data-theme="light"] .chat-input-area:focus-within{box-shadow:0 0 0 4px rgba(18,100,163,.1), 0 6px 18px rgba(18,100,163,.08)}
:root[data-theme="light"] ::selection{background:rgba(18,100,163,.25)}
:root[data-theme="light"] .form-group input::selection{background:rgba(18,100,163,.25)}
:root[data-theme="light"] .top-nav{box-shadow:0 1px 0 var(--border-strong), 0 2px 10px rgba(90,50,35,.05)}
:root[data-theme="light"] .chat-sub-header{background:linear-gradient(180deg,rgba(255,255,255,.45) 0%, rgba(255,255,255,0) 100%)}

/* Lobby — discreet "Advanced settings" link beneath one-click Create.
   Plain text link styling so it doesn't compete with the primary button. */
.lobby-advanced-link{
  display:block;width:100%;text-align:center;
  background:transparent;border:none;color:var(--text-muted);
  font:inherit;font-size:12.5px;font-weight:500;
  padding:8px 4px 0;margin-top:2px;cursor:pointer;
  transition:color .15s;
}
.lobby-advanced-link:hover{color:var(--accent);text-decoration:underline}
.lobby-advanced-link:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}

/* ===== Theme toggle controls ===== */
.theme-toggle-lobby{
  display:flex;align-items:center;justify-content:center;gap:6px;
  background:transparent;border:1px solid var(--border-strong);
  color:var(--text-secondary);padding:8px 16px;border-radius:6px;
  cursor:pointer;font-size:13px;font-weight:600;margin-top:8px;width:100%;
  transition:all .15s;font-family:inherit;
}
.theme-toggle-lobby:hover{border-color:var(--accent);color:var(--accent)}
.theme-toggle-lobby .theme-icon{font-size:14px;line-height:1}
.user-menu-item .theme-icon{font-size:13px;margin-right:2px}

/* Top-nav theme button — icon-only pill */
.top-theme-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:30px;height:30px;border-radius:6px;
  background:transparent;border:none;cursor:pointer;
  color:var(--text-secondary);font-size:14px;line-height:1;
  transition:all .15s;
}
.top-theme-btn:hover{background:var(--bg-hover-strong);color:var(--text-strong);transform:rotate(12deg)}
.top-theme-btn:active{transform:scale(.92)}