*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg:       #07070f;
  --s1:       #0d0d1c;
  --s2:       #12122a;
  --s3:       #181830;
  --s4:       #1f1f3a;
  --border:   rgba(255,255,255,.055);
  --border2:  rgba(124,90,252,.14);
  --accent:   #7c5afc;
  --accent-h: #9478ff;
  --glow:     rgba(124,90,252,.22);
  --grad:     linear-gradient(135deg,#7c5afc 0%,#b47aff 100%);
  --t1:       #eeeef2;
  --t2:       #8888a8;
  --t3:       #44445a;
  --green:    #3dd68c;
  --red:      #f87171;
  --radius:   10px;
  --radius-lg:16px;
  --tr:       .18s cubic-bezier(.4,0,.2,1);
  --font:     -apple-system,BlinkMacSystemFont,'Segoe UI',system-ui,sans-serif;
}
html,body{height:100%;font-family:var(--font);background:var(--bg);color:var(--t1);overflow:hidden;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
#app{height:100%;position:relative}
::selection{background:rgba(124,90,252,.28)}
input,button,textarea{font-family:var(--font)}
svg{flex-shrink:0}

/* ── Screens ── */
.screen{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;opacity:0;pointer-events:none;transition:opacity .25s,transform .25s;transform:translateY(6px)}
.screen.active{opacity:1;pointer-events:auto;transform:translateY(0)}

/* ══════════════════════════
   AUTH
══════════════════════════ */
#screen-auth{background:var(--bg)}
#screen-auth::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 60% 50% at 50% 0%,rgba(124,90,252,.06) 0%,transparent 70%);pointer-events:none}

.auth-wrap{width:100%;max-width:360px;padding:0 20px}

.auth-icon{width:52px;height:52px;margin:0 auto 28px;border-radius:14px;background:var(--grad);display:flex;align-items:center;justify-content:center;color:#fff;box-shadow:0 12px 40px var(--glow)}

.tabs{display:flex;gap:3px;padding:4px;background:var(--s2);border-radius:var(--radius);border:1px solid var(--border);margin-bottom:20px}
.tab{flex:1;padding:9px 12px;border:none;background:none;color:var(--t3);font-size:13.5px;font-weight:500;cursor:pointer;border-radius:7px;transition:all var(--tr)}
.tab.active{background:var(--s3);color:var(--t1);box-shadow:0 1px 3px rgba(0,0,0,.3)}
.tab-content{display:none}.tab-content.active{display:flex;flex-direction:column;gap:10px}

.field input{width:100%;padding:12px 14px;background:var(--s2);border:1px solid var(--border);border-radius:var(--radius);color:var(--t1);font-size:14px;outline:none;transition:border-color var(--tr),box-shadow var(--tr),background var(--tr)}
.field input:focus{border-color:rgba(124,90,252,.5);box-shadow:0 0 0 3px rgba(124,90,252,.1);background:var(--s3)}
.field input::placeholder{color:var(--t3)}
.field-error{color:var(--red);font-size:12.5px;min-height:16px;text-align:center;margin-top:2px}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 20px;border:none;border-radius:var(--radius);font-size:14px;font-weight:600;cursor:pointer;transition:all var(--tr);user-select:none;letter-spacing:.01em}
.btn-primary{width:100%;background:var(--grad);color:#fff;box-shadow:0 4px 20px var(--glow);margin-top:4px}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 8px 28px var(--glow)}
.btn-primary:active{transform:translateY(0);box-shadow:0 2px 10px var(--glow)}
.btn-primary:disabled{opacity:.35;cursor:not-allowed;transform:none;box-shadow:none}
.btn-ghost{background:none;color:var(--t2);border:1px solid var(--border)}
.btn-ghost:hover{background:var(--s2);color:var(--t1)}
.btn-danger{background:rgba(248,113,113,.12);color:var(--red);border:1px solid rgba(248,113,113,.2)}
.btn-danger:hover{background:rgba(248,113,113,.2)}
.btn-icon-sm{width:34px;height:34px;display:flex;align-items:center;justify-content:center;border:none;background:none;color:var(--t2);border-radius:8px;cursor:pointer;transition:all var(--tr);flex-shrink:0}
.btn-icon-sm:hover{background:var(--s4);color:var(--t1)}
.btn-icon-sm:active{background:var(--s3)}

/* ══════════════════════════
   MESSENGER LAYOUT
══════════════════════════ */
#screen-messenger{align-items:stretch;justify-content:stretch}
.messenger{display:flex;height:100%;width:100%;overflow:hidden}

/* ── Sidebar ── */
.sidebar{width:300px;flex-shrink:0;display:flex;flex-direction:column;background:var(--s1);border-right:1px solid var(--border);position:relative}
.sidebar-header{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid var(--border);flex-shrink:0}
.sidebar-brand{font-size:16px;font-weight:700;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;letter-spacing:-.2px}
.sidebar-actions{display:flex;gap:1px}

/* Settings panel */
.settings-panel{background:var(--s2);border-bottom:1px solid var(--border);padding:12px 16px;display:flex;flex-direction:column;gap:8px}
.settings-id-row{display:flex;align-items:center;gap:8px;padding:8px 10px;background:var(--s3);border-radius:8px;border:1px solid var(--border)}
.settings-id-label{font-size:10px;color:var(--t3);text-transform:uppercase;letter-spacing:.7px;flex-shrink:0}
.settings-id-value{font-size:10.5px;color:rgba(124,90,252,.9);font-family:'SF Mono',ui-monospace,monospace;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:1;min-width:0}
.btn-copy-sm{width:24px;height:24px;display:flex;align-items:center;justify-content:center;border:none;background:var(--s4);color:var(--t3);border-radius:6px;cursor:pointer;transition:all var(--tr);flex-shrink:0}
.btn-copy-sm:hover{background:var(--accent);color:#fff}
.settings-actions{display:flex;flex-direction:column;gap:2px}
.settings-btn{display:flex;align-items:center;gap:9px;padding:9px 10px;border:none;background:none;color:var(--t2);font-size:13px;font-weight:500;cursor:pointer;border-radius:8px;transition:all var(--tr);text-align:left;width:100%}
.settings-btn:hover{background:var(--s3);color:var(--t1)}
.settings-btn-danger{color:rgba(248,113,113,.7)}
.settings-btn-danger:hover{background:rgba(248,113,113,.08);color:var(--red)}

/* Requests */
.requests-section{border-bottom:1px solid var(--border);flex-shrink:0}
.section-label{display:flex;align-items:center;gap:8px;padding:8px 16px;font-size:11px;color:var(--t3);text-transform:uppercase;letter-spacing:.6px}
.req-badge{background:var(--accent);color:#fff;font-size:10px;font-weight:700;padding:1px 6px;border-radius:99px;line-height:1.4}
.request-item{display:flex;align-items:center;gap:10px;padding:8px 16px}
.request-avatar{width:32px;height:32px;border-radius:50%;background:var(--s3);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:600;color:rgba(124,90,252,.9);text-transform:uppercase;flex-shrink:0}
.request-name{flex:1;font-size:13.5px;font-weight:500;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.request-actions{display:flex;gap:4px}
.btn-accept,.btn-reject{width:28px;height:28px;display:flex;align-items:center;justify-content:center;border:none;border-radius:7px;cursor:pointer;transition:all var(--tr);font-size:14px;font-weight:700}
.btn-accept{background:rgba(61,214,140,.12);color:var(--green)}.btn-accept:hover{background:rgba(61,214,140,.22)}
.btn-reject{background:rgba(248,113,113,.1);color:var(--red)}.btn-reject:hover{background:rgba(248,113,113,.2)}

/* Conversations list */
.conv-list{flex:1;overflow-y:auto;scrollbar-width:thin;scrollbar-color:var(--s4) transparent}
.conv-list::-webkit-scrollbar{width:3px}.conv-list::-webkit-scrollbar-thumb{background:var(--s4);border-radius:4px}
.empty-list{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100px;gap:6px;color:var(--t3);font-size:13px}
.conv-item{display:flex;align-items:center;gap:11px;padding:11px 16px;cursor:pointer;transition:background var(--tr);position:relative;user-select:none}
.conv-item:hover{background:var(--s2)}.conv-item.active{background:var(--s3)}
.conv-avatar{width:42px;height:42px;border-radius:50%;background:linear-gradient(135deg,var(--s3),var(--s4));display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;color:rgba(180,150,255,.85);flex-shrink:0;text-transform:uppercase;border:1px solid var(--border)}
.conv-avatar-group{border-radius:12px;background:linear-gradient(135deg,rgba(124,90,252,.15),rgba(124,90,252,.05))}
.conv-info{flex:1;min-width:0}
.conv-name{font-size:14px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--t1)}
.conv-preview{font-size:12px;color:var(--t3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:2px}
.conv-meta{display:flex;flex-direction:column;align-items:flex-end;gap:5px;flex-shrink:0}
.conv-time{font-size:11px;color:var(--t3)}
.unread-badge{min-width:18px;height:18px;padding:0 5px;border-radius:99px;background:var(--accent);color:#fff;font-size:10px;font-weight:700;display:flex;align-items:center;justify-content:center}
.online-dot{position:absolute;left:46px;bottom:10px;width:10px;height:10px;border-radius:50%;background:var(--green);border:2px solid var(--s1);box-shadow:0 0 6px rgba(61,214,140,.5)}

/* ── Chat area ── */
.chat-area{flex:1;display:flex;flex-direction:column;background:var(--bg);min-width:0;position:relative}
.chat-empty{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;color:var(--t3)}
.chat-empty-icon{width:64px;height:64px;border-radius:50%;background:var(--s2);display:flex;align-items:center;justify-content:center;margin-bottom:4px;opacity:.5}
.chat-empty p{font-size:14px}
.chat-active{display:flex;flex-direction:column;height:100%}

/* Header */
.chat-header{display:flex;align-items:center;gap:10px;padding:10px 14px;background:rgba(7,7,15,.9);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--border);flex-shrink:0;z-index:10}
.back-btn{display:none}
.chat-header-info{flex:1;min-width:0}
.chat-header-info h3{font-size:15px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;line-height:1.3}
.status-text{font-size:11.5px;color:var(--t3);display:block;line-height:1.3}
.status-text.online{color:var(--green)}
.chat-header-actions{display:flex;gap:1px}

/* Messages */
.messages-area{flex:1;overflow-y:auto;padding:16px 18px;display:flex;flex-direction:column;gap:6px;scrollbar-width:thin;scrollbar-color:var(--s3) transparent}
.messages-area::-webkit-scrollbar{width:3px}.messages-area::-webkit-scrollbar-thumb{background:var(--s3);border-radius:4px}

.msg{max-width:68%;padding:9px 13px;font-size:14px;line-height:1.55;animation:msgIn .18s ease;word-break:break-word;overflow-wrap:break-word;transition:transform .15s ease;touch-action:pan-y;position:relative}
@keyframes msgIn{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:none}}

/* Own messages — right, tail bottom-right */
.msg-own{
  align-self:flex-end;
  background:linear-gradient(135deg,rgba(124,90,252,.18) 0%,rgba(124,90,252,.11) 100%);
  border:1px solid rgba(124,90,252,.2);
  border-radius:16px 16px 4px 16px;
  color:var(--t1);
}
/* Other messages — left, tail bottom-left */
.msg-other{
  align-self:flex-start;
  background:var(--s2);
  border:1px solid var(--border);
  border-radius:16px 16px 16px 4px;
  color:var(--t1);
}
/* Message chain classes — consecutive from same sender */
.msg-own.chain-mid  {border-radius:16px 4px 4px 16px;margin-top:2px}
.msg-own.chain-last {border-radius:16px 4px 16px 16px;margin-top:2px}
.msg-other.chain-mid  {border-radius:4px 16px 16px 4px;margin-top:2px}
.msg-other.chain-last {border-radius:4px 16px 16px 16px;margin-top:2px}

.msg-system{align-self:center;font-size:11.5px;color:var(--t3);padding:4px 12px;background:var(--s2);border-radius:99px;border:1px solid var(--border);margin:4px 0}

.msg-sender{font-size:11.5px;font-weight:600;color:rgba(180,150,255,.8);margin-bottom:3px}

.msg-text{white-space:pre-wrap}
.msg-time{font-size:10.5px;color:var(--t3);margin-top:4px;text-align:right;opacity:.7}
.msg-own .msg-time{color:rgba(196,181,253,.5)}

.msg-image{max-width:280px;max-height:320px;border-radius:10px;display:block;cursor:pointer;object-fit:cover;transition:opacity var(--tr)}
.msg-image:hover{opacity:.88}

/* Reply quote */
.msg-reply-quote{padding:5px 10px;margin-bottom:6px;border-left:2px solid var(--accent);background:rgba(124,90,252,.07);border-radius:0 8px 8px 0;cursor:pointer;font-size:12.5px}
.rq-sender{font-weight:600;color:rgba(180,150,255,.8);display:block;margin-bottom:2px;font-size:12px}
.rq-text{color:var(--t2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* Links */
.msg-link{color:rgba(180,150,255,.9);text-decoration:underline;text-decoration-color:rgba(180,150,255,.3);text-underline-offset:2px;word-break:break-all;transition:color var(--tr),text-decoration-color var(--tr)}
.msg-link:hover{color:#c4b5fd;text-decoration-color:rgba(196,181,253,.6)}

/* Typing */
.typing-indicator{display:flex;align-items:center;gap:8px;padding:8px 18px;flex-shrink:0;font-size:12.5px;color:var(--t3)}
.typing-indicator.hidden{display:none}
.typing-dots{display:flex;gap:4px;align-items:center}
.typing-dots span{width:6px;height:6px;border-radius:50%;background:var(--t3);animation:bounce .9s ease infinite}
.typing-dots span:nth-child(2){animation-delay:.18s}
.typing-dots span:nth-child(3){animation-delay:.36s}
@keyframes bounce{0%,80%,100%{transform:translateY(0)}40%{transform:translateY(-5px)}}

/* Reply bar */
.reply-bar{display:flex;align-items:center;gap:10px;padding:8px 14px;background:var(--s1);border-top:1px solid var(--border2);flex-shrink:0}
.reply-bar.hidden{display:none}
.reply-bar-accent{width:3px;height:36px;background:var(--accent);border-radius:3px;flex-shrink:0}
.reply-preview{flex:1;min-width:0}
.reply-sender{font-size:12px;font-weight:600;color:rgba(180,150,255,.9);display:block}
.reply-text{font-size:12px;color:var(--t2);display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* Footer */
.chat-footer{padding:10px 12px 12px;background:var(--s1);border-top:1px solid var(--border);flex-shrink:0}
.footer-row{display:flex;align-items:flex-end;gap:8px}
.footer-row.hidden{display:none}
.btn-attach{width:38px;height:38px;display:flex;align-items:center;justify-content:center;border:none;background:var(--s3);color:var(--t2);border-radius:11px;cursor:pointer;transition:all var(--tr);flex-shrink:0}
.btn-attach:hover{background:var(--s4);color:var(--t1)}
.btn-mic-active{background:rgba(248,113,113,.15)!important;color:var(--red)!important}
.input-wrap{flex:1;background:var(--s2);border:1px solid var(--border);border-radius:14px;transition:border-color var(--tr),box-shadow var(--tr)}
.input-wrap:focus-within{border-color:rgba(124,90,252,.4);box-shadow:0 0 0 3px rgba(124,90,252,.08)}
#input-message{display:block;width:100%;padding:11px 14px;background:none;border:none;color:var(--t1);font-size:15px;outline:none;resize:none;overflow-y:auto;line-height:1.45;min-height:42px;max-height:130px;box-sizing:border-box;font-family:inherit}
#input-message::placeholder{color:var(--t3)}
.btn-send{width:38px;height:38px;display:flex;align-items:center;justify-content:center;border:none;background:var(--grad);color:#fff;border-radius:11px;cursor:pointer;transition:all var(--tr);flex-shrink:0;box-shadow:0 2px 12px var(--glow)}
.btn-send:hover{transform:scale(1.06);box-shadow:0 4px 16px var(--glow)}
.btn-send:active{transform:scale(.96)}
.btn-send:disabled{opacity:.25;cursor:not-allowed;transform:none;box-shadow:none;background:var(--s3)}

/* Recording row */
.footer-recording{align-items:center;padding:4px 0}
.rec-pulse{width:10px;height:10px;border-radius:50%;background:var(--red);flex-shrink:0;animation:recPulse 1s ease infinite}
@keyframes recPulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(1.3)}}
.rec-label{font-size:13px;color:var(--red);font-weight:500}
.rec-timer{font-size:13px;color:var(--t2);font-variant-numeric:tabular-nums;min-width:32px}

/* Voice message bubble */
.voice-msg{display:flex;align-items:center;gap:10px;min-width:190px;max-width:260px;padding:2px 0}
.voice-play{width:36px;height:36px;border-radius:50%;border:none;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;flex-shrink:0;transition:all var(--tr);box-shadow:0 2px 10px var(--glow)}
.voice-play:hover{transform:scale(1.1);box-shadow:0 4px 16px var(--glow)}
.voice-play:active{transform:scale(.95)}
.msg-own .voice-play{background:rgba(255,255,255,.22);box-shadow:none}
.msg-own .voice-play:hover{background:rgba(255,255,255,.32)}
.voice-progress{flex:1;display:flex;flex-direction:column;gap:6px}
.voice-track{position:relative;height:4px;background:rgba(255,255,255,.1);border-radius:4px;cursor:pointer}
.msg-own .voice-track{background:rgba(255,255,255,.18)}
.voice-fill{position:absolute;left:0;top:0;height:100%;background:linear-gradient(90deg,var(--accent),var(--accent-h));border-radius:4px;width:0%;pointer-events:none}
.msg-own .voice-fill{background:linear-gradient(90deg,rgba(255,255,255,.6),rgba(255,255,255,.9))}
.voice-dot{position:absolute;top:50%;width:12px;height:12px;border-radius:50%;background:var(--accent);border:2px solid #fff;transform:translate(-50%,-50%);left:0%;pointer-events:none;transition:left .05s linear;box-shadow:0 1px 4px rgba(0,0,0,.4)}
.msg-own .voice-dot{background:#fff;border-color:rgba(255,255,255,.3);box-shadow:none}
.voice-dur{font-size:11px;color:var(--t3);font-variant-numeric:tabular-nums;line-height:1}
.msg-own .voice-dur{color:rgba(255,255,255,.45)}

/* File attachment bubble */
.file-attach{display:flex;align-items:center;gap:10px;min-width:180px;max-width:260px;padding:2px 0}
.file-icon-box{width:38px;height:38px;border-radius:10px;background:rgba(255,255,255,.07);display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0}
.msg-own .file-icon-box{background:rgba(255,255,255,.12)}
.file-info{flex:1;min-width:0}
.file-name{font-size:13px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--t1)}
.file-size{font-size:11px;color:var(--t3);margin-top:2px}
.msg-own .file-size{color:rgba(255,255,255,.4)}
.file-dl{width:30px;height:30px;border-radius:8px;border:none;background:rgba(255,255,255,.08);color:var(--t2);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all var(--tr);flex-shrink:0}
.file-dl:hover{background:var(--accent);color:#fff;transform:scale(1.05)}
.msg-own .file-dl{background:rgba(255,255,255,.14);color:rgba(255,255,255,.7)}
.msg-own .file-dl:hover{background:rgba(255,255,255,.28);color:#fff}

/* ══════════════════════════
   MODALS
══════════════════════════ */
.modal-overlay{position:fixed;inset:0;background:rgba(4,4,10,.75);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:100;padding:20px;animation:fadeIn .15s ease}
.modal-overlay.hidden{display:none}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.modal{background:var(--s2);border:1px solid var(--border2);border-radius:var(--radius-lg);padding:20px;width:100%;max-width:380px;animation:slideUp .15s ease;box-shadow:0 24px 60px rgba(0,0,0,.5)}
@keyframes slideUp{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.modal-sm{max-width:300px}
.modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.modal-header h3{font-size:16px;font-weight:600}
.modal-desc{font-size:13px;color:var(--t2);margin-bottom:12px}
.modal .field{margin-bottom:10px}
.confirm-text{font-size:14px;color:var(--t2);line-height:1.5;margin-bottom:18px;text-align:center;padding-top:4px}
.modal-actions{display:flex;gap:8px;justify-content:flex-end}
.modal-actions .btn{min-width:80px}

/* Member checkboxes */
.member-checks{display:flex;flex-direction:column;gap:3px;max-height:220px;overflow-y:auto;margin-bottom:12px;scrollbar-width:thin;scrollbar-color:var(--s3) transparent}
.member-check{display:flex;align-items:center;gap:10px;padding:9px 11px;border-radius:8px;cursor:pointer;transition:background var(--tr)}
.member-check:hover{background:var(--s3)}
.member-check input[type=checkbox]{width:16px;height:16px;accent-color:var(--accent);cursor:pointer}
.member-check span{font-size:13.5px;font-weight:500}

/* Members list */
.members-list{display:flex;flex-direction:column;gap:3px;max-height:300px;overflow-y:auto;scrollbar-width:thin;scrollbar-color:var(--s3) transparent}
.member-row{display:flex;align-items:center;gap:10px;padding:9px 4px;border-radius:8px;transition:background var(--tr)}
.member-row:hover{background:var(--s3)}
.member-av{width:32px;height:32px;border-radius:50%;background:var(--s4);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;color:rgba(180,150,255,.8);text-transform:uppercase;flex-shrink:0}
.member-name{flex:1;font-size:13.5px;font-weight:500}
.member-role{font-size:11px;color:rgba(124,90,252,.8);background:rgba(124,90,252,.1);padding:2px 8px;border-radius:99px;border:1px solid rgba(124,90,252,.2)}
.btn-kick{width:28px;height:28px;display:flex;align-items:center;justify-content:center;border:none;background:rgba(248,113,113,.1);color:var(--red);border-radius:7px;cursor:pointer;transition:all var(--tr);font-size:12px;font-weight:700}
.btn-kick:hover{background:rgba(248,113,113,.22)}

/* Lightbox */
.lightbox{position:fixed;inset:0;background:rgba(0,0,0,.92);display:flex;align-items:center;justify-content:center;z-index:200;cursor:zoom-out;animation:fadeIn .15s ease}
.lightbox.hidden{display:none}
.lightbox img{max-width:94vw;max-height:94vh;border-radius:var(--radius);object-fit:contain;box-shadow:0 0 60px rgba(0,0,0,.8)}

/* Toast */
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(10px);background:var(--s3);border:1px solid var(--border2);color:var(--t1);padding:10px 18px;border-radius:var(--radius);font-size:13px;font-weight:500;z-index:300;opacity:0;transition:all .25s;pointer-events:none;white-space:nowrap;box-shadow:0 8px 24px rgba(0,0,0,.4)}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.toast.error{border-color:rgba(248,113,113,.3);color:var(--red)}
.toast.success{border-color:rgba(61,214,140,.25);color:var(--green)}

/* ══════════════════════════
   RESPONSIVE (mobile)
══════════════════════════ */
@media(max-width:640px){
  .sidebar{width:100%;position:absolute;inset:0;z-index:10;transform:none;transition:transform .22s cubic-bezier(.4,0,.2,1)}
  .chat-area{position:absolute;inset:0;transform:translateX(100%);transition:transform .22s cubic-bezier(.4,0,.2,1)}
  .messenger.chat-open .sidebar{transform:translateX(-100%)}
  .messenger.chat-open .chat-area{transform:translateX(0)}
  .back-btn{display:flex!important}
  .msg{max-width:85%}
  /* Bigger touch targets on mobile */
  .btn-send{width:42px;height:42px;border-radius:13px}
  .btn-attach{width:40px;height:40px}
  #input-message{font-size:16px;padding:10px 14px} /* 16px prevents iOS zoom */
  .chat-footer{padding:8px 10px 12px}
}