/* ═══════════════════════════════════════════════════════
   RESET & BASE
═══════════════════════════════════════════════════════ */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg-main:#0b141a;
  --bg-panel:#111b21;
  --bg-bubble-sent:#005c4b;
  --bg-bubble-recv:#1f2c33;
  --bg-input:#1f2c33;
  --bg-hover:#2a3942;
  --bg-overlay:rgba(0,0,0,.85);
  --accent:#00a884;
  --accent-dark:#008f72;
  --text-primary:#e9edef;
  --text-secondary:#8696a0;
  --text-timestamp:#8696a0;
  --border:#222d34;
  --shadow:0 1px 3px rgba(0,0,0,.4);
  --radius-bubble:8px;
  --radius-card:12px;
  --font:'Inter',system-ui,sans-serif;
  --header-h:60px;
  --input-h:70px;
  --transition:200ms ease;
}
html, body {
  height: 100%;
  height: 100dvh;
  width: 100%;
  margin: 0;
  padding: 0;
  overflow: hidden;
  font-family: var(--font);
  background: var(--bg-main);
  color: var(--text-primary);
  -webkit-font-smoothing: antialiased;
}

/* ═══════════════════════════════════════════════════════
   LOGIN PAGE
═══════════════════════════════════════════════════════ */
#login-page{
  display:flex;
  align-items:center;
  justify-content:center;
  /* Mobile-safe viewport height */
  height:100vh;
  height:100dvh;
  background:var(--bg-main);
  background-image:
    radial-gradient(ellipse 80% 60% at 50% 0%,rgba(0,168,132,.12) 0%,transparent 70%);
  /* Safe area for notch/gesture bar */
  padding-bottom:env(safe-area-inset-bottom, 0px);
}
.login-card{
  width:min(380px,90vw);
  background:var(--bg-panel);
  border:1px solid var(--border);
  border-radius:20px;
  padding:40px 36px 36px;
  text-align:center;
  box-shadow:0 24px 60px rgba(0,0,0,.6);
  animation:slideUp .4s ease;
}
@keyframes slideUp{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}
.login-logo{
  width:72px;height:72px;
  background:linear-gradient(135deg,var(--accent),#128c7e);
  border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  margin:0 auto 20px;
  box-shadow:0 8px 32px rgba(0,168,132,.35);
}
.login-logo svg{width:38px;height:38px;fill:#fff}
.login-card h1{font-size:1.4rem;font-weight:600;color:var(--text-primary);margin-bottom:6px}
.login-card p{font-size:.875rem;color:var(--text-secondary);margin-bottom:28px}
.login-field{
  position:relative;
  margin-bottom:16px;
}
.login-field input{
  width:100%;
  background:var(--bg-input);
  border:1.5px solid var(--border);
  border-radius:10px;
  padding:14px 44px 14px 16px;
  color:var(--text-primary);
  font-size:.9375rem;
  font-family:var(--font);
  outline:none;
  transition:border-color var(--transition);
}
.login-field input:focus{border-color:var(--accent)}
.toggle-pw{
  position:absolute;right:14px;top:50%;transform:translateY(-50%);
  background:none;border:none;cursor:pointer;color:var(--text-secondary);
  padding:4px;transition:color var(--transition);
}
.toggle-pw:hover{color:var(--text-primary)}
.login-btn{
  width:100%;
  background:linear-gradient(135deg,var(--accent),#128c7e);
  color:#fff;
  border:none;
  border-radius:10px;
  padding:14px;
  font-size:.9375rem;
  font-weight:600;
  font-family:var(--font);
  cursor:pointer;
  transition:opacity var(--transition),transform var(--transition);
  margin-top:4px;
}
.login-btn:hover{opacity:.9;transform:translateY(-1px)}
.login-btn:active{transform:translateY(0)}
.login-error{
  background:rgba(220,53,69,.15);
  border:1px solid rgba(220,53,69,.3);
  color:#ff6b6b;
  border-radius:8px;
  padding:10px 14px;
  font-size:.85rem;
  margin-top:12px;
  display:none;
}
.login-btn.loading{opacity:.7;pointer-events:none}

/* ═══════════════════════════════════════════════════════
   CHAT LAYOUT
═══════════════════════════════════════════════════════ */
#chat-app{
  display:flex;
  flex-direction:column;
  /* Mobile-safe viewport: dvh memperhitungkan address bar Android */
  height:100vh;
  height:100dvh;
  /* iOS Safari fallback */
  height:-webkit-fill-available;
  position:relative;
  overflow:hidden;
}

/* WA background pattern */
#chat-app::before{
  content:'';
  position:fixed;inset:0;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100' height='100'%3E%3Cpath fill='none' stroke='rgba(255,255,255,0.018)' stroke-width='1' d='M50 0C22.4 0 0 22.4 0 50s22.4 50 50 50 50-22.4 50-50S77.6 0 50 0zm0 6c24.3 0 44 19.7 44 44S74.3 94 50 94 6 74.3 6 50 25.7 6 50 6z'/%3E%3C/svg%3E");
  background-color:var(--bg-main);
  opacity:1;
  z-index:0;
  pointer-events:none;
}

/* ── Header ── */
#chat-header{
  position:relative;z-index:10;
  height:var(--header-h);
  background:var(--bg-panel);
  border-bottom:1px solid var(--border);
  display:flex;
  align-items:center;
  padding:0 16px;
  gap:12px;
  flex-shrink:0;
}
.header-avatar{
  width:40px;height:40px;border-radius:50%;
  background:linear-gradient(135deg,var(--accent),#128c7e);
  display:flex;align-items:center;justify-content:center;
  font-size:1.1rem;font-weight:700;color:#fff;
  flex-shrink:0;
  box-shadow:0 2px 8px rgba(0,168,132,.3);
}
.header-info{flex:1;min-width:0}
.header-info .name{
  font-weight:600;font-size:.9375rem;
  color:var(--text-primary);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.header-info .status{
  font-size:.78rem;color:var(--accent);
  display:flex;align-items:center;gap:4px;
}
.status-dot{width:6px;height:6px;border-radius:50%;background:var(--accent);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}
.header-actions{display:flex;gap:4px}
.header-btn{
  width:38px;height:38px;border-radius:50%;
  background:none;border:none;cursor:pointer;
  color:var(--text-secondary);
  display:flex;align-items:center;justify-content:center;
  transition:background var(--transition),color var(--transition);
}
.header-btn:hover{background:var(--bg-hover);color:var(--text-primary)}
.header-btn svg{width:20px;height:20px}
/* Connection indicator */
#conn-indicator{
  width:8px;height:8px;border-radius:50%;
  background:#ff6b6b;
  flex-shrink:0;
  transition:background var(--transition);
}
#conn-indicator.connected{background:var(--accent)}

/* ── Messages area ── */
#messages-area{
  flex:1;overflow-y:auto;
  padding:16px 16px 12px;
  position:relative;z-index:1;
  scroll-behavior:smooth;
  /* Momentum scroll iOS & smooth Android */
  -webkit-overflow-scrolling:touch;
  overscroll-behavior-y:contain;
}
#messages-area::-webkit-scrollbar{width:5px}
#messages-area::-webkit-scrollbar-track{background:transparent}
#messages-area::-webkit-scrollbar-thumb{background:rgba(255,255,255,.1);border-radius:99px}

/* ── Date separator ── */
.date-sep{
  display:flex;align-items:center;justify-content:center;
  margin:12px 0;
}
.date-sep span{
  background:var(--bg-panel);
  border:1px solid var(--border);
  border-radius:6px;
  padding:4px 10px;
  font-size:.75rem;
  color:var(--text-secondary);
}

/* ── Bubble wrapper ── */
.bubble-wrap{
  display:flex;
  justify-content:flex-end;  /* default: sent */
  margin-bottom:3px;
  animation:fadeInUp .2s ease;
}
.bubble-wrap.received{justify-content:flex-start}
@keyframes fadeInUp{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}

/* ── Bubble ── */
.bubble{
  max-width:min(480px,80vw);
  background:var(--bg-bubble-sent);
  border-radius:8px 0px 8px 8px;
  padding:7px 10px 22px;
  position:relative;
  box-shadow:var(--shadow);
}
.bubble-wrap.received .bubble{
  background:var(--bg-bubble-recv);
  border-radius:0px 8px 8px 8px;
}

/* Bubble tail */
.bubble::before{
  content:'';
  position:absolute;
  top:0;right:-8px;
  border:8px solid transparent;
  border-top:8px solid var(--bg-bubble-sent);
  border-right:none;
}
.bubble-wrap.received .bubble::before{
  right:auto;left:-8px;
  border:8px solid transparent;
  border-top:8px solid var(--bg-bubble-recv);
  border-left:none;
}

/* text content */
.bubble-text{
  font-size:.9375rem;line-height:1.45;
  color:var(--text-primary);
  word-break:break-word;
  white-space:pre-wrap;
}

/* timestamp + checkmark */
.bubble-meta{
  position:absolute;bottom:5px;right:9px;
  display:flex;align-items:center;gap:3px;
  font-size:.72rem;color:var(--text-timestamp);
  white-space:nowrap;
}
.checkmark{display:flex;align-items:center}
.checkmark svg{width:14px;height:14px;fill:var(--accent)}

/* ── Image bubble ── */
.bubble-image{
  padding:4px 4px 22px;
  min-width:180px;
}
.bubble-image img{
  display:block;
  max-width:100%;
  max-height:320px;
  object-fit:cover;
  border-radius:6px;
  cursor:pointer;
  transition:opacity var(--transition);
}
.bubble-image img:hover{opacity:.9}
.caption {
  font-size: .875rem;
  color: var(--text-primary);
  padding: 4px 6px;
  word-break: break-word;
  white-space: pre-wrap;
}
.bubble-image .caption {
  padding: 6px 6px 0;
}

/* ── Video bubble ── */
.bubble-video{padding:4px 4px 22px}
.bubble-video video{
  display:block;
  max-width:100%;max-height:280px;
  border-radius:6px;
}

/* ── Audio bubble ── */
.bubble-audio{
  padding:10px 12px 28px;
  min-width:220px;
}
.bubble-audio audio{width:100%;height:36px}

/* ── Document card ── */
.doc-card{
  display:flex;align-items:center;gap:12px;
  padding:6px 2px;
  min-width:200px;
  max-width:320px;
}
.doc-icon{
  width:46px;height:46px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
  font-size:1.1rem;font-weight:700;
  text-transform:uppercase;
}
.doc-icon.pdf{background:#e74c3c;color:#fff}
.doc-icon.doc,.doc-icon.docx{background:#2b5ce6;color:#fff}
.doc-icon.xls,.doc-icon.xlsx{background:#1d9d54;color:#fff}
.doc-icon.ppt,.doc-icon.pptx{background:#e67e22;color:#fff}
.doc-icon.txt,.doc-icon.csv,.doc-icon.md{background:#7f8c8d;color:#fff}
.doc-icon.zip,.doc-icon.rar,.doc-icon["7z"],.doc-icon.tar,.doc-icon.gz{background:#9b59b6;color:#fff}
.doc-icon.py,.doc-icon.js,.doc-icon.html,.doc-icon.css,.doc-icon.json{background:#f39c12;color:#fff}
.doc-icon.default{background:#34495e;color:#fff}
.doc-info{flex:1;min-width:0}
.doc-name{
  font-size:.875rem;font-weight:500;
  color:var(--text-primary);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.doc-meta{font-size:.75rem;color:var(--text-secondary);margin-top:2px}
.doc-actions{margin-top:8px;display:flex;gap:8px}
.doc-btn{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 12px;
  border-radius:6px;
  background:rgba(255,255,255,.08);
  border:none;cursor:pointer;
  color:var(--text-primary);
  font-size:.8rem;font-family:var(--font);
  text-decoration:none;
  transition:background var(--transition);
}
.doc-btn:hover{background:rgba(255,255,255,.15)}
.doc-btn svg{width:14px;height:14px;fill:currentColor}
.doc-divider{height:1px;background:rgba(255,255,255,.08);margin:6px 0 8px}

/* Context menu */
.ctx-menu{
  position:fixed;z-index:9999;
  background:var(--bg-panel);
  border:1px solid var(--border);
  border-radius:8px;
  padding:4px 0;
  min-width:160px;
  box-shadow:0 8px 32px rgba(0,0,0,.6);
  animation:fadeIn .15s ease;
}
@keyframes fadeIn{from{opacity:0;transform:scale(.96)}to{opacity:1;transform:scale(1)}}
.ctx-item{
  display:flex;align-items:center;gap:10px;
  padding:10px 16px;
  font-size:.875rem;color:var(--text-primary);
  cursor:pointer;transition:background var(--transition);
}
.ctx-item:hover{background:var(--bg-hover)}
.ctx-item.danger{color:#ff6b6b}
.ctx-item svg{width:16px;height:16px;fill:currentColor}

/* ── Loading spinner ── */
.load-more{
  display:flex;justify-content:center;
  padding:8px;
}
.spinner{
  width:24px;height:24px;
  border:2.5px solid rgba(255,255,255,.1);
  border-top-color:var(--accent);
  border-radius:50%;
  animation:spin .8s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}

/* ── Input area ── */
#input-area{
  position:relative;z-index:10;
  background:var(--bg-panel);
  border-top:1px solid var(--border);
  /* Safe area untuk gesture bar Android & notch iOS */
  padding:10px 16px calc(10px + env(safe-area-inset-bottom, 0px)) 16px;
  display:flex;
  align-items:flex-end;
  gap:8px;
  flex-shrink:0;
}

/* Attach button */
.attach-btn{
  width:42px;height:42px;border-radius:50%;
  background:none;border:none;cursor:pointer;
  color:var(--text-secondary);
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
  transition:color var(--transition);
  position:relative;
}
.attach-btn:hover{color:var(--accent)}
.attach-btn svg{width:22px;height:22px}

/* Attach dropdown */
.attach-menu{
  position:absolute;bottom:calc(100% + 10px);left:0;
  background:var(--bg-panel);
  border:1px solid var(--border);
  border-radius:12px;
  padding:8px;
  display:none;
  flex-direction:column;gap:4px;
  min-width:170px;
  box-shadow:0 8px 32px rgba(0,0,0,.6);
  z-index:100;
  animation:fadeIn .15s ease;
}
.attach-menu.open{display:flex}
.attach-item{
  display:flex;align-items:center;gap:10px;
  padding:10px 12px;border-radius:8px;
  font-size:.875rem;color:var(--text-primary);
  cursor:pointer;transition:background var(--transition);
  background:none;border:none;font-family:var(--font);
  text-align:left;
}
.attach-item:hover{background:var(--bg-hover)}
.attach-item .ico{
  width:34px;height:34px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
}
.attach-item svg{width:18px;height:18px;fill:#fff}

/* Text input */
.input-wrapper{
  flex:1;
  background:var(--bg-input);
  border:1.5px solid var(--border);
  border-radius:22px;
  display:flex;align-items:flex-end;
  padding:4px 12px;
  transition:border-color var(--transition);
}
.input-wrapper:focus-within{border-color:rgba(255,255,255,.2)}
#msg-input{
  flex:1;
  background:none;border:none;outline:none;
  color:var(--text-primary);
  font-size:.9375rem;font-family:var(--font);
  resize:none;
  max-height:120px;
  min-height:36px;
  line-height:1.5;
  padding:6px 0;
  overflow-y:auto;
}
#msg-input::placeholder{color:var(--text-secondary)}
#msg-input::-webkit-scrollbar{width:4px}
#msg-input::-webkit-scrollbar-thumb{background:rgba(255,255,255,.1);border-radius:99px}

/* Send button */
#send-btn{
  width:42px;height:42px;border-radius:50%;
  background:var(--accent);
  border:none;cursor:pointer;
  color:#fff;
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
  transition:background var(--transition),transform var(--transition);
  box-shadow:0 2px 12px rgba(0,168,132,.35);
}
#send-btn:hover{background:var(--accent-dark);transform:scale(1.05)}
#send-btn:active{transform:scale(.97)}
#send-btn svg{width:20px;height:20px;fill:#fff}

/* Drag overlay */
#drag-overlay{
  position:fixed;inset:0;z-index:9000;
  background:rgba(0,168,132,.12);
  border:3px dashed var(--accent);
  display:none;
  align-items:center;justify-content:center;
  flex-direction:column;gap:12px;
  pointer-events:none;
}
#drag-overlay.active{display:flex}
#drag-overlay svg{width:64px;height:64px;fill:var(--accent);opacity:.8}
#drag-overlay p{color:var(--accent);font-size:1.25rem;font-weight:600}

/* ── Upload progress ── */
#upload-toast{
  position:fixed;bottom:90px;left:50%;transform:translateX(-50%);
  background:var(--bg-panel);
  border:1px solid var(--border);
  border-radius:12px;
  padding:14px 20px;
  display:none;
  align-items:center;gap:12px;
  min-width:260px;
  box-shadow:0 8px 32px rgba(0,0,0,.5);
  z-index:8000;
}
#upload-toast.show{display:flex}
.toast-progress{
  flex:1;height:4px;background:rgba(255,255,255,.1);
  border-radius:99px;overflow:hidden;
}
.toast-bar{height:100%;background:var(--accent);border-radius:99px;width:0%;transition:width .2s}
.toast-label{font-size:.8rem;color:var(--text-secondary);white-space:nowrap}

/* ── Lightbox ── */
#lightbox{
  position:fixed;inset:0;z-index:9500;
  background:var(--bg-overlay);
  display:none;
  align-items:center;justify-content:center;
  animation:fadeIn .2s ease;
}
#lightbox.open{display:flex}
#lightbox img{
  max-width:min(900px,96vw);
  max-height:90vh;
  object-fit:contain;
  border-radius:8px;
  box-shadow:0 20px 60px rgba(0,0,0,.8);
}
#lightbox-close{
  position:absolute;top:20px;right:20px;
  width:40px;height:40px;border-radius:50%;
  background:rgba(255,255,255,.1);
  border:none;cursor:pointer;
  color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:1.4rem;
  transition:background var(--transition);
}
#lightbox-close:hover{background:rgba(255,255,255,.2)}

/* ── Notification toast ── */
#notif{
  position:fixed;top:16px;left:50%;transform:translateX(-50%);
  background:var(--bg-panel);
  border:1px solid var(--border);
  border-radius:8px;
  padding:10px 18px;
  font-size:.85rem;
  color:var(--text-primary);
  z-index:9999;
  display:none;
  box-shadow:0 4px 20px rgba(0,0,0,.5);
  animation:slideDown .2s ease;
}
@keyframes slideDown{from{opacity:0;transform:translateX(-50%) translateY(-10px)}to{opacity:1;transform:translateX(-50%) translateY(0)}}
#notif.show{display:block}
#notif.error{border-color:rgba(220,53,69,.4);color:#ff6b6b}
#notif.success{border-color:rgba(0,168,132,.4);color:var(--accent)}

/* ── Scrollbar ── */
#messages-area::-webkit-scrollbar{width:5px}
#messages-area::-webkit-scrollbar-thumb{background:rgba(255,255,255,.08);border-radius:99px}

/* ── Responsive ── */
@media(max-width:600px){
  .bubble{max-width:88vw}
  .doc-card{max-width:260px}
  #msg-input{font-size:.875rem}
}

/* ── Device badge ── */
.device-badge{
  display:inline-flex;align-items:center;gap:3px;
  font-size:.68rem;
  color:var(--text-timestamp);
  margin-right:4px;
  opacity:.8;
  vertical-align:middle;
}
.device-badge svg{width:11px;height:11px;fill:currentColor;flex-shrink:0}
.device-badge.mobile{color:#64b5f6}
.device-badge.laptop{color:var(--text-timestamp)}

/* ── Search bar ── */
#search-overlay{
  position:absolute;top:0;left:0;right:0;z-index:20;
  background:var(--bg-panel);
  border-bottom:1px solid var(--border);
  display:none;
  align-items:center;
  gap:8px;
  padding:10px 16px;
  height:var(--header-h);
  animation:slideDown .2s ease;
}
#search-overlay.open{display:flex}
#search-input{
  flex:1;
  background:var(--bg-input);
  border:1.5px solid var(--border);
  border-radius:22px;
  padding:8px 16px;
  color:var(--text-primary);
  font-size:.9rem;font-family:var(--font);
  outline:none;
  transition:border-color var(--transition);
}
#search-input:focus{border-color:var(--accent)}
#search-input::placeholder{color:var(--text-secondary)}
.search-close-btn{
  width:36px;height:36px;border-radius:50%;
  background:none;border:none;cursor:pointer;
  color:var(--text-secondary);
  display:flex;align-items:center;justify-content:center;
  transition:color var(--transition),background var(--transition);
}
.search-close-btn:hover{color:var(--text-primary);background:var(--bg-hover)}
.search-close-btn svg{width:18px;height:18px;fill:currentColor}

/* Search results overlay */
#search-results{
  position:absolute;top:var(--header-h);left:0;right:0;bottom:0;
  z-index:15;
  background:var(--bg-main);
  overflow-y:auto;
  padding:8px 16px;
  display:none;
  -webkit-overflow-scrolling:touch;
}
#search-results.open{display:block}
.search-empty{
  text-align:center;
  padding:48px 0;
  color:var(--text-secondary);
  font-size:.9rem;
}
.search-empty svg{
  width:48px;height:48px;fill:var(--text-secondary);
  opacity:.4;display:block;margin:0 auto 12px;
}
.search-count{
  font-size:.78rem;color:var(--text-secondary);
  padding:4px 0 10px;
  border-bottom:1px solid var(--border);
  margin-bottom:8px;
}
.search-result-item{
  display:flex;gap:12px;
  padding:10px 0;
  border-bottom:1px solid rgba(255,255,255,.04);
  cursor:pointer;
  transition:background var(--transition);
  border-radius:6px;
  padding:10px 8px;
  margin:0 -8px;
}
.search-result-item:hover{background:var(--bg-hover)}
.sri-icon{
  width:38px;height:38px;border-radius:50%;
  flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  font-size:.75rem;font-weight:700;
}
.sri-icon.text-icon{background:var(--bg-bubble-sent)}
.sri-icon.file-icon{background:var(--bg-bubble-recv)}
.sri-icon svg{width:18px;height:18px;fill:var(--text-secondary)}
.sri-body{flex:1;min-width:0}
.sri-name{
  font-size:.875rem;font-weight:500;color:var(--text-primary);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
  margin-bottom:3px;
}
.sri-name mark{
  background:rgba(0,168,132,.3);color:var(--accent);
  border-radius:2px;padding:0 2px;
}
.sri-meta{font-size:.75rem;color:var(--text-secondary);display:flex;gap:8px;align-items:center}
.sri-device{display:flex;align-items:center;gap:3px}
.sri-device svg{width:11px;height:11px;fill:currentColor}

/* Highlight in main chat */
mark.search-hl{
  background:rgba(0,168,132,.35);
  color:var(--accent);
  border-radius:3px;
  padding:0 2px;
}

/* Hidden file inputs */
input[type=file] {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
  opacity: 0;
  pointer-events: none;
}
/* ── Profile & Media Gallery Panel ── */
#profile-panel{
  position:fixed;top:0;right:0;bottom:0;
  width:min(400px, 100vw);
  background:var(--bg-main);
  z-index:30;
  transform:translateX(100%);
  transition:transform .3s cubic-bezier(0.4, 0, 0.2, 1);
  display:flex;flex-direction:column;
  box-shadow:-5px 0 25px rgba(0,0,0,.5);
}
#profile-panel.open{transform:translateX(0)}
.profile-header{
  height:var(--header-h);
  background:var(--bg-panel);
  display:flex;align-items:center;
  padding:0 16px;gap:16px;
  flex-shrink:0;
}
.profile-back-btn{
  background:none;border:none;color:var(--text-primary);
  display:flex;align-items:center;justify-content:center;
  cursor:pointer;width:40px;height:40px;border-radius:50%;
  margin-left:-8px;
}
.profile-back-btn:hover{background:var(--bg-hover)}
.profile-back-btn svg{width:24px;height:24px;fill:currentColor}
.profile-header h2{font-size:1.1rem;font-weight:600;margin:0}

.profile-content{
  flex:1;overflow-y:auto;
  -webkit-overflow-scrolling:touch;
}
.profile-info-card{
  background:var(--bg-panel);
  padding:24px 16px;
  text-align:center;
  margin-bottom:12px;
}
.profile-avatar-large{
  width:100px;height:100px;border-radius:50%;
  background:linear-gradient(135deg,var(--accent),#128c7e);
  margin:0 auto 16px;
  display:flex;align-items:center;justify-content:center;
  font-size:3rem;font-weight:700;color:#fff;
  box-shadow:0 4px 12px rgba(0,168,132,.4);
}
.profile-info-card h3{font-size:1.4rem;margin-bottom:4px;font-weight:500}
.profile-info-card p{color:var(--text-secondary);font-size:.95rem}

.media-section{
  background:var(--bg-panel);
  flex:1;display:flex;flex-direction:column;
  min-height:100%;
}
.media-tabs{
  display:flex;
  overflow-x:auto;
  border-bottom:1px solid var(--border);
  -webkit-overflow-scrolling:touch;
}
.media-tabs::-webkit-scrollbar{display:none}
.media-tab{
  flex:1;min-width:70px;
  background:none;border:none;
  padding:14px 12px;
  color:var(--text-secondary);
  font-size:.85rem;font-weight:600;font-family:var(--font);
  cursor:pointer;
  border-bottom:2px solid transparent;
  transition:color .2s;
  white-space:nowrap;
}
.media-tab:hover{color:var(--text-primary)}
.media-tab.active{color:var(--accent);border-bottom-color:var(--accent)}

.media-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill, minmax(110px, 1fr));
  gap:2px;
  padding:2px;
}
.media-item{
  aspect-ratio:1;
  background:var(--bg-main);
  position:relative;
  cursor:pointer;
  overflow:hidden;
}
.media-item img, .media-item video{
  width:100%;height:100%;object-fit:cover;
}
.media-item.doc-item{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  padding:12px;text-align:center;background:var(--bg-hover);
}
.media-item.doc-item .ext{
  font-size:1.2rem;font-weight:700;color:var(--text-secondary);
  margin-bottom:8px;
}
.media-item.doc-item .name{
  font-size:.7rem;color:var(--text-primary);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;width:100%;
}
.media-play-icon{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:32px;height:32px;border-radius:50%;background:rgba(0,0,0,.5);
  display:flex;align-items:center;justify-content:center;
}
.media-play-icon svg{width:16px;height:16px;fill:#fff;margin-left:2px}

/* Pull to Refresh Indicator */
#ptr-indicator{
  position:absolute;top:0;left:0;right:0;
  display:flex;align-items:center;justify-content:center;
  height:50px;
  transform:translateY(-50px);
  color:var(--text-secondary);
  font-size:.85rem;
  z-index:2;
  pointer-events:none;
}
#ptr-indicator .spinner{width:20px;height:20px;border-width:2px;margin-right:8px}
/* ═══════════════════════════════════════════════════════
   SIDEBAR & RESPONSIVE LAYOUT
═══════════════════════════════════════════════════════ */
#chat-app {
  display: flex;
  flex-direction: row;
  height: 100%;
  height: 100dvh;
  width: 100%;
  width: 100vw;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  overflow: hidden;
}

#sidebar {
  width: 300px;
  min-width: 280px;
  background: var(--bg-panel);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  height: 100%;
  flex-shrink: 0;
  z-index: 100;
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.sidebar-header {
  height: var(--header-h);
  padding: 0 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--bg-panel);
  flex-shrink: 0;
}
.sidebar-header h2 { font-size: 1.1rem; font-weight: 700; color: var(--text-primary); margin: 0; }

.sidebar-contacts {
  flex: 1;
  overflow-y: auto;
}

.contact-item {
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  border-bottom: 1px solid var(--bg-hover);
  transition: background 0.2s;
}
.contact-item:hover { background: var(--bg-hover); }
.contact-item.active { background: rgba(0, 168, 132, 0.15); border-left: 4px solid var(--accent); }

.contact-avatar {
  width: 40px; height: 40px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), #128c7e);
  color: white;
  display: flex; align-items: center; justify-content: center;
  font-weight: bold; font-size: 1.1rem;
  flex-shrink: 0;
}
.contact-name { font-weight: 600; font-size: 0.95rem; color: var(--text-primary); }

#main-chat {
  flex: 1;
  display: flex;
  flex-direction: column;
  position: relative;
  min-width: 0;
  height: 100%;
}

#sidebar-toggle {
  display: none;
}

#sidebar-overlay {
  display: none;
}

/* Voice Note Mic Button */
#mic-btn {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: all 0.2s ease;
}
#mic-btn:hover {
  background: var(--bg-hover);
  color: var(--accent);
  border-color: var(--accent);
}
#mic-btn.recording {
  background: #e91e63 !important;
  color: #ffffff !important;
  border-color: #e91e63 !important;
  box-shadow: 0 0 12px rgba(233, 30, 99, 0.6);
  animation: pulseMic 1s infinite;
}
@keyframes pulseMic {
  0% { transform: scale(1); }
  50% { transform: scale(1.1); }
  100% { transform: scale(1); }
}

/* Inside Chat Input Recording Bar */
#recording-bar {
  display: none;
  align-items: center;
  gap: 8px;
  width: 100%;
  min-height: 36px;
  color: #e91e63;
  font-size: 0.88rem;
  font-weight: 500;
  padding: 4px 0;
}
.rec-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #e91e63;
  animation: pulseMic 1s infinite;
  flex-shrink: 0;
}
.rec-hint {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-left: auto;
  white-space: nowrap;
}

/* Mobile responsive sidebar */
@media (max-width: 768px) {
  #sidebar {
    position: fixed;
    top: 0; left: 0; bottom: 0;
    width: 280px;
    z-index: 1000;
    transform: translateX(-100%);
    box-shadow: 4px 0 16px rgba(0,0,0,0.5);
  }
  #sidebar.open {
    transform: translateX(0);
  }
  #sidebar-toggle {
    display: flex !important;
    margin-right: 8px;
  }
  #sidebar-overlay {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 999;
/* Reply Preview Bar */
#reply-preview-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-panel);
  border-top: 1px solid var(--border);
  padding: 8px 16px;
  position: relative;
  z-index: 9;
}
.reply-preview-border {
  width: 4px;
  height: 100%;
  min-height: 32px;
  background: var(--accent);
  border-radius: 4px;
  flex-shrink: 0;
}
.reply-preview-content {
  flex: 1;
  min-width: 0;
  font-size: 0.85rem;
}
.reply-preview-name {
  font-weight: bold;
  color: var(--accent);
  margin-bottom: 2px;
}
.reply-preview-text {
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.reply-cancel-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.1rem;
  cursor: pointer;
  padding: 4px;
}
.reply-cancel-btn:hover { color: var(--text-primary); }

/* Quoted Reply Box inside Chat Bubble */
.bubble-reply-box {
  background: rgba(0, 0, 0, 0.2);
  border-left: 3.5px solid var(--accent);
  border-radius: 6px;
  padding: 6px 10px;
  margin-bottom: 6px;
  cursor: pointer;
  font-size: 0.82rem;
}
.bubble-reply-box .reply-name {
  font-weight: bold;
  color: var(--accent);
  margin-bottom: 2px;
}
.bubble-reply-box .reply-text {
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Edit Modal */
.modal-backdrop {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  backdrop-filter: blur(2px);
}
.modal-card {
  width: min(420px, 90vw);
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  box-shadow: 0 16px 48px rgba(0,0,0,0.6);
}
.modal-card h3 { font-size: 1.1rem; margin-bottom: 12px; color: var(--text-primary); }
.modal-card textarea {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text-primary);
  font-family: var(--font);
  padding: 10px;
  font-size: 0.95rem;
  outline: none;
  resize: vertical;
  min-height: 80px;
}
.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 14px;
}
.modal-actions button {
  padding: 8px 16px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  font-size: 0.9rem;
  background: var(--bg-hover);
  color: var(--text-primary);
}
.modal-actions button.btn-primary {
  background: var(--accent);
  color: white;
}

/* Attachment Preview Modal */
.attach-modal-card {
  width: min(480px, 92vw);
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 18px 20px;
}
.attach-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.attach-modal-header h3 {
  font-size: 1.1rem;
  margin: 0;
  color: var(--text-primary);
}
.attach-modal-close {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 1.2rem;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 6px;
}
.attach-modal-close:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}
.attach-preview-container {
  width: 100%;
  min-height: 180px;
  max-height: 260px;
  background: var(--bg-main);
  border-radius: 12px;
  border: 1px dashed var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 10px;
  position: relative;
}
.attach-preview-container img {
  max-height: 220px;
  max-width: 100%;
  object-fit: contain;
  border-radius: 8px;
}
.attach-preview-container video {
  max-height: 220px;
  max-width: 100%;
  border-radius: 8px;
}
.attach-preview-container audio {
  width: 100%;
  max-width: 380px;
}
.attach-doc-preview {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--bg-panel);
  border-radius: 10px;
  border: 1px solid var(--border);
  width: 100%;
}
.attach-file-info {
  font-size: 0.82rem;
  color: var(--text-secondary);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.attach-caption-box textarea {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text-primary);
  font-family: var(--font);
  padding: 10px 12px;
  font-size: 0.95rem;
  outline: none;
  resize: none;
  min-height: 60px;
  max-height: 120px;
}
.attach-caption-box textarea:focus {
  border-color: var(--accent);
}