/* ===== Bottom tab bar ===== */
#tabbar{
  flex-shrink:0;
  background:var(--tabbar-bg);
  backdrop-filter:blur(20px);
  border-top:.5px solid var(--nav-border);
  display:flex;
  padding-bottom:22px;
  position:relative;z-index:10;
}
.tab-btn{
  flex:1; display:flex; flex-direction:column; align-items:center; gap:2px;
  background:none;border:none;padding:6px 0 0;color:var(--text-sub);
  font-size:10px; min-height:44px;
}
.tab-btn.active{color:var(--accent);}
.tab-btn svg{width:26px;height:26px;}
.tab-badge{
  position:absolute; transform:translate(10px,-8px);
  background:var(--danger);color:#fff;font-size:11px;font-weight:600;
  min-width:17px;height:17px;border-radius:9px;
  display:flex;align-items:center;justify-content:center;padding:0 4px;
}

/* ===== Chat list ===== */
.list-row{
  display:flex; align-items:center; gap:12px;
  padding:8px 16px; min-height:72px;
  position:relative;
}
.list-row:active{background:rgba(120,120,128,.12);}
.avatar{
  width:52px;height:52px;border-radius:50%;flex-shrink:0;
  background:linear-gradient(135deg,#8b9aa8,#5d6b78);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-weight:600;font-size:19px;overflow:hidden;position:relative;
}
.avatar img{width:100%;height:100%;object-fit:cover;}
.avatar.sm{width:36px;height:36px;font-size:14px;}
.avatar.xs{width:26px;height:26px;font-size:11px;}
.avatar.lg{width:88px;height:88px;font-size:32px;}
.avatar.group-icon{background:linear-gradient(135deg,#7c8994,#4a5560);}
.row-main{flex:1;min-width:0; border-bottom:.5px solid var(--divider); padding-bottom:8px; display:flex; flex-direction:column; gap:2px;}
.row-top{display:flex;align-items:baseline;justify-content:space-between;gap:8px;}
.row-name{font-size:17px;font-weight:600;color:var(--text-main);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.row-time{font-size:13px;color:var(--text-faint);flex-shrink:0;}
.row-bottom{display:flex;align-items:center;justify-content:space-between;gap:8px;}
.row-preview{font-size:15px;color:var(--text-sub);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:1;display:flex;align-items:center;gap:3px;}
.row-unread{
  background:var(--wa-green);color:#fff;font-size:12px;font-weight:700;
  min-width:20px;height:20px;border-radius:10px;display:flex;align-items:center;justify-content:center;padding:0 6px;flex-shrink:0;
}
.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  padding:60px 30px;text-align:center;color:var(--text-sub);gap:10px;
}
.empty-state .es-icon{opacity:.35;margin-bottom:6px;}
.empty-state h3{margin:0;font-size:18px;color:var(--text-main);}
.empty-state p{margin:0;font-size:14px;line-height:1.4;}

.fab{
  position:absolute; right:20px; bottom:30px;
  width:56px;height:56px;border-radius:50%;
  background:var(--wa-green); color:#fff; border:none;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 4px 14px rgba(0,0,0,.3); z-index:20;
}
.fab:active{transform:scale(.94);}

/* ===== Chat view ===== */
.chat-navbar-row{gap:2px;}
.chat-header-info{display:flex;align-items:center;gap:10px;flex:1;min-width:0;padding:2px 2px;}
.chat-header-text{min-width:0;display:flex;flex-direction:column;}
.chat-header-name{font-size:16px;font-weight:600;color:var(--nav-text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.chat-header-sub{font-size:12.5px;color:var(--nav-sub);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}

.chat-scroll{
  flex:1; overflow-y:auto; -webkit-overflow-scrolling:touch;
  position:relative;
  background-color:var(--chat-bg);
  background-repeat:repeat;
  padding:10px 8px 14px;
}
.chat-scroll.wallpaper-custom{background-size:cover;background-position:center;}
.date-chip-wrap{display:flex;justify-content:center;margin:10px 0;}
.date-chip{
  background:rgba(255,255,255,.75);
  color:#54656f;
  font-size:12.5px; padding:5px 12px; border-radius:8px; font-weight:500;
  box-shadow:0 1px 1px rgba(0,0,0,.1);
}
:root[data-theme="dark"] .date-chip{background:#182229;color:#8696a0;box-shadow:none;}
.sys-chip-wrap{display:flex;justify-content:center;margin:8px 0;}
.sys-chip{
  background:rgba(255,247,196,.85); color:#7a6a00;
  font-size:12px; padding:6px 12px; border-radius:8px; text-align:center; max-width:80%;
}
:root[data-theme="dark"] .sys-chip{background:#182229;color:#8696a0;}

.msg-row{display:flex; margin:2px 0; width:100%;}
.msg-row.out{justify-content:flex-end;}
.msg-row.in{justify-content:flex-start;}
.msg-row .group-sender-avatar{width:28px;height:28px;margin-right:6px;align-self:flex-end;flex-shrink:0;}
.bubble{
  max-width:78%;
  position:relative;
  border-radius:var(--radius-bubble);
  padding:6px 9px 6px 9px;
  box-shadow:0 1px .5px rgba(0,0,0,.13);
  font-size:15.5px; line-height:1.32;
  cursor:pointer;
}
.bubble.out{background:var(--bubble-out); color:var(--bubble-out-text); border-bottom-right-radius:4px;}
.bubble.in{background:var(--bubble-in); color:var(--bubble-in-text); border-bottom-left-radius:4px;}
.bubble .sender-name{font-size:13px;font-weight:700;margin-bottom:2px; color:var(--sender-color,#e17055);}
.bubble-text{white-space:pre-wrap;word-break:break-word;padding-right:2px;}
.bubble-meta-inline{float:right; margin-left:8px; margin-top:2px; display:inline-flex; align-items:center; gap:3px; font-size:11px; color:var(--bubble-meta); white-space:nowrap; transform:translateY(4px);}
.bubble-meta-inline svg{width:15px;height:11px;}
.meta-check.read{color:var(--check-read);}

.bubble.media{padding:3px;}
.bubble.media .media-wrap{position:relative;border-radius:14px;overflow:hidden;max-width:260px;}
.bubble.media img{display:block;width:100%;max-height:320px;object-fit:cover;}
.media-play-overlay{
  position:absolute; inset:0; display:flex;align-items:center;justify-content:center;
}
.media-play-btn{
  width:52px;height:52px;border-radius:50%;background:rgba(0,0,0,.45);
  display:flex;align-items:center;justify-content:center;
}
.media-duration-badge{
  position:absolute; left:8px; bottom:8px; background:rgba(0,0,0,.55); color:#fff;
  font-size:12px; padding:2px 7px; border-radius:5px;
}
.media-meta-overlay{
  position:absolute; right:8px; bottom:6px; background:rgba(0,0,0,.4); color:#fff;
  font-size:11px; padding:2px 6px; border-radius:8px; display:flex;align-items:center;gap:3px;
}
.media-caption{padding:6px 6px 2px;}

.bubble.doc{padding:10px;}
.doc-row{display:flex;align-items:center;gap:10px;min-width:200px;}
.doc-icon{width:42px;height:50px;border-radius:6px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:11px;font-weight:700;flex-shrink:0;}
.doc-info{min-width:0;}
.doc-name{font-size:14.5px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:170px;}
.doc-size{font-size:12.5px;color:var(--bubble-meta);margin-top:2px;}

.bubble.voice{padding:9px 10px;min-width:210px;}
.voice-row{display:flex;align-items:center;gap:8px;}
.voice-play{width:34px;height:34px;border-radius:50%;background:var(--accent);display:flex;align-items:center;justify-content:center;flex-shrink:0;color:#fff;}
.voice-wave{flex:1;display:flex;align-items:center;gap:2px;height:24px;}
.voice-wave span{width:3px;border-radius:2px;background:var(--bubble-meta);opacity:.55;}
.bubble.out .voice-wave span{background:#075e4d;opacity:.55;}
.voice-dur{font-size:11.5px;color:var(--bubble-meta);flex-shrink:0;}

.bubble.location{padding:3px;}
.loc-map{width:250px;height:130px;border-radius:14px 14px 0 0;overflow:hidden;position:relative;}
.loc-map img{width:100%;height:100%;object-fit:cover;}
.loc-info{padding:8px 8px 4px;}
.loc-addr{font-size:14px;font-weight:600;}
.loc-label{font-size:12.5px;color:var(--bubble-meta);margin-top:1px;}

.bubble.contact-card{padding:12px 14px;min-width:210px;}
.cc-row{display:flex;align-items:center;gap:10px;}
.cc-name{font-size:15px;font-weight:600;}
.cc-phone{font-size:12.5px;color:var(--bubble-meta);margin-top:1px;}
.cc-divider{height:1px;background:var(--divider);margin:9px -14px;}
.cc-action{text-align:center;color:var(--link);font-size:14.5px;font-weight:600;}

.typing-bubble{display:flex;align-items:center;gap:4px;padding:11px 14px;}
.typing-bubble span{width:7px;height:7px;border-radius:50%;background:var(--text-faint);opacity:.5;animation:typingBounce 1.2s infinite ease-in-out;}
.typing-bubble span:nth-child(2){animation-delay:.15s;}
.typing-bubble span:nth-child(3){animation-delay:.3s;}
@keyframes typingBounce{0%,60%,100%{transform:translateY(0);opacity:.4;}30%{transform:translateY(-4px);opacity:1;}}

.msg-anim{animation:bubbleIn .22s cubic-bezier(.34,1.56,.64,1);}
@keyframes bubbleIn{from{opacity:0;transform:scale(.85) translateY(6px);}to{opacity:1;transform:scale(1) translateY(0);}}

/* Composer */
.composer{
  flex-shrink:0; background:var(--composer-bg);
  padding:6px 8px calc(6px + env(safe-area-inset-bottom,0px));
  display:flex; align-items:flex-end; gap:6px;
  border-top:.5px solid var(--nav-border);
}
.composer-icon-btn{
  width:34px;height:34px;border-radius:50%;border:none;background:none;
  display:flex;align-items:center;justify-content:center;color:var(--accent);
  flex-shrink:0;
}
.composer-icon-btn:active{background:rgba(120,120,128,.16);}
.composer-field-wrap{
  flex:1; background:var(--composer-field); border-radius:20px;
  display:flex; align-items:center; padding:2px 4px 2px 12px; min-height:36px;
  border:1px solid var(--input-border);
}
.composer-field-wrap textarea{
  flex:1; border:none;background:none;outline:none;resize:none;
  font-size:16px; color:var(--text-main); max-height:100px; padding:7px 0; line-height:1.3;
  font-family:inherit;
}
.composer-field-wrap textarea::placeholder{color:var(--text-sub);}
.sender-chip-wrap{padding:4px 10px 0;}
.sender-chip{
  display:inline-flex; align-items:center; gap:6px;
  background:var(--card-bg); border:1px solid var(--input-border);
  border-radius:16px; padding:3px 10px 3px 3px; font-size:12.5px; color:var(--text-main);
}
.send-btn{
  width:34px;height:34px;border-radius:50%;background:var(--accent);border:none;
  display:flex;align-items:center;justify-content:center;color:#fff;flex-shrink:0;
}
.send-btn:active{transform:scale(.92);}