/* ===== RESET & BASE ===== */
*{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg:#111b21;--bg2:#0b141a;--sidebar:#111b21;--header:#202c33;
  --accent:#00a884;--accent-hover:#06cf9c;--text:#e9edef;
  --text2:#8696a0;--bubble-out:#005c4b;--bubble-in:#202c33;
  --border:#2a3942;--input-bg:#2a3942;--hover:#202c33;
  --danger:#ea4335;--panel:#111b21;
}
html,body{height:100%;overflow:hidden}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;background:var(--bg);color:var(--text)}
.hidden{display:none!important}
input,textarea,select,button{font-family:inherit;font-size:14px}
button{cursor:pointer;border:none;background:none;color:var(--text)}
input,textarea,select{background:var(--input-bg);border:none;color:var(--text);border-radius:6px;padding:10px 12px;outline:none;width:100%}
input:focus,textarea:focus,select:focus{box-shadow:0 0 0 2px var(--accent)}
textarea{resize:vertical}
select option{background:var(--bg);color:var(--text)}
::-webkit-scrollbar{width:6px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}

/* ===== LOGIN ===== */
.login-screen{display:flex;align-items:center;justify-content:center;height:100vh;background:var(--bg)}
.login-card{background:var(--header);border-radius:16px;padding:48px 40px;width:100%;max-width:380px;text-align:center}
.login-logo{font-size:56px;margin-bottom:16px}
.login-card h1{color:var(--accent);font-size:28px;margin-bottom:4px}
.login-subtitle{color:var(--text2);margin-bottom:32px;font-size:14px}
#login-form{display:flex;flex-direction:column;gap:12px}
#login-form input{padding:14px 16px;font-size:15px}
#login-btn{background:var(--accent);color:#111b21;font-weight:600;padding:14px;border-radius:8px;font-size:15px;transition:background .2s}
#login-btn:hover{background:var(--accent-hover)}
#login-btn:disabled{opacity:.6;cursor:not-allowed}
.login-error{color:var(--danger);font-size:13px;min-height:18px}

/* ===== APP LAYOUT ===== */
.app{display:flex;flex-direction:column;height:100vh}
.app-header{display:flex;align-items:center;justify-content:space-between;background:var(--header);padding:8px 16px;height:56px;flex-shrink:0;z-index:10}
.header-left,.header-right{display:flex;align-items:center;gap:8px}
.number-selector{display:flex;gap:4px}
.number-btn{display:flex;align-items:center;gap:6px;padding:6px 14px;border-radius:18px;font-size:13px;font-weight:500;transition:background .2s;color:var(--text2)}
.number-btn:hover{background:var(--input-bg)}
.number-btn.active{background:var(--accent);color:#111b21}
.number-btn.active .number-dot{background:#111b21}
.number-dot{width:8px;height:8px;border-radius:50%;background:var(--text2)}
.icon-btn{width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:18px;transition:background .2s}
.icon-btn:hover{background:var(--input-bg)}
.app-body{display:flex;flex:1;overflow:hidden}

/* ===== SIDEBAR ===== */
.sidebar{width:360px;background:var(--sidebar);border-right:1px solid var(--border);display:flex;flex-direction:column;flex-shrink:0}
.sidebar-search{padding:8px 12px}
.sidebar-search input{width:100%;padding:8px 12px;border-radius:8px;background:var(--input-bg)}
.sidebar-filters{display:flex;gap:6px;padding:4px 12px 8px;flex-wrap:wrap;align-items:center}
.filter-chip{padding:5px 12px;border-radius:16px;font-size:12px;background:var(--input-bg);color:var(--text2);transition:all .2s;white-space:nowrap}
.filter-chip:hover{background:var(--hover);color:var(--text)}
.filter-chip.active{background:var(--accent);color:#111b21}
.chat-list{flex:1;overflow-y:auto}
.chat-item{display:flex;align-items:center;padding:12px 16px;cursor:pointer;transition:background .15s;gap:12px;border-bottom:1px solid rgba(134,150,160,.08)}
.chat-item:hover{background:var(--hover)}
.chat-item.active{background:var(--bubble-out)}
.chat-avatar{width:48px;height:48px;border-radius:50%;background:var(--input-bg);display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0}
.chat-item-content{flex:1;min-width:0}
.chat-item-top{display:flex;justify-content:space-between;align-items:center}
.chat-item-name{font-size:15px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.chat-item-time{font-size:11px;color:var(--text2);flex-shrink:0;margin-left:8px}
.chat-item-preview{font-size:13px;color:var(--text2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:2px}
.chat-item-badges{display:flex;gap:4px;margin-top:4px;flex-wrap:wrap}
.chat-label-dot{width:10px;height:10px;border-radius:50%;flex-shrink:0}
.chat-unread{background:var(--accent);color:#111b21;font-size:11px;font-weight:700;min-width:20px;height:20px;border-radius:10px;display:flex;align-items:center;justify-content:center;padding:0 5px}

/* ===== CHAT AREA ===== */
.chat-area{flex:1;display:flex;flex-direction:column;background:var(--bg2);position:relative}
.chat-placeholder{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;color:var(--text2)}
.placeholder-icon{font-size:72px;margin-bottom:16px;opacity:.5}
.chat-placeholder h2{color:var(--text);margin-bottom:8px}

.chat-view{display:flex;flex-direction:column;height:100%}
.chat-header{display:flex;align-items:center;background:var(--header);padding:8px 16px;height:56px;flex-shrink:0;gap:8px}
.chat-header-info{flex:1;min-width:0}
.chat-header-name{display:block;font-weight:500;font-size:15px}
.chat-header-phone{font-size:12px;color:var(--text2)}

.messages-container{flex:1;overflow-y:auto;padding:16px 60px;display:flex;flex-direction:column;gap:2px}
.message-row{display:flex;max-width:65%}
.message-row.sent{align-self:flex-end}
.message-row.received{align-self:flex-start}
.message-bubble{padding:7px 10px 8px;border-radius:8px;position:relative;word-wrap:break-word;line-height:1.4;font-size:14px}
.message-row.sent .message-bubble{background:var(--bubble-out);border-top-right-radius:0}
.message-row.received .message-bubble{background:var(--bubble-in);border-top-left-radius:0}
.msg-text{white-space:pre-wrap}
.msg-meta{display:flex;justify-content:flex-end;align-items:center;gap:4px;margin-top:2px}
.msg-time{font-size:11px;color:rgba(255,255,255,.5)}
.msg-status{font-size:12px}
.msg-status.sent{color:rgba(255,255,255,.4)}
.msg-status.delivered{color:rgba(255,255,255,.5)}
.msg-status.read{color:#53bdeb}
.msg-date-divider{text-align:center;padding:16px 0 8px;font-size:12px;color:var(--text2)}
.msg-date-divider span{background:var(--header);padding:4px 12px;border-radius:6px}

.chat-input-area{display:flex;align-items:center;padding:8px 16px;gap:8px;background:var(--header)}
.chat-input-area input{flex:1;padding:12px 16px;border-radius:8px;font-size:14px}
.send-btn{width:40px;height:40px;border-radius:50%;background:var(--accent);color:#111b21;font-size:18px;display:flex;align-items:center;justify-content:center;transition:background .2s}
.send-btn:hover{background:var(--accent-hover)}

/* ===== CONTACT PANEL ===== */
.contact-panel{width:340px;background:var(--panel);border-left:1px solid var(--border);display:flex;flex-direction:column;overflow-y:auto;flex-shrink:0}
.contact-panel-header{display:flex;align-items:center;justify-content:space-between;padding:16px;border-bottom:1px solid var(--border)}
.contact-panel-header h3{font-size:15px}
.contact-panel-body{padding:20px;display:flex;flex-direction:column;gap:16px}
.contact-avatar-large{width:80px;height:80px;border-radius:50%;background:var(--input-bg);display:flex;align-items:center;justify-content:center;font-size:36px;margin:0 auto 8px}
.contact-field{display:flex;flex-direction:column;gap:4px}
.contact-field label{font-size:12px;color:var(--accent);font-weight:500;text-transform:uppercase;letter-spacing:.5px}
.contact-field input,.contact-field textarea,.contact-field select{font-size:14px}
.labels-list{display:flex;flex-wrap:wrap;gap:6px}
.label-tag{display:inline-flex;align-items:center;gap:4px;padding:3px 10px;border-radius:12px;font-size:12px;font-weight:500}
.label-tag .remove-label{cursor:pointer;opacity:.6;font-size:14px}
.label-tag .remove-label:hover{opacity:1}
.text-btn{color:var(--accent);font-size:13px;text-align:left;padding:4px 0}
.text-btn:hover{text-decoration:underline}
.primary-btn{background:var(--accent);color:#111b21;font-weight:600;padding:10px 20px;border-radius:8px;text-align:center;transition:background .2s}
.primary-btn:hover{background:var(--accent-hover)}

/* ===== MODAL ===== */
.modal{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.6);display:flex;align-items:center;justify-content:center;z-index:100}
.modal-content{background:var(--header);border-radius:12px;width:90%;max-width:400px;max-height:80vh;display:flex;flex-direction:column}
.modal-header{display:flex;align-items:center;justify-content:space-between;padding:16px;border-bottom:1px solid var(--border)}
.modal-header h3{font-size:16px}
.modal-body{padding:12px;overflow-y:auto;display:flex;flex-wrap:wrap;gap:6px}
.modal-footer{padding:12px;border-top:1px solid var(--border);display:flex;gap:8px;align-items:center}
.modal-footer input[type=text]{flex:1}
.modal-footer input[type=color]{width:36px;height:36px;padding:2px;cursor:pointer;border-radius:6px}
.modal-footer .primary-btn{padding:8px 16px;white-space:nowrap}
.label-option{display:flex;align-items:center;gap:8px;padding:8px 12px;border-radius:8px;cursor:pointer;width:100%;transition:background .15s}
.label-option:hover{background:var(--input-bg)}
.label-option .label-color{width:14px;height:14px;border-radius:50%;flex-shrink:0}
.label-option .label-name{font-size:14px}

/* ===== TOAST ===== */
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:var(--header);color:var(--text);padding:10px 24px;border-radius:8px;font-size:14px;z-index:200;box-shadow:0 4px 12px rgba(0,0,0,.4);transition:opacity .3s}
.toast.show{opacity:1}

/* ===== MOBILE ===== */
.mobile-only{display:none}
@media(max-width:768px){
  .mobile-only{display:flex!important}
  .sidebar{width:100%;position:absolute;z-index:5;height:calc(100vh - 56px)}
  .sidebar.chat-open{display:none}
  .chat-area{width:100%}
  .contact-panel{position:absolute;right:0;top:56px;height:calc(100vh - 56px);z-index:6;width:100%}
  .messages-container{padding:12px 16px}
  .message-row{max-width:85%}
}
@media(max-width:1024px) and (min-width:769px){
  .sidebar{width:300px}
  .contact-panel{width:280px}
}

/* New Chat Button */
.sidebar-actions { padding: 8px 12px; }
.new-chat-btn {
  width: 100%; padding: 10px 16px; border: none; border-radius: 8px;
  background: #00a884; color: #111b21; font-weight: 600; font-size: 14px;
  cursor: pointer; display: flex; align-items: center; gap: 8px; justify-content: center;
}
.new-chat-btn:hover { background: #00c49a; }
.new-chat-btn:active { transform: scale(0.98); }

/* Avatar image */
.chat-avatar-img {
  width: 48px; height: 48px; border-radius: 50%; object-fit: cover; flex-shrink: 0;
}
/* Name wrap with phone */
.chat-item-name-wrap { display: flex; flex-direction: column; min-width: 0; }
.chat-item-phone-small { font-size: 11px; color: #8696a0; line-height: 1; }
.chat-item-name-wrap .chat-item-name { font-size: 14px; }