*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
body{font-family:'Inter',system-ui,sans-serif;background:#0f0f0f;color:#e0e0e0;min-height:100vh;display:flex;flex-direction:column}
h1{text-align:center;padding:24px 0 8px;font-size:1.5rem;color:#fff;letter-spacing:-.5px}
h1 span{color:#22c55e}
.key-section{max-width:520px;width:calc(100% - 48px);margin:0 auto 16px;padding:0 24px}
.key-section label{color:#888}
.key-row{display:flex;gap:8px;margin-top:6px;align-items:stretch}
.key-row input[type=password]{flex:1;margin:0}
.btn-key-apply{background:#262626;color:#e0e0e0;border:1px solid #333;white-space:nowrap;padding:10px 16px;border-radius:8px;font-weight:600}
.btn-key-apply:hover{background:#333}
.key-edit-wrap{margin-top:6px}
.btn-key-edit{background:#2563eb;color:#fff;border:none;padding:10px 18px;border-radius:8px;font-weight:600}
.btn-key-edit:hover{background:#1d4ed8}
.key-feedback{min-height:1.25em;margin-top:8px;font-size:.8rem;line-height:1.35;color:#888}
.key-feedback--ok{color:#4ade80}
.key-feedback--err{color:#f87171}
.subtitle{text-align:center;color:#666;font-size:.85rem;margin-bottom:24px}
.container{display:flex;gap:24px;padding:0 24px 24px;flex:1;max-width:1200px;width:100%;margin:0 auto}
.col{background:#1a1a1a;border-radius:12px;padding:24px;border:1px solid #2a2a2a;flex:1;display:flex;flex-direction:column}
.col h2{font-size:1.1rem;margin-bottom:16px;color:#ccc;display:flex;align-items:center;gap:8px}
label{font-size:.8rem;color:#888;margin-bottom:4px;display:block}
label.label-mt{margin-top:16px}
textarea,input[type=text],input[type=password]{width:100%;background:#111;border:1px solid #333;border-radius:8px;padding:10px 12px;color:#e0e0e0;font-size:.9rem;font-family:inherit;outline:none;transition:border .2s}
textarea:focus,input[type=text]:focus,input[type=password]:focus{border-color:#22c55e}
textarea{resize:vertical;min-height:90px}
.input-row{display:flex;gap:8px;margin-bottom:8px}
.input-row input{flex:1}
button{cursor:pointer;border:none;border-radius:8px;padding:10px 18px;font-size:.85rem;font-family:inherit;font-weight:600;transition:background .2s,transform .1s}
button:active{transform:scale(.97)}
.btn-add{background:#22c55e;color:#000;width:100%}
.btn-add:hover{background:#16a34a}
.btn-start{background:#22c55e;color:#000;width:100%;padding:14px;font-size:1rem;margin-top:auto}
.btn-start:hover{background:#16a34a}
.btn-start:disabled{background:#333;color:#666;cursor:not-allowed}
.btn-pause{background:#eab308;color:#000;flex:1}
.btn-pause:hover{background:#ca8a04}
.btn-cancel{background:#ef4444;color:#fff;flex:1}
.btn-cancel:hover{background:#dc2626}
.contact-list{list-style:none;margin:12px 0;flex:1;overflow-y:auto;max-height:220px}
.contact-list li{display:flex;justify-content:space-between;align-items:center;background:#111;border:1px solid #2a2a2a;border-radius:8px;padding:8px 12px;margin-bottom:6px;font-size:.85rem}
#contactList > li{cursor:pointer}
#contactList > li.selected{border-color:#22c55e66;box-shadow:0 0 0 1px #22c55e44}
.contact-list li .remove{background:transparent;color:#ef4444;font-size:1rem;padding:2px 8px;border-radius:4px}
.contact-list li .remove:hover{background:#2a1a1a}
.counter{text-align:center;font-size:1.3rem;font-weight:700;margin-bottom:12px;color:#fff}
.counter span{color:#22c55e}
.progress-bar-wrap{background:#111;border-radius:99px;height:10px;overflow:hidden;margin-bottom:20px;border:1px solid #2a2a2a}
.progress-bar-fill{height:100%;background:linear-gradient(90deg,#22c55e,#4ade80);width:0%;transition:width .4s ease}
.queue-section{margin-bottom:16px}
.queue-section h3{font-size:.85rem;color:#888;margin-bottom:8px}
.queue-list{list-style:none;max-height:180px;overflow-y:auto}
.queue-list li{background:#111;border:1px solid #2a2a2a;border-radius:8px;padding:8px 12px;margin-bottom:6px;font-size:.85rem;display:flex;align-items:center;gap:8px;transition:opacity .3s}
.queue-list li.sending{border-color:#22c55e;animation:pulse 1.5s infinite}
.queue-list li.sent{opacity:.45}
.queue-list li.cancelled{opacity:.3;border-color:#ef4444}
.queue-list li .badge{font-size:.7rem;padding:2px 8px;border-radius:99px;font-weight:600;text-transform:uppercase}
.badge-pending{background:#333;color:#aaa}
.badge-sending{background:#22c55e33;color:#22c55e}
.badge-sent{background:#22c55e22;color:#4ade80}
.badge-cancelled{background:#ef444433;color:#ef4444}
.controls{display:flex;gap:10px;margin-top:auto}
.hidden{display:none!important}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 #22c55e55}50%{box-shadow:0 0 12px 4px #22c55e55}}
.empty-msg{color:#555;font-size:.8rem;text-align:center;padding:16px 8px}
.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.lists-tree{margin-top:16px;border:1px solid #2a2a2a;border-radius:12px;background:#141414;overflow:hidden;min-width:0}
.lists-tree-head{display:flex;align-items:center;gap:8px;padding:10px 12px;border-bottom:1px solid #2a2a2a;background:#161616}
.lists-tree-line{width:2px;height:14px;background:#333;border-radius:1px;flex-shrink:0}
.lists-tree-title{font-size:.72rem;font-weight:600;color:#888;text-transform:uppercase;letter-spacing:.04em}
.lists-tree-grid{display:grid;grid-template-columns:1fr 1fr;gap:0;min-height:0}
@media (max-width:900px){
  .lists-tree-grid{grid-template-columns:1fr}
  .tree-pane--source{border-bottom:1px solid #2a2a2a}
}
.tree-pane{min-width:0;display:flex;flex-direction:column;border-right:1px solid #2a2a2a}
.tree-pane:last-child{border-right:none}
@media (max-width:900px){
  .tree-pane{border-right:none}
}
.tree-pane-header{display:flex;align-items:center;gap:6px;padding:8px 10px;border-bottom:1px solid #252525;background:#121212}
.tree-pane-header--row{flex-wrap:wrap;gap:8px}
.tree-pane-header--row .tree-pane-title{flex:1;min-width:120px}
.tree-pane-header--row .btn-clear-draft-contacts{margin-left:auto}
.tree-branch-icon{color:#555;font-size:.85rem;line-height:1;user-select:none;font-family:ui-monospace,monospace}
.tree-pane-title{font-size:.78rem;font-weight:600;color:#aaa}
.tree-pane-scroll{max-height:min(52vh,420px);overflow-y:auto;padding:8px;min-height:0;-webkit-overflow-scrolling:touch}
.tree-pane-scroll .contact-list,.tree-pane-scroll .gowa-chat-list{max-height:none;overflow:visible;margin:0;flex:none}
.gowa-section{margin-top:8px;padding-top:12px;border-top:1px solid #2a2a2a}
.lists-tree .gowa-section{margin:0;padding:8px 10px 10px;border:none}
.gowa-hint{font-size:.72rem;color:#666;margin:4px 0 10px}
.gowa-hint code{color:#888;font-size:.7rem}
.gowa-hint-neutral{color:#777}
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.65);display:flex;align-items:center;justify-content:center;padding:20px;z-index:1000}
.modal-sheet{background:#1a1a1a;border:1px solid #333;border-radius:12px;padding:20px;max-width:420px;width:100%;max-height:90vh;overflow-y:auto;box-shadow:0 16px 48px rgba(0,0,0,.5)}
.modal-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}
.modal-head h2{font-size:1.05rem;color:#e8e8e8;font-weight:600}
.modal-close{background:transparent;color:#888;font-size:1.5rem;line-height:1;padding:4px 10px;border-radius:6px;font-weight:400}
.modal-close:hover{background:#2a2a2a;color:#fff}
.btn-modal-generate{margin-top:14px;width:100%;background:#22c55e;color:#000;padding:10px;border-radius:8px;font-weight:600}
.btn-modal-generate:hover{background:#16a34a}
.modal-key-out{margin-top:6px;font-size:.8rem;resize:vertical;min-height:72px;font-family:ui-monospace,monospace}
.btn-modal-copy{margin-top:10px;width:100%;background:#262626;color:#e0e0e0;border:1px solid #333;padding:10px;border-radius:8px;font-weight:600}
.btn-modal-copy:hover{background:#333}
.btn-clear-draft-contacts{background:#2a1a1a;color:#f87171;border:1px solid #7f1d1d;padding:8px 14px;border-radius:8px;font-size:.8rem;font-weight:600;white-space:nowrap}
.btn-clear-draft-contacts:hover:not(:disabled){background:#3f2020}
.btn-clear-draft-contacts:disabled{opacity:.4;cursor:not-allowed}
.modal-sheet--narrow{max-width:380px}
.modal-confirm-text{font-size:.9rem;color:#ccc;line-height:1.45;margin-bottom:18px}
.modal-actions-row{display:flex;gap:10px;justify-content:flex-end;flex-wrap:wrap}
.btn-modal-secondary{background:#262626;color:#e0e0e0;border:1px solid #333;padding:10px 16px;border-radius:8px;font-weight:600}
.btn-modal-secondary:hover{background:#333}
.btn-modal-danger{background:#b91c1c;color:#fff;border:none;padding:10px 16px;border-radius:8px;font-weight:600}
.btn-modal-danger:hover{background:#991b1b}
.gowa-chat-controls{display:flex;gap:8px;margin-bottom:8px}
.gowa-chat-controls input{flex:1}
.btn-gowa-load{background:#262626;color:#e0e0e0;border:1px solid #333;white-space:nowrap;padding:10px 14px}
.btn-gowa-load:hover{background:#333}
.btn-gowa-load:disabled{opacity:.5;cursor:not-allowed}
.gowa-chat-list{margin-top:8px}
.lists-tree .gowa-chat-list{margin-top:0}
.gowa-chat-row{display:flex;justify-content:space-between;align-items:flex-start;gap:8px;background:#111;border:1px solid #2a2a2a;border-radius:8px;padding:8px 10px;margin-bottom:6px;font-size:.82rem}
.gowa-chat-info{flex:1;min-width:0;display:flex;flex-direction:column;gap:4px}
.gowa-chat-name{font-weight:600;color:#e8e8e8;word-break:break-word}
.gowa-chat-meta{font-size:.72rem;color:#777;line-height:1.3}
.badge-gowa-kind{background:#1e3a2a;color:#4ade80;font-size:.65rem;padding:1px 6px;border-radius:99px;margin-right:4px;text-transform:uppercase;font-weight:600}
.btn-gowa-add{background:#14532d;color:#86efac;font-size:.75rem;padding:6px 10px;border-radius:6px;white-space:nowrap;align-self:center}
.btn-gowa-add:hover{background:#166534;color:#bbf7d0}
.counter-fail{color:#f87171;font-size:1rem;font-weight:600}
.queue-list li.failed{border-color:#f8717144;opacity:.95}
.badge-failed{background:#ef444422;color:#f87171}