@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&display=swap');
:root{--bg:#0f1117;--bg2:#141821;--card:#1a1f2e;--inp:#111827;--brd:#2a2f3e;--brd2:#1f2937;--t1:#e4e4e7;--t2:#9ca3af;--t3:#6b7280;--acc:#6366f1;--accl:#a5b4fc;--accbg:rgba(99,102,241,.15);--green:#10b981;--red:#ef4444;--yellow:#f59e0b;--cyan:#06b6d4;--purple:#8b5cf6;--r:12px;--rs:8px;--sw:240px}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:'DM Sans',sans-serif;background:var(--bg);color:var(--t1);min-height:100vh}
::-webkit-scrollbar{width:6px}::-webkit-scrollbar-thumb{background:#374151;border-radius:3px}
.login-body{display:flex;align-items:center;justify-content:center;min-height:100vh;background:linear-gradient(135deg,#0f1117,#1a1f2e,#0f1117);padding:20px}
.login-card{background:var(--card);border-radius:20px;padding:40px;width:100%;max-width:400px;border:1px solid var(--brd)}
.login-logo{text-align:center;margin-bottom:32px}.login-logo .logo-icon{font-size:48px;display:block;margin-bottom:8px}.login-logo h1{font-size:28px;font-weight:700;color:#fff;margin-bottom:4px}.login-logo p{color:var(--t2);font-size:14px}
.sidebar{width:var(--sw);background:var(--bg2);border-right:1px solid var(--brd2);position:fixed;top:0;left:0;height:100vh;display:flex;flex-direction:column;z-index:50}
.sidebar-logo{padding:20px;display:flex;align-items:center;gap:10px;border-bottom:1px solid var(--brd2);font-size:24px}.logo-text{font-size:20px;font-weight:700;color:#fff}
.sidebar-nav{flex:1;padding:12px 8px;display:flex;flex-direction:column;gap:2px}
.nav-item{display:flex;align-items:center;gap:12px;padding:11px 16px;border-radius:10px;color:var(--t2);text-decoration:none;font-size:14px;transition:.15s;border:none;background:0;cursor:pointer;font-family:inherit}
.nav-item:hover{background:rgba(255,255,255,.05);color:var(--t1)}.nav-item.active{background:var(--acc);color:#fff;font-weight:600}
.nav-icon{font-size:18px}
.sidebar-footer{padding:16px 20px;border-top:1px solid var(--brd2);display:flex;flex-direction:column;gap:8px}
.status-badge{font-size:12px;padding:8px 12px;border-radius:8px;text-align:center}
.status-connected{color:var(--green);background:rgba(16,185,129,.1)}.status-disconnected{color:var(--red);background:rgba(239,68,68,.1)}
.mobile-header{display:none;position:fixed;top:0;left:0;right:0;background:var(--bg2);border-bottom:1px solid var(--brd2);padding:12px 16px;z-index:60;align-items:center;gap:12px}
.hamburger{background:0;border:0;color:var(--t1);font-size:24px;cursor:pointer}.mobile-title{font-weight:600;font-size:16px}
.main-content{margin-left:var(--sw);padding:24px 32px 100px;min-height:100vh}
.mobile-nav{display:none;position:fixed;bottom:0;left:0;right:0;background:var(--bg2);border-top:1px solid var(--brd2);padding:8px 0 env(safe-area-inset-bottom,8px);z-index:100;justify-content:space-around}
.mnav-item{display:flex;flex-direction:column;align-items:center;gap:2px;padding:6px 4px;text-decoration:none;color:var(--t3);font-size:20px}.mnav-item small{font-size:10px}.mnav-item.active{color:var(--acc)}
.page-title{font-size:22px;font-weight:700;margin-bottom:20px}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;flex-wrap:wrap;gap:12px}
.text-muted{color:var(--t3);font-size:13px}.text-green{color:var(--green)}.text-red{color:var(--red)}
.alert{padding:12px 16px;border-radius:var(--rs);margin-bottom:16px;font-size:14px}
.alert-success{background:rgba(16,185,129,.15);color:#34d399;border:1px solid rgba(16,185,129,.3)}
.alert-error{background:rgba(239,68,68,.15);color:#f87171;border:1px solid rgba(239,68,68,.3)}
.card,.form-card{background:var(--card);border-radius:var(--r);padding:24px;border:1px solid var(--brd);margin-bottom:20px}.card h3{font-size:16px;font-weight:600;margin-bottom:16px}
.form-group{margin-bottom:16px}.form-group label{display:block;font-size:13px;font-weight:500;color:var(--t2);margin-bottom:6px}
input[type=text],input[type=password],input[type=email],input[type=number],input[type=datetime-local],textarea,select{width:100%;padding:10px 14px;border-radius:var(--rs);border:1px solid var(--brd);background:var(--inp);color:var(--t1);font-size:14px;font-family:'DM Sans',sans-serif;outline:0;transition:.2s}
input:focus,textarea:focus,select:focus{border-color:var(--acc)}textarea{resize:vertical}
.form-row{display:flex;gap:16px;flex-wrap:wrap}.flex-1{flex:1;min-width:200px}.search-input{margin-bottom:12px}
.check-label{display:flex;align-items:center;gap:8px;padding-top:28px;font-size:14px;cursor:pointer}.check-label input[type=checkbox]{width:18px;height:18px;accent-color:var(--acc)}
.btn{display:inline-flex;align-items:center;gap:6px;padding:10px 20px;border-radius:var(--rs);font-size:14px;font-weight:600;cursor:pointer;font-family:inherit;border:0;transition:.15s;text-decoration:none;white-space:nowrap}
.btn-primary{background:var(--acc);color:#fff}.btn-primary:hover{background:#5558e6}
.btn-secondary{background:var(--card);color:var(--t1);border:1px solid var(--brd)}.btn-secondary:hover{background:var(--inp)}
.btn-danger{background:rgba(220,38,38,.15);color:#f87171}.btn-danger:hover{background:rgba(220,38,38,.25)}
.btn-block{width:100%;justify-content:center}.btn-sm{padding:6px 12px;font-size:13px}.btn-group{display:flex;gap:6px}
.tab-bar{display:flex;gap:8px;margin-bottom:16px}.tab{padding:8px 20px;border-radius:10px;border:1px solid var(--brd);background:0;color:var(--t2);font-size:14px;cursor:pointer;font-family:inherit}
.tab.active{border-color:var(--acc);background:var(--accbg);color:var(--accl);font-weight:600}.tab-content{display:none}.tab-content.active{display:block}
.contact-list{max-height:65vh;overflow-y:auto}.contact-item{display:flex;align-items:center;gap:12px;padding:12px 16px;border-bottom:1px solid var(--brd2)}
.avatar{width:40px;height:40px;border-radius:50%;background:var(--accbg);color:var(--accl);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:16px;flex-shrink:0}
.avatar-group{background:rgba(139,92,246,.15);color:#c4b5fd}.contact-info{overflow:hidden}.contact-name{font-weight:600;font-size:14px}
.contact-id{color:var(--t3);font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.recipient-grid{display:flex;flex-wrap:wrap;gap:6px;max-height:160px;overflow-y:auto;margin-bottom:8px}
.recipient-chip{padding:6px 12px;border-radius:8px;border:1px solid var(--brd);background:var(--inp);color:var(--t2);font-size:12px;cursor:pointer;transition:.15s}
.recipient-chip:hover{border-color:var(--acc)}.recipient-chip.active{border-color:var(--acc);background:var(--accbg);color:var(--accl)}
.message-list{display:flex;flex-direction:column;gap:12px}.message-card{background:var(--card);border-radius:14px;padding:20px;border:1px solid var(--brd)}
.message-card.card-sent{opacity:.7}.message-card.card-disabled{opacity:.5}
.message-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px;flex-wrap:wrap;gap:8px}
.message-text{color:#d1d5db;font-size:14px;line-height:1.6;margin-bottom:10px;white-space:pre-wrap}
.message-footer{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px}.message-date{color:var(--t3);font-size:13px}
.badge{font-size:12px;padding:4px 12px;border-radius:20px;display:inline-block}
.badge-pending{background:rgba(245,158,11,.15);color:#fbbf24}.badge-sent{background:rgba(16,185,129,.15);color:#34d399}
.badge-error{background:rgba(239,68,68,.15);color:#f87171}.badge-cancelled{background:rgba(107,114,128,.15);color:var(--t3)}
.badge-active{background:rgba(16,185,129,.15);color:#34d399}.badge-paused{background:rgba(107,114,128,.15);color:var(--t3)}
.keyword-badge{font-size:14px;font-weight:600;color:var(--accl)}
.response-row{display:flex;align-items:flex-start;gap:8px;margin-bottom:8px}.response-row textarea{flex:1}
.responses-preview{margin-bottom:10px}.response-preview{color:var(--t2);font-size:13px;padding:4px 0;border-bottom:1px solid rgba(31,41,55,.25)}
.stats-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px;margin-bottom:24px}
.stat-card{background:var(--card);border-radius:14px;padding:20px;border:1px solid var(--brd);display:flex;align-items:center;gap:16px}
.stat-icon{font-size:28px}.stat-value{font-size:28px;font-weight:700;color:#fff}.stat-label{color:var(--t2);font-size:13px}
.border-green{border-left:4px solid var(--green)}.border-indigo{border-left:4px solid var(--acc)}.border-yellow{border-left:4px solid var(--yellow)}
.border-red{border-left:4px solid var(--red)}.border-cyan{border-left:4px solid var(--cyan)}.border-purple{border-left:4px solid var(--purple)}
.activity-list{max-height:400px;overflow-y:auto}.activity-item{display:flex;align-items:center;gap:12px;padding:10px 0;border-bottom:1px solid var(--brd2)}
.activity-icon{font-size:18px}.activity-text{flex:1;color:#d1d5db;font-size:14px}.activity-time{color:var(--t3);font-size:12px;white-space:nowrap}
.status-large{font-size:20px;font-weight:600;margin-bottom:16px}
.modal{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.7);display:flex;align-items:center;justify-content:center;z-index:200}
.modal-content{background:var(--card);border-radius:20px;padding:40px;border:1px solid var(--brd);text-align:center;max-width:420px;width:90%}
.modal-content h2{margin-bottom:8px}.modal-content p{color:var(--t2);margin-bottom:16px}
#qr-container img{width:260px;height:260px;border-radius:16px;background:#fff;padding:10px}
.spinner{width:40px;height:40px;border:4px solid var(--brd);border-top:4px solid var(--acc);border-radius:50%;animation:spin 1s linear infinite;margin:0 auto}
.spinner-container{text-align:center;padding:40px}@keyframes spin{to{transform:rotate(360deg)}}
.toast{position:fixed;top:20px;right:20px;padding:12px 20px;border-radius:10px;color:#fff;font-weight:500;z-index:9999;animation:si .3s ease;font-family:'DM Sans',sans-serif}
.toast-success{background:#059669}.toast-error{background:#dc2626}@keyframes si{from{transform:translateX(100%);opacity:0}to{transform:translateX(0);opacity:1}}
@media(max-width:768px){.sidebar{display:none}.sidebar.open{display:flex;width:260px}.main-content{margin-left:0;padding:70px 16px 100px}.mobile-header{display:flex}.mobile-nav{display:flex}.stats-grid{grid-template-columns:1fr 1fr}.form-row{flex-direction:column}}
@media(max-width:480px){.stats-grid{grid-template-columns:1fr}.login-card{padding:24px}}