:root{--primary:#0055CC;--primary-dark:#003A7A;--primary-light:#E8F0FE;--success:#1D9E75;--warning:#BA7517;--danger:#DC2626;--info:#0891B2;--bg:#F0F4F8;--bg-card:#FFFFFF;--sidebar-bg:#003A7A;--sidebar-text:#CBD5E1;--text:#1E293B;--text-muted:#64748B;--border:#E2E8F0;--shadow:0 1px 3px rgba(0,0,0,0.1);--radius:8px;--sidebar-width:240px;--topbar-height:60px;--font:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif}
.dark-theme{--bg:#0F172A;--bg-card:#1E293B;--text:#E2E8F0;--text-muted:#94A3B8;--border:#334155;--shadow:0 1px 3px rgba(0,0,0,0.3)}
*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font);background:var(--bg);color:var(--text);font-size:14px}a{color:var(--primary);text-decoration:none}
.app-wrapper{display:flex;min-height:100vh}.sidebar{width:var(--sidebar-width);background:var(--sidebar-bg);color:var(--sidebar-text);display:flex;flex-direction:column;position:fixed;top:0;left:0;height:100vh;z-index:100;transition:transform .3s}
.main-content{margin-left:var(--sidebar-width);flex:1;display:flex;flex-direction:column;min-height:100vh}.sidebar-collapsed .sidebar{transform:translateX(-100%)}.sidebar-collapsed .main-content{margin-left:0}
.sidebar-logo{padding:20px 16px;border-bottom:1px solid rgba(255,255,255,0.1);display:flex;align-items:center;gap:10px}.sidebar-logo img{height:32px}.sidebar-logo span{font-size:15px;font-weight:600;color:#fff;white-space:nowrap;overflow:hidden}
.sidebar-nav{flex:1;overflow-y:auto;padding:8px 0}.sidebar-nav a{display:flex;align-items:center;gap:10px;padding:10px 16px;color:var(--sidebar-text);transition:all .2s;border-left:3px solid transparent;font-size:13px}.sidebar-nav a:hover{background:rgba(255,255,255,0.1);color:#fff;text-decoration:none}.sidebar-nav a.active{background:rgba(255,255,255,0.15);color:#fff;border-left-color:#fff}.sidebar-nav a i{width:18px;text-align:center}
.nav-section{padding:12px 16px 4px;font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:1px;color:rgba(255,255,255,0.4)}
.sidebar-footer{padding:12px 16px;border-top:1px solid rgba(255,255,255,0.1);display:flex;align-items:center;gap:8px}.user-info{flex:1;overflow:hidden}.user-info strong{display:block;font-size:13px;color:#fff;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.user-info small{font-size:11px;color:rgba(255,255,255,0.5)}
.btn-logout{background:none;border:none;color:rgba(255,255,255,0.5);cursor:pointer;padding:6px;border-radius:4px;font-size:16px}.btn-logout:hover{color:#fff}
.topbar{height:var(--topbar-height);background:var(--bg-card);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 20px;position:sticky;top:0;z-index:50;box-shadow:var(--shadow)}
.sidebar-toggle{background:none;border:none;font-size:18px;cursor:pointer;color:var(--text-muted);padding:6px}.topbar-right{display:flex;align-items:center;gap:16px}.theme-toggle{background:none;border:1px solid var(--border);border-radius:6px;padding:6px 10px;cursor:pointer;color:var(--text-muted);font-size:14px}.topbar-user{font-size:13px;font-weight:500}
.content-area{flex:1;padding:24px;max-width:1400px;width:100%}.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;flex-wrap:wrap;gap:12px}.page-header h1{font-size:22px;font-weight:600}.page-header h1 i{margin-right:8px;color:var(--primary)}.page-header p{color:var(--text-muted);font-size:14px;margin-top:2px}
.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:20px}.card-header{padding:16px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}.card-header h3{font-size:15px;font-weight:600}.card-header h3 i{margin-right:8px;color:var(--primary)}.card-body{padding:20px}
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:24px}.stat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;display:flex;align-items:center;gap:16px;box-shadow:var(--shadow)}
.stat-icon{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0}.stat-icon.blue{background:#EBF3FF;color:#0055CC}.stat-icon.green{background:#ECFDF5;color:#1D9E75}.stat-icon.purple{background:#F5F3FF;color:#7C3AED}.stat-icon.orange{background:#FFF7ED;color:#EA580C}
.stat-value{font-size:24px;font-weight:700;line-height:1}.stat-label{font-size:12px;color:var(--text-muted);margin-top:4px}
.dashboard-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}@media(max-width:900px){.dashboard-grid{grid-template-columns:1fr}}
.quick-actions{margin-bottom:24px}.quick-actions h3{font-size:16px;font-weight:600;margin-bottom:12px}.actions-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:12px}
.action-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:20px 12px;text-align:center;color:var(--text);transition:all .2s;display:flex;flex-direction:column;align-items:center;gap:8px;box-shadow:var(--shadow)}.action-card:hover{border-color:var(--primary);transform:translateY(-1px);text-decoration:none;color:var(--primary)}.action-card i{font-size:28px;color:var(--primary)}.action-card span{font-size:12px;font-weight:500}
.table{width:100%;border-collapse:collapse;font-size:13px}.table th,.table td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--border)}.table th{font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);background:var(--bg)}.table-hover tr:hover td{background:var(--primary-light)}.text-center{text-align:center}.text-muted{color:var(--text-muted)}
.info-table{width:100%;border-collapse:collapse}.info-table th{width:35%;padding:10px;font-weight:600;color:var(--text-muted);font-size:13px;border-bottom:1px solid var(--border);text-align:left}.info-table td{padding:10px;border-bottom:1px solid var(--border);font-size:13px}
.badge{padding:3px 8px;border-radius:99px;font-size:11px;font-weight:600;display:inline-block}.badge-success{background:#ECFDF5;color:#1D9E75}.badge-warning{background:#FFFBEB;color:#BA7517}.badge-danger{background:#FEF2F2;color:#DC2626}.badge-info{background:#F0FDFF;color:#0891B2}.badge-secondary{background:#F1F5F9;color:#64748B}
.channel-badge{padding:2px 8px;border-radius:4px;font-size:11px;font-weight:700}.channel-sms,.channel-unicode,.channel-flash,.channel-mms{background:#EBF3FF;color:#0055CC}.channel-whatsapp{background:#ECFDF5;color:#25D366}.channel-voice{background:#FFF7ED;color:#EA580C}.channel-email{background:#FDF4FF;color:#9333EA}.channel-rcs{background:#F0FDFF;color:#0891B2}
.btn{padding:8px 16px;border-radius:6px;border:none;cursor:pointer;font-size:13px;font-weight:500;display:inline-flex;align-items:center;gap:6px;transition:all .2s;text-decoration:none}.btn:hover{text-decoration:none;opacity:.9}.btn-primary{background:var(--primary);color:#fff}.btn-secondary{background:var(--bg);border:1px solid var(--border);color:var(--text)}.btn-success{background:var(--success);color:#fff}.btn-danger{background:var(--danger);color:#fff}.btn-warning{background:var(--warning);color:#fff}.btn-info{background:var(--info);color:#fff}.btn-outline{background:transparent;border:1px solid var(--primary);color:var(--primary)}.btn-full{width:100%;justify-content:center}.btn-sm{padding:4px 10px;font-size:12px}.mt-2{margin-top:8px}
.form-group{margin-bottom:16px}.form-group label{display:block;font-size:13px;font-weight:500;margin-bottom:6px}.form-control,.form-group input:not([type=checkbox]):not([type=radio]):not([type=color]),.form-group select,.form-group textarea{width:100%;padding:8px 12px;border:1px solid var(--border);border-radius:6px;font-size:13px;background:var(--bg-card);color:var(--text);transition:border-color .2s;font-family:inherit}.form-control:focus,input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(0,85,204,0.1)}.form-control-color{height:40px;padding:2px;cursor:pointer;width:60px}.form-row-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}.form-row{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.form-actions{display:flex;gap:10px;margin-top:20px}.checkbox-label{display:flex;align-items:center;gap:6px;font-size:13px;cursor:pointer}.link-forgot{font-size:13px;color:var(--primary)}
.input-icon{position:relative}.input-icon i{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--text-muted);font-size:14px}.input-icon input{padding-left:36px}.toggle-pass{position:absolute;right:10px;top:50%;transform:translateY(-50%);background:none;border:none;cursor:pointer;color:var(--text-muted);font-size:14px}
.auth-body{min-height:100vh;background:linear-gradient(135deg,var(--primary-dark) 0%,var(--primary) 100%);display:flex;align-items:center;justify-content:center;padding:20px}.auth-container{width:100%;max-width:420px}.auth-card{background:#fff;border-radius:12px;padding:36px;box-shadow:0 20px 60px rgba(0,0,0,0.2)}.auth-logo{text-align:center;margin-bottom:24px}.auth-logo img{height:56px;margin-bottom:8px}.auth-logo h2{font-size:20px;color:#1E293B;margin:0}.auth-card h3{font-size:18px;font-weight:700;margin-bottom:4px;text-align:center}.auth-subtitle{color:#64748B;text-align:center;font-size:13px;margin-bottom:20px}.auth-footer{text-align:center;font-size:13px;color:#64748B;margin-top:20px}
.alert{padding:12px 16px;border-radius:6px;margin-bottom:16px;display:flex;align-items:flex-start;gap:8px;font-size:13px}.alert i{margin-top:1px;flex-shrink:0}.alert-success{background:#ECFDF5;border:1px solid #A7F3D0;color:#1D9E75}.alert-error{background:#FEF2F2;border:1px solid #FECACA;color:#DC2626}.alert-warning{background:#FFFBEB;border:1px solid #FDE68A;color:#BA7517}.alert-info{background:#F0FDFF;border:1px solid #BAE6FD;color:#0891B2}.alert p{margin:2px 0}
.filter-bar{display:flex;gap:10px;margin-bottom:16px;flex-wrap:wrap}.filter-bar input,.filter-bar select{border:1px solid var(--border);border-radius:6px;padding:7px 12px;font-size:13px;background:var(--bg-card);color:var(--text)}.filter-bar input{min-width:240px;flex:1}
.user-cell{display:flex;align-items:center;gap:8px}.avatar{width:36px;height:36px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:14px;flex-shrink:0}.avatar-sm{width:28px;height:28px;border-radius:50%;background:var(--primary-dark);color:#fff;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:600}
.balance-display{text-align:center;padding:16px}.balance-amount{font-size:36px;font-weight:700;color:var(--primary)}.balance-label{color:var(--text-muted);font-size:13px}
.action-buttons{display:flex;gap:4px}
.settings-tabs .tab-nav{display:flex;gap:4px;margin-bottom:20px;border-bottom:1px solid var(--border);padding-bottom:0}.tab-btn{background:none;border:none;padding:10px 18px;cursor:pointer;font-size:13px;font-weight:500;color:var(--text-muted);border-bottom:2px solid transparent;margin-bottom:-1px;transition:all .2s}.tab-btn.active,.tab-btn:hover{color:var(--primary);border-bottom-color:var(--primary)}.tab-content{display:none}.tab-content.active{display:block}
.toggles-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px;margin-bottom:16px}.toggle-label{display:flex;align-items:center;gap:8px;cursor:pointer;font-size:13px}
.impersonate-bar{background:#F59E0B;color:#fff;padding:8px 20px;display:flex;align-items:center;gap:10px;font-size:13px;font-weight:500;position:sticky;top:0;z-index:200}.btn-stop-impersonate{margin-left:auto;background:rgba(0,0,0,0.2);color:#fff;border:none;padding:4px 12px;border-radius:4px;cursor:pointer;font-size:12px;font-weight:600}
hr{border:none;border-top:1px solid var(--border);margin:16px 0}h4{font-size:14px;font-weight:600;margin-bottom:12px}
@media(max-width:768px){.sidebar{transform:translateX(-100%)}.main-content{margin-left:0}.app-wrapper:not(.sidebar-collapsed) .sidebar{transform:translateX(0)}.form-row-2{grid-template-columns:1fr}.stats-grid{grid-template-columns:1fr 1fr}.content-area{padding:16px}}
@media(max-width:480px){.stats-grid{grid-template-columns:1fr}.auth-card{padding:24px}}
.dark-theme .auth-card{background:#1E293B;color:#E2E8F0}.dark-theme .auth-card h3,.dark-theme .auth-logo h2{color:#E2E8F0}.dark-theme input,.dark-theme select,.dark-theme textarea{background:#0F172A;border-color:#334155;color:#E2E8F0}