@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap";
:root{--bg-primary:#0a0a12;--bg-secondary:#12121e;--bg-card:#161626d9;--bg-card-hover:#1c1c30f2;--bg-input:#12121ee6;--bg-glass:#ffffff08;--border-color:#ffffff0f;--border-hover:#ffffff1f;--text-primary:#e8e8f0;--text-secondary:#8888a8;--text-muted:#5a5a78;--accent-gradient:linear-gradient(135deg,#7c3aed,#3b82f6);--accent-primary:#7c3aed;--accent-secondary:#3b82f6;--accent-glow:#7c3aed40;--success:#10b981;--warning:#f59e0b;--danger:#ef4444;--info:#3b82f6;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:24px;--shadow-sm:0 2px 8px #0003;--shadow-md:0 4px 16px #0000004d;--shadow-lg:0 8px 32px #0006;--shadow-glow:0 0 20px var(--accent-glow);--font-sans:"Inter",-apple-system,BlinkMacSystemFont,sans-serif;--sidebar-width:260px;--transition:.2s ease}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html,body{font-family:var(--font-sans);background:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased;min-height:100vh;line-height:1.6}a{color:var(--accent-secondary);transition:color var(--transition);text-decoration:none}a:hover{color:var(--accent-primary)}.btn{border-radius:var(--radius-sm);font-family:var(--font-sans);cursor:pointer;transition:all var(--transition);white-space:nowrap;border:none;align-items:center;gap:8px;padding:10px 20px;font-size:14px;font-weight:500;display:inline-flex}.btn-primary{background:var(--accent-gradient);color:#fff;box-shadow:var(--shadow-glow)}.btn-primary:hover{box-shadow:0 0 30px var(--accent-glow);transform:translateY(-1px)}.btn-secondary{background:var(--bg-card);color:var(--text-primary);border:1px solid var(--border-color)}.btn-secondary:hover{border-color:var(--border-hover);background:var(--bg-card-hover)}.btn-danger{color:var(--danger);background:#ef444426;border:1px solid #ef444433}.btn-danger:hover{background:#ef444440}.btn-sm{padding:6px 12px;font-size:13px}.btn-lg{padding:14px 28px;font-size:16px}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none!important}.input-group{flex-direction:column;gap:6px;display:flex}.input-group label{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;font-size:13px;font-weight:500}.input{background:var(--bg-input);border:1px solid var(--border-color);border-radius:var(--radius-sm);color:var(--text-primary);font-family:var(--font-sans);transition:all var(--transition);outline:none;width:100%;padding:12px 16px;font-size:14px}.input:focus{border-color:var(--accent-primary);box-shadow:0 0 0 3px var(--accent-glow)}.input::placeholder{color:var(--text-muted)}textarea.input{resize:vertical;min-height:120px}select.input{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%238888a8' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");background-position:right 12px center;background-repeat:no-repeat;padding-right:36px}.card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);transition:all var(--transition);padding:24px}.card:hover{border-color:var(--border-hover)}.stat-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);padding:24px;transition:all .3s;position:relative;overflow:hidden}.stat-card:before{content:"";background:var(--accent-gradient);opacity:0;height:3px;transition:opacity .3s;position:absolute;top:0;left:0;right:0}.stat-card:hover:before{opacity:1}.stat-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.stat-value{background:var(--accent-gradient);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin-bottom:4px;font-size:32px;font-weight:700}.stat-label{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;font-size:13px}.table-container{border-radius:var(--radius-md);border:1px solid var(--border-color);overflow-x:auto}table{border-collapse:collapse;width:100%}th{text-align:left;text-transform:uppercase;letter-spacing:.5px;color:var(--text-secondary);background:var(--bg-secondary);border-bottom:1px solid var(--border-color);padding:14px 16px;font-size:12px;font-weight:600}td{border-bottom:1px solid var(--border-color);padding:14px 16px;font-size:14px}tr:last-child td{border-bottom:none}tr:hover td{background:var(--bg-glass)}.badge{text-transform:uppercase;letter-spacing:.3px;border-radius:20px;align-items:center;padding:4px 10px;font-size:12px;font-weight:600;display:inline-flex}.badge-draft{color:var(--text-secondary);background:#8888a826}.badge-sending{color:var(--info);background:#3b82f626}.badge-sent{color:var(--success);background:#10b98126}.badge-failed{color:var(--danger);background:#ef444426}.badge-scheduled{color:var(--warning);background:#f59e0b26}.page-header{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;margin-bottom:32px;display:flex}.page-header h1{letter-spacing:-.5px;font-size:28px;font-weight:700}.page-header p{color:var(--text-secondary);margin-top:4px}.grid-2{grid-template-columns:repeat(2,1fr);gap:16px;display:grid}.grid-3{grid-template-columns:repeat(3,1fr);gap:16px;display:grid}.grid-4{grid-template-columns:repeat(4,1fr);gap:16px;display:grid}.grid-5{grid-template-columns:repeat(5,1fr);gap:16px;display:grid}@media (max-width:1024px){.grid-4,.grid-5,.grid-3{grid-template-columns:repeat(2,1fr)}}@media (max-width:768px){.grid-2,.grid-3,.grid-4,.grid-5{grid-template-columns:1fr}}.alert{border-radius:var(--radius-sm);margin-bottom:16px;padding:14px 18px;font-size:14px}.alert-success{color:var(--success);background:#10b9811a;border:1px solid #10b98133}.alert-error{color:var(--danger);background:#ef44441a;border:1px solid #ef444433}.alert-info{color:var(--info);background:#3b82f61a;border:1px solid #3b82f633}.empty-state{text-align:center;color:var(--text-secondary);padding:60px 20px}.empty-state h3{color:var(--text-primary);margin-bottom:8px;font-size:20px}.empty-state p{margin-bottom:20px}.spinner{border:2px solid var(--border-color);border-top-color:var(--accent-primary);border-radius:50%;width:20px;height:20px;animation:.6s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.loading-page{justify-content:center;align-items:center;min-height:400px;display:flex}.app-layout{min-height:100vh;display:flex}.sidebar{width:var(--sidebar-width);background:var(--bg-secondary);border-right:1px solid var(--border-color);z-index:100;flex-direction:column;padding:24px 0;display:flex;position:fixed;top:0;bottom:0;left:0;overflow-y:auto}.sidebar-logo{border-bottom:1px solid var(--border-color);margin-bottom:16px;padding:0 24px 28px}.sidebar-logo h2{background:var(--accent-gradient);-webkit-text-fill-color:transparent;letter-spacing:-.5px;-webkit-background-clip:text;background-clip:text;font-size:20px;font-weight:800}.sidebar-logo span{color:var(--text-muted);text-transform:uppercase;letter-spacing:1px;font-size:11px}.sidebar-nav{flex-direction:column;flex:1;gap:2px;padding:0 12px;display:flex}.sidebar-link{border-radius:var(--radius-sm);color:var(--text-secondary);transition:all var(--transition);align-items:center;gap:12px;padding:11px 16px;font-size:14px;font-weight:500;text-decoration:none;display:flex}.sidebar-link:hover{background:var(--bg-glass);color:var(--text-primary)}.sidebar-link.active{color:var(--accent-primary);background:#7c3aed1f}.sidebar-link svg{opacity:.7;flex-shrink:0;width:18px;height:18px}.sidebar-link.active svg{opacity:1}.sidebar-footer{border-top:1px solid var(--border-color);margin-top:auto;padding:16px 12px}.sidebar-user{border-radius:var(--radius-sm);cursor:pointer;transition:background var(--transition);align-items:center;gap:12px;padding:10px 16px;display:flex}.sidebar-user:hover{background:var(--bg-glass)}.sidebar-avatar{background:var(--accent-gradient);color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;font-size:14px;font-weight:700;display:flex}.sidebar-user-info{overflow:hidden}.sidebar-user-name{white-space:nowrap;text-overflow:ellipsis;font-size:14px;font-weight:600;overflow:hidden}.sidebar-user-email{color:var(--text-muted);white-space:nowrap;text-overflow:ellipsis;font-size:12px;overflow:hidden}.main-content{margin-left:var(--sidebar-width);flex:1;min-height:100vh;padding:32px 40px}.auth-page{background:var(--bg-primary);justify-content:center;align-items:center;min-height:100vh;padding:20px;display:flex}.auth-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);width:100%;max-width:420px;box-shadow:var(--shadow-lg);padding:40px}.auth-card h1{text-align:center;background:var(--accent-gradient);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin-bottom:4px;font-size:28px;font-weight:800}.auth-card p{text-align:center;color:var(--text-secondary);margin-bottom:32px;font-size:14px}.auth-form{flex-direction:column;gap:20px;display:flex}.auth-form .btn{justify-content:center;width:100%;margin-top:8px;padding:14px;font-size:15px}.auth-footer{text-align:center;color:var(--text-secondary);margin-top:24px;font-size:14px}.html-editor{background:var(--bg-input);border:1px solid var(--border-color);border-radius:var(--radius-sm);width:100%;min-height:400px;color:var(--text-primary);resize:vertical;outline:none;padding:16px;font-family:Fira Code,Consolas,monospace;font-size:13px;line-height:1.5}.html-editor:focus{border-color:var(--accent-primary);box-shadow:0 0 0 3px var(--accent-glow)}.preview-frame{border:1px solid var(--border-color);border-radius:var(--radius-sm);background:#fff;width:100%;min-height:400px}.tabs{border-bottom:1px solid var(--border-color);gap:0;margin-bottom:0;display:flex}.tab{color:var(--text-secondary);cursor:pointer;transition:all var(--transition);font-size:14px;font-weight:500;font-family:var(--font-sans);background:0 0;border:none;border-bottom:2px solid #0000;padding:10px 24px}.tab:hover{color:var(--text-primary)}.tab.active{color:var(--accent-primary);border-bottom-color:var(--accent-primary)}.modal-overlay{z-index:1000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#0009;justify-content:center;align-items:center;animation:.15s fadeIn;display:flex;position:fixed;inset:0}.modal{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-lg);width:90%;max-width:500px;max-height:80vh;padding:32px;animation:.2s slideUp;overflow-y:auto}.modal h2{margin-bottom:20px;font-size:20px}.modal-actions{justify-content:flex-end;gap:12px;margin-top:24px;display:flex}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.progress-bar{background:var(--bg-input);border-radius:3px;width:100%;height:6px;overflow:hidden}.progress-fill{background:var(--accent-gradient);border-radius:3px;height:100%;transition:width .5s}@media (max-width:768px){.sidebar{transform:translate(-100%)}.main-content{margin-left:0;padding:24px 16px}.page-header h1{font-size:22px}}