:root{--color-bg: #0a0a0f;--color-bg-card: #12121a;--color-bg-elevated: #1a1a24;--color-border: #2a2a3a;--color-text: #f0f0f5;--color-text-muted: #8888a0;--color-primary: #6366f1;--color-primary-hover: #818cf8;--color-success: #22c55e;--color-warning: #f59e0b;--color-error: #ef4444;--gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);--gradient-success: linear-gradient(135deg, #22c55e 0%, #10b981 100%);--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);--shadow-md: 0 4px 6px rgba(0, 0, 0, .4);--shadow-lg: 0 10px 15px rgba(0, 0, 0, .5);--shadow-glow: 0 0 20px rgba(99, 102, 241, .3);--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono: "JetBrains Mono", "Fira Code", monospace}*{margin:0;padding:0;box-sizing:border-box}html{font-size:16px}body{font-family:var(--font-sans);background:var(--color-bg);color:var(--color-text);line-height:1.6;min-height:100vh}.app{display:flex;min-height:100vh}.sidebar{width:260px;background:var(--color-bg-card);border-right:1px solid var(--color-border);padding:var(--spacing-lg);display:flex;flex-direction:column}.sidebar-logo{font-size:1.25rem;font-weight:700;background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:var(--spacing-xl);display:flex;align-items:center;gap:var(--spacing-sm)}.sidebar-nav{display:flex;flex-direction:column;gap:var(--spacing-xs)}.nav-link{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-md);border-radius:var(--radius-md);color:var(--color-text-muted);text-decoration:none;transition:all .2s ease}.nav-link:hover{background:var(--color-bg-elevated);color:var(--color-text)}.nav-link.active{background:var(--gradient-primary);color:#fff;box-shadow:var(--shadow-glow)}.main-content{flex:1;padding:var(--spacing-xl);overflow-y:auto}h1{font-size:1.75rem;font-weight:700;margin-bottom:var(--spacing-lg)}h2{font-size:1.25rem;font-weight:600;margin-bottom:var(--spacing-md)}.card{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--spacing-lg);margin-bottom:var(--spacing-lg)}.card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--spacing-md)}.btn{display:inline-flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-lg);border:none;border-radius:var(--radius-md);font-size:.875rem;font-weight:500;cursor:pointer;transition:all .2s ease}.btn-primary{background:var(--gradient-primary);color:#fff;box-shadow:var(--shadow-sm)}.btn-primary:hover{transform:translateY(-1px);box-shadow:var(--shadow-glow)}.btn-secondary{background:var(--color-bg-elevated);color:var(--color-text);border:1px solid var(--color-border)}.btn-secondary:hover{background:var(--color-border)}.btn-success{background:var(--gradient-success);color:#fff}.btn-danger{background:var(--color-error);color:#fff}.btn-sm{padding:var(--spacing-xs) var(--spacing-md);font-size:.75rem}.form-group{margin-bottom:var(--spacing-lg)}.form-label{display:block;font-size:.875rem;font-weight:500;color:var(--color-text-muted);margin-bottom:var(--spacing-xs)}.form-input,.form-textarea{width:100%;padding:var(--spacing-sm) var(--spacing-md);background:var(--color-bg-elevated);border:1px solid var(--color-border);border-radius:var(--radius-md);color:var(--color-text);font-size:.875rem;transition:border-color .2s ease}.form-input:focus,.form-textarea:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #6366f11a}.form-textarea{min-height:100px;resize:vertical;font-family:var(--font-mono)}.form-hint{font-size:.75rem;color:var(--color-text-muted);margin-top:var(--spacing-xs)}.badge{display:inline-flex;align-items:center;gap:var(--spacing-xs);padding:var(--spacing-xs) var(--spacing-sm);border-radius:var(--radius-sm);font-size:.75rem;font-weight:500;text-transform:uppercase}.badge-draft{background:#8888a033;color:var(--color-text-muted)}.badge-running{background:#6366f133;color:var(--color-primary);animation:pulse 2s infinite}.badge-paused{background:#f59e0b33;color:var(--color-warning)}.badge-completed{background:#22c55e33;color:var(--color-success)}@keyframes pulse{0%,to{opacity:1}50%{opacity:.7}}.table{width:100%;border-collapse:collapse}.table th,.table td{text-align:left;padding:var(--spacing-md);border-bottom:1px solid var(--color-border)}.table th{font-size:.75rem;font-weight:600;text-transform:uppercase;color:var(--color-text-muted)}.table tbody tr:hover{background:var(--color-bg-elevated)}.progress{height:8px;background:var(--color-bg-elevated);border-radius:4px;overflow:hidden}.progress-bar{height:100%;background:var(--gradient-primary);transition:width .3s ease}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:var(--spacing-lg);margin-bottom:var(--spacing-lg)}.stat-card{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--spacing-lg)}.stat-label{font-size:.75rem;color:var(--color-text-muted);text-transform:uppercase;margin-bottom:var(--spacing-xs)}.stat-value{font-size:1.5rem;font-weight:700}.stat-value.success{color:var(--color-success)}.stat-value.warning{color:var(--color-warning)}.stat-value.error{color:var(--color-error)}.file-upload{border:2px dashed var(--color-border);border-radius:var(--radius-lg);padding:var(--spacing-xl);text-align:center;cursor:pointer;transition:all .2s ease}.file-upload:hover{border-color:var(--color-primary);background:#6366f10d}.file-upload.drag-over{border-color:var(--color-primary);background:#6366f11a}.alert{padding:var(--spacing-md);border-radius:var(--radius-md);margin-bottom:var(--spacing-lg)}.alert-success{background:#22c55e1a;border:1px solid var(--color-success);color:var(--color-success)}.alert-warning{background:#f59e0b1a;border:1px solid var(--color-warning);color:var(--color-warning)}.alert-error{background:#ef44441a;border:1px solid var(--color-error);color:var(--color-error)}.loading{display:flex;align-items:center;justify-content:center;padding:var(--spacing-xl)}.spinner{width:24px;height:24px;border:2px solid var(--color-border);border-top-color:var(--color-primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.step-indicator{display:flex;align-items:center;justify-content:center;gap:0;padding:var(--spacing-lg) 0;margin-bottom:var(--spacing-lg)}.step-item{display:flex;align-items:center;gap:var(--spacing-sm)}.step-circle{width:32px;height:32px;border-radius:50%;background:var(--color-bg-elevated);border:2px solid var(--color-border);display:flex;align-items:center;justify-content:center;font-size:.875rem;font-weight:600;color:var(--color-text-muted);transition:all .3s ease}.step-circle.completed{background:var(--color-success);border-color:var(--color-success);color:#fff}.step-circle.current{background:var(--gradient-primary);border-color:var(--color-primary);color:#fff;box-shadow:var(--shadow-glow)}.step-label{font-size:.875rem;font-weight:500;color:var(--color-text-muted)}.step-label.current{color:var(--color-text)}.step-label.upcoming{color:var(--color-text-muted);opacity:.6}.step-line{width:60px;height:2px;background:var(--color-border);margin:0 var(--spacing-sm)}.step-line.completed{background:var(--color-success)}.new-campaign-page{max-width:800px;margin:0 auto}.back-link{display:inline-flex;align-items:center;gap:var(--spacing-sm);color:var(--color-text-muted);text-decoration:none;font-size:.875rem;margin-bottom:var(--spacing-lg);transition:color .2s}.back-link:hover{color:var(--color-text)}.wizard-content{padding:var(--spacing-xl)}.step-content h2{font-size:1.25rem;font-weight:600;margin-bottom:var(--spacing-xl);color:var(--color-text)}.wizard-nav{display:flex;justify-content:space-between;gap:var(--spacing-md);margin-top:var(--spacing-lg)}.upload-zone{border:2px dashed var(--color-border);border-radius:var(--radius-lg);transition:all .2s ease}.upload-zone:hover{border-color:var(--color-primary);background:#6366f10d}.upload-label{display:block;padding:var(--spacing-xl);text-align:center;cursor:pointer}.upload-prompt{display:flex;flex-direction:column;align-items:center;gap:var(--spacing-sm);color:var(--color-text-muted)}.upload-icon{font-size:2rem}.upload-result{display:flex;flex-direction:column;align-items:center;gap:var(--spacing-xs)}.upload-result .success{font-size:1.5rem;color:var(--color-success)}.upload-result .error{font-size:1.5rem;color:var(--color-error)}.muted{color:var(--color-text-muted);font-size:.75rem}.validation-errors{background:#ef44441a;border:1px solid var(--color-error);border-radius:var(--radius-md);padding:var(--spacing-md);margin-top:var(--spacing-md)}.validation-title{color:var(--color-error);font-size:.875rem;font-weight:500;margin-bottom:var(--spacing-sm)}.validation-errors ul{list-style:none;font-size:.75rem;color:var(--color-text-muted)}.validation-errors li{padding:var(--spacing-xs) 0}.validation-errors code{background:var(--color-bg-elevated);padding:.125rem .375rem;border-radius:3px;font-family:var(--font-mono)}.detected-columns{margin-top:var(--spacing-md)}.column-tags{display:flex;flex-wrap:wrap;gap:var(--spacing-xs);margin-top:var(--spacing-sm)}.column-tag{display:inline-block;padding:var(--spacing-xs) var(--spacing-sm);background:var(--color-bg-elevated);border:1px solid var(--color-border);border-radius:var(--radius-sm);font-size:.75rem;font-family:var(--font-mono);color:var(--color-primary)}.form-label-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--spacing-xs)}.variable-buttons{margin-top:var(--spacing-md)}.button-group{display:flex;flex-wrap:wrap;gap:var(--spacing-xs);margin-top:var(--spacing-sm)}.btn-outline{background:transparent;border:1px solid var(--color-border);color:var(--color-text-muted)}.btn-outline:hover{border-color:var(--color-primary);color:var(--color-primary)}.btn-warning{background:var(--color-warning);color:#000}.btn-warning:hover{background:#f5a623}.btn-link{background:transparent;border:none;color:var(--color-primary);padding:0;cursor:pointer;text-decoration:underline}.sms-counter{font-size:.75rem;color:var(--color-text-muted);display:flex;align-items:center;gap:var(--spacing-xs)}.sms-counter-chars{color:var(--color-text);font-weight:600}.sms-counter-divider{opacity:.5}.sms-counter-segments{color:var(--color-primary)}.sms-counter-unicode{margin-left:var(--spacing-xs)}.message-preview{margin-top:var(--spacing-lg)}.preview-box{background:var(--color-bg-elevated);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:var(--spacing-md);font-family:var(--font-mono);font-size:.875rem;white-space:pre-wrap;word-break:break-word}.test-section{background:var(--color-bg-elevated);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--spacing-lg);margin-bottom:var(--spacing-lg)}.test-section.success{border-color:var(--color-success);background:#22c55e1a}.test-section h3{font-size:1rem;font-weight:600;margin-bottom:var(--spacing-md)}.test-form{display:flex;flex-direction:column;gap:var(--spacing-md)}.input-group{display:flex;gap:var(--spacing-sm)}.input-group .form-input{flex:1}.campaign-summary{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--spacing-lg);margin-bottom:var(--spacing-lg)}.campaign-summary h3{font-size:1rem;font-weight:600;margin-bottom:var(--spacing-md)}.summary-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:var(--spacing-md)}.summary-item{display:flex;flex-direction:column;gap:var(--spacing-xs)}.summary-label{font-size:.75rem;color:var(--color-text-muted);text-transform:uppercase}.summary-value{font-size:1rem;font-weight:600;color:var(--color-text)}.summary-item.highlight .summary-value{color:var(--color-primary);font-size:1.25rem}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#000000b3;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:1000;padding:var(--spacing-lg)}.modal-content{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-xl);padding:var(--spacing-xl);max-width:480px;width:100%;box-shadow:var(--shadow-lg)}.modal-title{font-size:1.25rem;font-weight:600;margin-bottom:var(--spacing-md)}.modal-body{color:var(--color-text-muted);margin-bottom:var(--spacing-lg)}.modal-actions{display:flex;justify-content:flex-end;gap:var(--spacing-sm)}.confirm-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--spacing-md);margin:var(--spacing-lg) 0;text-align:center}.confirm-stat{display:flex;flex-direction:column;gap:var(--spacing-xs)}.confirm-stat-value{font-size:1.5rem;font-weight:700;color:var(--color-text)}.confirm-stat-label{font-size:.75rem;color:var(--color-text-muted);text-transform:uppercase}.confirm-stat.highlight .confirm-stat-value{color:var(--color-primary);font-size:2rem}.confirm-warning{font-size:.875rem;color:var(--color-warning);padding:var(--spacing-md);background:#f59e0b1a;border-radius:var(--radius-md);margin-top:var(--spacing-md)}.status-badge{display:inline-flex;align-items:center;gap:var(--spacing-xs);padding:var(--spacing-xs) var(--spacing-sm);border-radius:var(--radius-sm);font-size:.75rem;font-weight:500;text-transform:capitalize}.status-badge-sm{padding:.125rem .375rem;font-size:.625rem}.status-badge.pulse{animation:pulse 2s infinite}.status-dot{width:6px;height:6px;background:currentColor;border-radius:50%;animation:pulse 1.5s infinite}.progress-bar-container{width:100%}.progress-bar-sm{height:4px}.progress-bar-md{height:8px}.progress-bar-lg{height:12px}.progress-segment{height:100%;transition:width .3s ease}.progress-fill{height:100%;background:var(--gradient-primary);transition:width .3s ease}.progress-labels{display:flex;gap:var(--spacing-md);margin-top:var(--spacing-sm)}.progress-label{display:flex;align-items:center;gap:var(--spacing-xs);font-size:.75rem;color:var(--color-text-muted)}.progress-label-dot{width:8px;height:8px;border-radius:50%}.small{font-size:.75rem}.text-center{text-align:center}.mt-lg{margin-top:var(--spacing-lg)}.mb-lg{margin-bottom:var(--spacing-lg)}:root{--color-info: #3b82f6}