* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
    color: #333;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background: white;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    padding: 40px;
}

header {
    text-align: center;
    margin-bottom: 40px;
    padding-bottom: 30px;
    border-bottom: 2px solid #f0f0f0;
}

header h1 {
    color: #667eea;
    font-size: 2.5em;
    margin-bottom: 10px;
}

.subtitle {
    color: #666;
    font-size: 1.1em;
}

.config-section,
.campaigns-section,
.actions-section {
    margin-bottom: 40px;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

h2 {
    color: #667eea;
    font-size: 1.8em;
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 25px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #555;
}

input[type="text"],
textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 1em;
    transition: border-color 0.3s;
    font-family: inherit;
}

input[type="text"]:focus,
textarea:focus {
    outline: none;
    border-color: #667eea;
}

textarea {
    resize: vertical;
    min-height: 100px;
}

small {
    display: block;
    margin-top: 5px;
    color: #888;
    font-size: 0.9em;
}

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 1em;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    font-family: inherit;
}

.btn-primary {
    background: #667eea;
    color: white;
}

.btn-primary:hover {
    background: #5568d3;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.btn-success {
    background: #10b981;
    color: white;
}

.btn-success:hover {
    background: #059669;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(16, 185, 129, 0.4);
}

.btn-secondary {
    background: #6b7280;
    color: white;
}

.btn-secondary:hover {
    background: #4b5563;
}

.btn-large {
    padding: 16px 32px;
    font-size: 1.1em;
}

.btn-danger {
    background: #ef4444;
    color: white;
}

.btn-danger:hover {
    background: #dc2626;
}

.campaign-card {
    background: #f9fafb;
    border: 2px solid #e5e7eb;
    border-radius: 12px;
    padding: 25px;
    margin-bottom: 20px;
    position: relative;
    transition: all 0.3s;
}

.campaign-card:hover {
    border-color: #667eea;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.campaign-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.campaign-header h3 {
    color: #667eea;
    font-size: 1.3em;
}

.remove-campaign {
    background: #ef4444;
    color: white;
    border: none;
    border-radius: 50%;
    width: 35px;
    height: 35px;
    cursor: pointer;
    font-size: 1.2em;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
}

.remove-campaign:hover {
    background: #dc2626;
    transform: scale(1.1);
}

.campaign-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.campaign-form.full-width {
    grid-column: 1 / -1;
}

.form-row {
    display: flex;
    gap: 15px;
}

.form-row .form-group {
    flex: 1;
}

.components-section {
    grid-column: 1 / -1;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 2px solid #e5e7eb;
}

.components-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.component-item {
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 15px;
}

.component-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.actions-section {
    text-align: center;
    display: flex;
    gap: 15px;
    justify-content: center;
}

.loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    color: white;
}

.loading.hidden {
    display: none;
}

.spinner {
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top: 4px solid white;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
    margin-bottom: 20px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.result-section {
    margin-top: 40px;
    padding: 25px;
    background: #f9fafb;
    border-radius: 12px;
    border: 2px solid #e5e7eb;
}

.result-section.hidden {
    display: none;
}

.result-section h3 {
    color: #667eea;
    margin-bottom: 20px;
}

.result-success {
    color: #10b981;
    font-weight: 600;
    margin-bottom: 15px;
}

.result-error {
    color: #ef4444;
    font-weight: 600;
    margin-bottom: 15px;
}

.campaign-list {
    margin-top: 20px;
}

.campaign-item {
    background: white;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 10px;
    border-left: 4px solid #667eea;
}

.error-list {
    margin-top: 20px;
    padding: 15px;
    background: #fee2e2;
    border-radius: 8px;
    border-left: 4px solid #ef4444;
}

.error-item {
    margin-bottom: 10px;
    padding: 10px;
    background: white;
    border-radius: 5px;
}

.hidden {
    display: none !important;
}

/* Estilos para sección de ver campañas */
.view-campaigns-section {
    margin-bottom: 40px;
    padding-bottom: 30px;
    border-bottom: 2px solid #f0f0f0;
}

.campaigns-list {
    margin-top: 20px;
}

.empty-message {
    text-align: center;
    color: #888;
    padding: 40px;
    font-style: italic;
}

.loading-campaigns {
    text-align: center;
    padding: 40px;
    color: #667eea;
    font-weight: 600;
}

.error-message {
    background: #fee2e2;
    color: #dc2626;
    padding: 15px;
    border-radius: 8px;
    border-left: 4px solid #dc2626;
}

/* Tarjeta de visualización de campaña */
.campaign-view-card {
    background: #f9fafb;
    border: 2px solid #e5e7eb;
    border-radius: 12px;
    padding: 25px;
    margin-bottom: 20px;
    transition: all 0.3s;
}

.campaign-view-card:hover {
    border-color: #667eea;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.campaign-view-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid #e5e7eb;
}

.campaign-title-section {
    flex: 1;
}

.campaign-title-section h3 {
    color: #667eea;
    margin-bottom: 10px;
    font-size: 1.5em;
}

.campaign-status {
    display: inline-block;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.9em;
    font-weight: 600;
}

.status-scheduled {
    background: #dbeafe;
    color: #1e40af;
}

.status-running {
    background: #fef3c7;
    color: #92400e;
}

.status-completed {
    background: #d1fae5;
    color: #065f46;
}

.status-failed {
    background: #fee2e2;
    color: #991b1b;
}

.status-cancelled {
    background: #f3f4f6;
    color: #374151;
}

.campaign-id {
    color: #888;
    font-size: 0.85em;
    font-family: monospace;
}

/* Grid de información */
.campaign-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-bottom: 20px;
}

.info-item {
    padding: 12px;
    background: white;
    border-radius: 8px;
    border: 1px solid #e5e7eb;
}

.info-item strong {
    color: #667eea;
    display: block;
    margin-bottom: 5px;
    font-size: 0.9em;
}

/* Barra de progreso */
.progress-bar-container {
    width: 100%;
    height: 25px;
    background: #e5e7eb;
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 20px;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, #667eea, #764ba2);
    transition: width 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.8em;
    font-weight: 600;
}

/* Información de tiempo */
.time-info {
    margin-bottom: 20px;
    padding: 15px;
    background: white;
    border-radius: 8px;
    border: 1px solid #e5e7eb;
}

.time-item {
    margin-bottom: 12px;
    padding-bottom: 12px;
    border-bottom: 1px solid #f3f4f6;
}

.time-item:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.time-item strong {
    color: #667eea;
    display: block;
    margin-bottom: 5px;
}

.time-value {
    color: #333;
    font-weight: 500;
}

.time-match {
    color: #10b981;
}

.time-diff {
    color: #f59e0b;
}

.time-match-note {
    color: #10b981;
    display: block;
    margin-top: 5px;
}

.time-diff-note {
    color: #f59e0b;
    display: block;
    margin-top: 5px;
}

/* Error box */
.error-box {
    background: #fee2e2;
    border-left: 4px solid #dc2626;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    color: #991b1b;
}

/* Lista de destinatarios */
.recipients-list {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 2px solid #e5e7eb;
}

.recipients-list h4 {
    color: #667eea;
    margin-bottom: 15px;
}

.recipient-item {
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    padding: 12px;
    margin-bottom: 10px;
    transition: all 0.3s;
}

.recipient-item:hover {
    border-color: #667eea;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.recipient-info {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}

.recipient-icon {
    font-size: 1.2em;
}

.recipient-number {
    flex: 1;
    font-weight: 600;
    color: #333;
}

.recipient-status {
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.8em;
    font-weight: 600;
    text-transform: uppercase;
}

.recipient-sent .recipient-status {
    background: #d1fae5;
    color: #065f46;
}

.recipient-failed .recipient-status {
    background: #fee2e2;
    color: #991b1b;
}

.recipient-blocked .recipient-status {
    background: #f3f4f6;
    color: #374151;
}

.recipient-pending .recipient-status {
    background: #fef3c7;
    color: #92400e;
}

.recipient-details {
    margin-left: 32px;
}

.recipient-details small {
    display: block;
    color: #666;
    font-size: 0.85em;
}

.error-msg {
    color: #dc2626 !important;
    font-weight: 600;
}

/* Estilos para modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    padding: 20px;
}

.modal.hidden {
    display: none;
}

.modal-content {
    background: white;
    border-radius: 16px;
    width: 100%;
    max-width: 1200px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 25px;
    border-bottom: 2px solid #e5e7eb;
}

.modal-header h2 {
    margin: 0;
    color: #667eea;
    font-size: 1.8em;
}

.modal-close {
    background: #ef4444;
    color: white;
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    font-size: 1.5em;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
}

.modal-close:hover {
    background: #dc2626;
    transform: scale(1.1);
}

.modal-body {
    padding: 25px;
    overflow-y: auto;
    flex: 1;
}

.modal-actions {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.search-input {
    flex: 1;
    min-width: 200px;
    padding: 12px;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 1em;
}

.filter-select {
    padding: 12px;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 1em;
    background: white;
    cursor: pointer;
}

/* Estadísticas de destinatarios */
.recipients-stats {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
    flex-wrap: wrap;
    padding: 15px;
    background: #f9fafb;
    border-radius: 8px;
}

.stat-item {
    padding: 10px 15px;
    background: white;
    border-radius: 8px;
    border: 1px solid #e5e7eb;
    font-size: 0.95em;
}

.stat-item strong {
    color: #667eea;
    display: block;
    margin-bottom: 5px;
}

.stat-sent {
    border-left: 4px solid #10b981;
}

.stat-failed {
    border-left: 4px solid #ef4444;
}

.stat-pending {
    border-left: 4px solid #f59e0b;
}

.stat-blocked {
    border-left: 4px solid #6b7280;
}

/* Tabla de destinatarios */
.recipients-table-container {
    overflow-x: auto;
    max-height: 500px;
    overflow-y: auto;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
}

.recipients-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
}

.recipients-table thead {
    position: sticky;
    top: 0;
    z-index: 10;
}

.recipients-table th {
    background: #667eea;
    color: white;
    padding: 15px;
    text-align: left;
    font-weight: 600;
    font-size: 0.9em;
}

.recipients-table td {
    padding: 12px 15px;
    border-bottom: 1px solid #f3f4f6;
}

.recipients-table tbody tr:hover {
    background: #f9fafb;
}

.recipients-table tbody tr.recipient-sent {
    background: #f0fdf4;
}

.recipients-table tbody tr.recipient-failed {
    background: #fef2f2;
}

.recipients-table tbody tr.recipient-pending {
    background: #fffbeb;
}

.recipients-table tbody tr.recipient-blocked {
    background: #f9fafb;
}

.status-badge {
    padding: 6px 12px;
    border-radius: 12px;
    font-size: 0.8em;
    font-weight: 600;
    display: inline-block;
}

.status-badge.recipient-sent {
    background: #d1fae5;
    color: #065f46;
}

.status-badge.recipient-failed {
    background: #fee2e2;
    color: #991b1b;
}

.status-badge.recipient-pending {
    background: #fef3c7;
    color: #92400e;
}

.status-badge.recipient-blocked {
    background: #f3f4f6;
    color: #374151;
}

.phone-number-cell {
    font-family: monospace;
    font-weight: 600;
    color: #333;
}

.error-text {
    color: #dc2626;
    font-size: 0.9em;
}

.no-results {
    text-align: center;
    padding: 40px;
    color: #888;
    font-style: italic;
}

.recipients-summary {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 2px solid #e5e7eb;
}

@media (max-width: 768px) {
    .container {
        padding: 20px;
    }

    .campaign-form {
        grid-template-columns: 1fr;
    }

    .form-row {
        flex-direction: column;
    }

    .actions-section {
        flex-direction: column;
    }

    .section-header {
        flex-direction: column;
        gap: 15px;
        align-items: stretch;
    }

    .campaign-view-header {
        flex-direction: column;
        gap: 15px;
    }

    .campaign-info-grid {
        grid-template-columns: 1fr;
    }
    
    .modal-content {
        max-height: 95vh;
        margin: 10px;
    }
    
    .modal-actions {
        flex-direction: column;
    }
    
    .search-input,
    .filter-select {
        width: 100%;
    }
    
    .recipients-stats {
        flex-direction: column;
    }
    
    .recipients-table-container {
        max-height: 400px;
    }
    
    .recipients-table {
        font-size: 0.85em;
    }
    
    .recipients-table th,
    .recipients-table td {
        padding: 8px;
    }
}