.billing-dashboard {
    padding: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.billing-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.subscription-badge {
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.9rem;
}

.subscription-badge.active {
    background: #10b981;
    color: white;
}

.subscription-badge.inactive {
    background: #ef4444;
    color: white;
}

.billing-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.billing-card {
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.billing-card h3 {
    margin: 0 0 1rem 0;
    color: #1f2937;
    font-size: 1.1rem;
}

.usage-details {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.usage-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.usage-label {
    color: #6b7280;
    font-size: 0.9rem;
}

.usage-value {
    font-weight: 600;
    font-size: 1.1rem;
    color: #1f2937;
}

.usage-progress {
    width: 100%;
    height: 8px;
    background: #e5e7eb;
    border-radius: 4px;
    overflow: hidden;
}

.usage-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, #3b82f6, #2563eb);
    transition: width 0.3s ease;
}

.usage-info {
    font-size: 0.8rem;
    color: #6b7280;
}

.estimated-cost {
    font-size: 2rem;
    font-weight: 700;
    color: #1f2937;
    margin: 1rem 0;
}

.cost-breakdown {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid #e5e7eb;
}

.cost-item {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
}

.pricing-details {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.pricing-item {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px solid #f3f4f6;
}

.pricing-item:last-child {
    border-bottom: none;
}

.invoices-section {
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.invoices-table {
    margin-top: 1rem;
}

.invoices-table table {
    width: 100%;
    border-collapse: collapse;
}

.invoices-table th,
.invoices-table td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid #e5e7eb;
}

.invoices-table th {
    background: #f9fafb;
    font-weight: 600;
    color: #374151;
}

.invoice-status {
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
}

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

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

.invoice-status.draft {
    background: #e5e7eb;
    color: #374151;
}

.no-invoices {
    text-align: center;
    padding: 2rem;
    color: #6b7280;
}

.payment-methods-section {
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    padding: 1.5rem;
}

.btn-primary {
    background: #2563eb;
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

.btn-primary:hover {
    background: #1d4ed8;
}

.btn-secondary {
    background: #6b7280;
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

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

.btn-link {
    background: none;
    border: none;
    color: #2563eb;
    cursor: pointer;
    text-decoration: underline;
}

.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal-content {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    max-width: 800px;
    max-height: 90vh;
    overflow-y: auto;
}

.invoice-total {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 2px solid #1f2937;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    font-size: 1.1rem;
}

.admin-billing {
    padding: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.stats-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.stat-card h3 {
    margin: 0 0 0.5rem 0;
    color: #6b7280;
    font-size: 0.9rem;
    font-weight: 500;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: #1f2937;
}

.pricing-config-section {
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.pricing-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

.pricing-table th,
.pricing-table td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid #e5e7eb;
}

.pricing-table th {
    background: #f9fafb;
    font-weight: 600;
    color: #374151;
}

.btn-edit {
    background: #3b82f6;
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.875rem;
}

.btn-edit:hover {
    background: #2563eb;
}

.invoice-generation-section {
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    padding: 1.5rem;
}

.invoice-gen-form {
    display: flex;
    gap: 1rem;
    align-items: end;
    margin-top: 1rem;
}

.invoice-gen-form label {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    font-weight: 500;
    color: #374151;
}

.invoice-gen-form input {
    padding: 0.5rem;
    border: 1px solid #e5e7eb;
    border-radius: 4px;
    font-size: 1rem;
}