/* OLT Dashboard Styles */
.olt-container {
    padding: 24px;
    height: 100%;
    overflow-y: auto;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
}

.olt-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 28px;
}

.olt-header h2 {
    font-size: 1.6rem;
    font-weight: 700;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.olt-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
    margin-bottom: 30px;
}

.olt-card {
    background: var(--card-bg);
    border-radius: 14px;
    padding: 24px;
    box-shadow: 0 4px 18px rgba(0,0,0,0.08);
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 16px;
    position: relative;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.olt-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
}

.olt-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.olt-title-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.olt-name {
    font-weight: 600;
    font-size: 1.15rem;
    color: var(--text-primary);
}

.olt-model {
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
}

.olt-status-badge {
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 5px;
}

.status-online {
    background: rgba(34, 197, 94, 0.15);
    color: #22c55e;
}

.status-offline {
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
}

.olt-details-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    font-size: 0.9rem;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    padding: 14px 0;
}

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

.olt-detail-label {
    color: var(--text-secondary);
    font-weight: 500;
}

.olt-detail-value {
    font-weight: 600;
    color: var(--text-primary);
}

.olt-actions {
    display: flex;
    gap: 10px;
    margin-top: auto;
}

.btn-olt-action {
    flex: 1;
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: all 0.2s ease;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.btn-olt-action:hover {
    background: var(--border-color);
}

.btn-olt-action.primary {
    background: #4a6cf7;
    color: #ffffff;
    border: none;
}

.btn-olt-action.primary:hover {
    background: #3855d4;
}

.btn-olt-action.danger {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.btn-olt-action.danger:hover {
    background: rgba(239, 68, 68, 0.2);
}

/* Modal Styles */
.olt-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.olt-modal.show {
    display: flex;
    opacity: 1;
}

.olt-modal-content {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    width: 90%;
    max-width: 500px;
    padding: 28px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    position: relative;
    transform: scale(0.9);
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.olt-modal.show .olt-modal-content {
    transform: scale(1);
}

.olt-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.olt-modal-header h3 {
    margin: 0;
    font-size: 1.3rem;
    font-weight: 700;
}

.olt-modal-close {
    cursor: pointer;
    color: var(--text-secondary);
    transition: color 0.2s;
}

.olt-modal-close:hover {
    color: var(--text-primary);
}

.olt-form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.olt-form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.olt-form-input, .olt-form-select {
    padding: 10px 14px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: border-color 0.2s;
}

.olt-form-input:focus, .olt-form-select:focus {
    border-color: #4a6cf7;
    outline: none;
}

.olt-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.olt-modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    margin-top: 10px;
}

/* Spinner */
.spin {
    animation: spin 1s linear infinite;
}

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